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Chapter 01 d. Internal organs of organisms Correct Ans. D Choose the most appropriate answer. 1. They are the remains or impressions of living organisms preserved in rocks: a. b. c. d. Tissues Fossils Calcium Statutes 6. Pollution of our surroundings in the recent past has resulted because of: a. b. c. d. Biological Research Rapid industrialization Information Technology Forestation Correct Ans. b Correct Ans. b 7. The statement made by a scientist, which may be the possible answer to the problem. 2. It is the study of fossils and their relationship to the evolution of life on earth: a. b. c. d. embryology taxonomy physiology None of these Correct Ans. d 3. Man has been able to produce food in greater quantities due to advancement in: a. b. c. d. Mathematics Space science Physics Biology Correct Ans. d 4. Taxonomy is the study of: a. Functions of different parts of organisms b. Naming and classification of organisms c. Hereditary characters d. Structure and functions of cells Correct Ans. b 5. Anatomy deals with the study of: a. Relationship between organisms and their environment b. Development of an organism from a fertilized egg or zygote c. Structure and function of molecular components of the cell a. b. c. d. Deduction Theory Hypothesis Law Correct Ans. c 8. Which of the following is involved in the spread of malaria ? a. b. c. d. Bacterium Bad Air Virus Mosquito Correct Ans. d 9. People who slept outside in open spaces suffered from malaria more frequently than those who slept indoors, indicates that: a. Bad air is involved in the spread of Malaria b. Bacteria are involved in the spread of Malaria c. Mosquitoes are involved in the spread of Malaria d. Birds are involved in the spread of Malaria Correct Ans. c 10. The entry of Plasmodium into the blood of Man was discovered by: a. A. F. A. King b. Laveran c. Ronald Ross d. Grassi Correct Ans. (d) Correct Ans. b 11. In case of typical attack, malarial patient feels: a. b. c. d. Very cold and chilly Very Warm Sleepy Normal Correct Ans. a 12. Sexual reproduction of the malaria parasite occurs in : a. b. c. d. Man Mosquito Red blood cells Both a and b Correct Ans. b 13. Inside human body Plasmodium attacks: a. b. c. d. Nerve cells Red blood cells White blood cells Kidney cells Correct Ans. b 14. In the life cycle of Plasmodium fusion of gametes and formation of gametes and formation of zygote take place in: a. b. c. d. Body of Man Body of Mosquito Air Water Correct Ans. b 15. The part of Cinchona plant found suitable for the treatment of Malaria was: a. b. c. d. Seeds Fruits Leaves Bark 16. When sporozoites of Plasmodium pass from the blood to liver cells, they multiply for: a. b. c. d. 8 days 10 days 12 days 14 days Correct Ans. (c) 17. Man can now be saved from fatal diseases by using: a. b. c. d. Vaccine Bacteria Antibiotics Plasmodium Correct Ans. (a) 18. The word malaria has been derived from the combination of two words which are: a. Latin b. Italian c. Greek d. Arabic Correct Ans. (b) 19. Which one of the following best describes the scientific method? a. Doing experiments in laboratories b. Collecting all known facts on a subject c. Developing and testing hypothesis d. Using sensitive electronic measuring instruments Correct Ans. (c) 20. Which of the following stages of Plasmodium is diploid? a. Merozoite b. Sporozoite c. Zygote (ookinete) d. Gametocyte Correct Ans. (c) 21. Which of the following stages of Plasmodium is spindle shaped? a. b. c. d. sporozoite Merzoite Gametocyte Ookinete Correct Ans. (a) 22. Which of the following forms of Plasmodium is present in the saliva of mosquito? a. b. c. d. Merozoites Sporozoites Gametocytes Zygote Correct Ans. (b) 23. Which of these attack red blood cells? a. b. c. d. ookinetes Gametocytes Sporozoites Merozoites Correct Ans. (d) 24. Which of the following is not true of malaria patient? a. b. c. d. feels cold and chilly feels headache feels appetite temperature rises up to 106 oF Correct Ans. (c) Chapter 2 1. Nucleus in plant cells was discovered by: a. b. c. d. Dutrochet Robert Brown Robert Hooke Schleiden Correct Ans. (c) 2. The pushing out of materials by the cell against the concentration gradient is: a. b. c. d. Low transport Passive transport Active transport Moderate transport 6. They provide support to the plant body: a. b. c. d. Phloem cells Parenchyma cells Sclerenchyma cells Chlorechyma cells Correct Ans. (c) 7. Parenchyma cells are concerned with: a. b. c. d. Secretion Support Carry Oxygen Storage of surplus food Correct Ans. (d) Correct Ans. (c) 3. Robert Hooke examined thin slices of cork made up of the bark of: a. b. c. d. Pine Sheesham Oak Mulberry 8. Substances cross the cell membrane more easily when they are: a. b. c. d. Water soluble Protein soluble Alcohol soluble Lipid soluble Correct Ans. (d) Correct Ans. (c) 4. In thin slices of cork Robert Hooke noticed. a. b. c. d. Tiny creatures Small holes Small chambers Bacteria 9. Many substances that are not needed constantly enter the cell by: a. b. c. d. Passive transport Active transport Negative transport Fast transport Correct Ans. (b) Correct Ans. (c) 5. Henri Dutrochet confirmed. a. Robert Brown observations on Nucleus b. Robert Hooke’s observations on Cells c. Schwann observations of cells d. Schleiden observations on cells Correct Ans. (b) 10. It is a true cell wall in a newly growing cell: a. b. c. d. Middle lamella Secondary wall Primary wall Plasma membrane Correct Ans. (c) a. b. c. d. Four forms Three forms Two forms One form 11. It is the first to be formed: Correct Ans. (b) a. b. c. d. Primary wall Secondary wall Tertiary wall Middle lamella 17. The 60S and 40S subunits on attachment with each other form: a. b. c. d. Correct Ans. (a) 12. It is a site of certain metabolic pathways: a. b. c. d. Cell wall Plasma membrane Cytoplasm A&B 100S particle 90S particle 80S particle 70S particle Correct Ans. (c) 18. Proteins are synthesized in the: a. b. c. d. Correct Ans. (c) 13. The water percentage of cytosol in the cytoplasm is: Ribosomes Mitochondria Nucleus Nucleolus Correct Ans. (a) a. b. c. d. 50 60 70 90 19. They are absent in higher plants: a. b. c. d. Correct Ans. (d) Plastids Golgi Apparatus Cell Membranes Centrioles 14. New Ribosomes are assembled in the : Correct Ans. D a. b. c. d. Nucleolus Mitochondria Endoplasmic Reticulum Golgi Apparatus 20. Amino acids (proteins) are present in the cell walls of: a. b. c. d. Correct Ans. (a) 15. Smooth Endoplasmic Reticulum helps to: a. b. c. d. Synthesize proteins Detoxify the harmful drugs Prepare food Decompose proteins Gymnosperms Bacteria Mosses Angiosperms Correct Ans. B 21. Which of the following organelles is present in both prokaryotic and eukaryotic cells? Correct Ans. (b) 16. Morphologically Endoplasmic Reticulum exists in: a. b. c. d. Chloroplast Ribosomes Mitochondria Golgi Complex a. b. c. d. Correct Ans. B None One Two Three Correct Ans. C 22. Which of the following features is not shared by prokaryotic and eukaryotic cells? a. b. c. d. 27. Ribosome Cytoplasm Cell membrane Nuclear membrane a. b. c. d. Correct Ans. D 23. Which of the following cell organelles is present in both plant and animal cells? a. b. c. d. Which of the following molecules move regularly from the nucleus to the cytoplasm? Glycogen DNA RNA Cholesterol Correct Ans. C 28. Chlorophyll Plasma membrane Plastids Cell wall Which of the following cellular organelles extracts energy from glucose and forms ATP molecules: a. b. c. d. Lysosome Chloroplast Mitochondrion Chromoplast Correct Ans. B Correct Ans. C 24. Which of the following pair is incorrect? 29. a. b. c. d. Ribosome ______________ Protein synthesis Chloroplast _____________ Photosynthesis Mitochondria ____________ Fermentation Plasma membrane___________ Osmosis Correct Ans. C a. Aerobic cellular respiration b. Digesting part of the cell c. Synthesizing protein d. Synthesizing lipids Correct Ans. B 30. Plasma membrane Nuclear envelope Ribosome Cell wall Mitochondria are found: a. b. c. d. 25. Which of the structures is not found in a prokaryotic cell? a. b. c. d. Lysosomes contain enzymes capable of: in all cells only in plant cells only in animal cells in all eukaryotic cells Correct Ans. D 31. Green pigments capable of capturing the energy of sunlight are located within the: Correct Ans. B 26. How may membranes comprise the nuclear envelop? a. b. c. d. Golgi complex Endoplasmic complex Chloroplast Cell wall Correct Ans. C 36. In the fluid mosaic membrane model the lipid bilayer: a. b. c. d. 32. The two types of cellular organelles that transform energy are: a. b. c. d. Chromoplasts and leucoplast Mitochondria and chloroplast Mitochondria and Chromoplasts Chloroplasts and leucoplasts is sandwiched between two protein layers has protein embedded in it lies on top of a single protein layer is covered by a single protein layer correct ans. B 37. An input of energy is required for which one of the following? a. b. c. d. diffusion osmosis passive transport active transport Correct Ans. B Correct ans. D 33. The plastids that give fruits and flowers their orange and yellow colours are the: a. b. c. d. 38. Which of the following cytoplamic organelles is not bounded by membrane: leucoplasts chloroplasts Chromoplasts Proplasts a. b. c. d. Mitochodrion Lysosome Ribosome Plastids Correct Ans. C Correct Ans. C 34. The main function of the plasma membrane is to: a. b. c. d. 39. synthesize ribosomes Control what goes into and out of the cell Allow all kinds of substances to enter the cell Move the cell from place to place Which of the following bodies is not bounded by a double membrane structure? a. b. c. d. mitochondrion chloroplast Lysosome Nucleus Correct Ans. C Correct ans. B 40. 35. Plant cells are connected by channels through their walls called: a. b. c. d. Plasmodesmata desmosomes middle lamella non of these Correct ans. A Which of the following cell organelles cause a decrease in the concentration of organic material in the cell? a. b. c. d. Golgi bodies Chloroplast Ribosome Mitochondrion Correct Ans. D 41. Which of the following cell organelles is not involved in the sequence of events from synthesis of an enzyme to its excretion? d. Correct Ans. D 46. a. b. c. d. Ribosome Lysosome Golgi apparatus Endoplasmic reticulum Correct Ans. B 42. A lipid molecule in the plasma membrane has a head and two tails. The tails are found: a. b. c. d. At the surfaces of the membrane In the interior of the membrane Both at the surfaces and interior of the membrane None of these Chloroplast Active transport: a. b. requires a protein carrier moves a molecule against its concentration gradient c. requires a supply of energy d. all of these Correct Ans. d 47. The nucleolus is largely composed of rRNA and a. b. c. d. lipid Glucose Wax Protein Correct Ans. D Correct Ans. B 43. Which of the following organelles and their contents are incorrectly paired: a. b. c. d. Ribosome – RNA Mitochondrion – Chlorophyll Lysosome – digestive enzymes Nucleus – DNA Correct Ans. B 44. Which of the following properties is incorrect for both mitochondria and chloroplast: a. b. c. d. Both have an electron transport system ATP synthesis Both are present in all cells Both are double membrane structures Correct Ans. C 45. Which of the following cell organelles release oxygen: a. b. c. ribosome Golgi complex Mitochondria CHAPTER 3 Choose the most appropriate answer: 6. 1. It is the most abundant carbohydrate in nature: a. b. c. d. a. b. c. d. Sucrose Maltose Starch Cellulose Correct Ans. D 7. 3. Which of the following is polysaccharide: a. b. c. d. Glucose Glycogen Maltose Lactose Protoplasm of plant cell is: a. b. c. sucrose lactose maltose glucose Correct Ans. D Lipid Wax Protein Carbohydrate Correct Ans. C 2. The most common monomer of carbohydrates is a molecule of : a. b. c. d. Silk is chemically: d. Less viscous than animal cell More viscous than animal cell Equal in viscosity to the animal cell None of these Correct Ans. A 8. In living cell, protein is: a. b. c. d. The most abundant compound The least abundant compound The second most abundant compound The third most abundant compound Correct Ans. C Correct Ans. B 4. On hydrolysis triglyceride yields a. b. c. d. a glycerol and three fatty acids a fatty acid and three glycerol a glucose and three fatty acids a maltose and two fatty acids Correct Ans. A 5. Cholesterol is: a. b. c. d. diglyceride saturated fatty acids unsaturated fatty acids steroid 9. They catalyze biological reactions in the form of enzymes: a. b. c. d. Glucose Sucrose Proteins Terpenoids Correct Ans. C 10. Amino Acids in Insulin molecules are arranged in: a. b. c. d. One polypeptide chain Two Polypeptide chains Three polypeptide chains Four polypeptide chains correct Ans. D Correct Ans. B a. b. c. d. 11. Four polypeptide chains take part in the formation of: a. b. c. d. 12. Cellulose Silk Hemoglobin DNA Correct Ans. C 17. They are stored in plant and animal cells: Correct Ans. C a. b. c. d. Each beta chain of Hemoglobin contains: Correct Ans. A a. b. c. d. 126 Amino Acids 156 Amino Acids 136 Amino Acids 146 Amino acids Starch and Glycogen Glucose and sucrose Starch and cellulose Fructose and glucose 18. It is the most abundant carbohydrate in nature: a. b. c. d. Correct Ans. D 13. Glucose and Galactose Glucose and Maltose Clucose and Fructose Fructose and Galactose Glucose Fructose Cellulose Starch Amino Acids are linked together by: Correct Ans. C a. b. c. d. Hydrogen Bonds Ionic Bonds Peptide bonds None of these 19. a. b. c. d. Correct Ans. C 14. The manner in which different peptide chains are connected determines the: a. b. c. d. Size of protein molecule Shape of protein molecule Color of protein molecule Both A & B 20. Which of the following is true of acylglycerols a. Hexoses Trioses Pentoses Tetroses Correct Ans. B 16. b. c. d. Glyceraldehyde is one of the: a. b. c. d. Sucrose is formed of: Glucose Galactose Starch Cellulose Correct Ans. D Correct Ans. B 15. Cotton fibers are made up of: composed of glycerol and fatty acids easily soluble in water act as enzymes are hydrolyzed into glucose and fructose Correct Ans. A 21. Terpenoides are: a. b. c. d. Sucrose Glucose Waxes Fructose b. Correct Ans. C c. d. 70% organic and 30% inorganic compounds 60% organic and 40% inorganic compounds 50% organic and 50% inorganic compounds Correct Ans. A 22. Nucleic acids are formed of units called: a. b. c. d. Amino acids Nucleotides Citric acids Isoprenoid units 27. Which of the following groups from the nucleotides: a. Correct Ans. B b. 23. Typically a nucleotide is composed of: c. a. b. c. d. three components four components five components two components d. Sugar __________ Nitrogenous Base ___________ Vitamin Sugar ___________ Vitamin ______ Phosphoric acid Sugar ___________ Nitrogenous base ________ Phosphoric acid Phosphoric acid _________ Nitrogenous base _______ vitamin Correct Ans. C Correct Ans. A 24. As compared to somatic cells the amount of DNA in germ line cells (sperms and ova) is almost: a. b. c. d. ribose glucose cellulose fructose Correct ans. C 29. H2O Glucose + Fructose _________ Sucrose + The function of tRNA is: a. b. c. d. To carry genetic information’s from DNA to ribosomes To synthesize protein Pick up amino acids and transfer them to ribosomes Constitute ribosomes Correct Ans. C 26. a. b. c. d. Equal Double One third Half Correct Ans. D 25. 28. Which of the following is hydrolyzed into simple unit: In protoplasm dry matter consists about: a. 90% organic and 10% inorganic compounds a. b. c. d. hydrolysis condensation (dehydration) denaturation incorporation synthesis Correct Ans. B 30. The unique properties of each amino acid are determined by its particular a. b. c. d. R group Amino group Kinds of peptide bonds Number of bonds to other amino acids Correct Ans. A 31. DNA is unique among the organic molecules of protoplasm in that it can: a. b. c. d. form multipolymer complexes come apart and re-form withstand very high temperature replicate itself 36. Which of the following forms part of coenzyme: a. b. c. d. Correct Ans. D 32. Nucleotides of DNA molecule varies due to their: a. b. c. d. glycerol attachments nitrogenous bases sugars phosphates Correct Ans. C 37. by: An enzyme promotes a chemical reaction a. b. c. d. correct ans. B 33. Diastase Lipase Vitamin Lysine Lowering the energy of activation Causing the release of heat Increasing molecular motion Both A & B Adenine is a: Correct Ans. A a. b. c. d. single ring compound double ring compound Triple ring compound Multi-ring compound 38. Which of the following releases greatest amount of energy: The function of an enzyme is to: a. b. c. d. a. Correct ans. B Correct ans. B 34. b. c. 39. Which of the following is an example of carbohydrate: Correct ans. B a. b. c. d. The enzyme sucrase act on: Correct ans. C d. 35. cause chemical reactions that would not otherwise take place change the rate of chemical reactions. Control the equilibrium point of reaction Change the direction of reaction Carbohydrates Lipid Water Nucleic acid a. b. c. d. sucrose only sucrose and starch any disaccharide glycogen 40. enzymes waxes ribose insulin DNA molecule: a. b. c. Correct Ans. A d. has a sugar-phosphate backbone is single stranded has a certain sequence of amino acids has a uracil base in its nucleotide Correct ans. A 41. a. Thymine b. Cytosine c. Adenine d. Uracil Correct Ans. (a) The functional group COOH is: a. b. c. d. Acidic Basic Never ionized All of these 47. The linkages between two monosaccharides is called: a. b. c. d. Correct Ans. (A) 42. Which of these is nondigestible by man: a. b. c. d. cellulose maltose starch glycogen Correct Ans. (b) 48. is: Correct Ans. (a) 43. c. d. contains hydrogen contains double bonds between carbon atoms contains an acidic group contains no double bonds Distance between twist of DNA molecule a. b. c. d. A fatty acid is unsaturated if it: a. b. Ester Glucoside Peptide Nucleotide 14 A 24 A 34 A 44 A Correct Ans. (c) 49. Which of the following is a complete monomeric unit of DNA: Correct ans. (b) 44. a. b. c. d. Glucose in solution forms a ring called: a. b. c. d. glucofuranose ribofuranose glucopyranose ribopyranose pentose sugar phosphoric acid nucleotide adenine Correct Ans. (c) 50. The formula of glyceraldehydes is: Correct Ans. (c) a. b. c. d. 45. Which of the following is not soluble in water: a. b. c. d. Sucrose Ribose Glycerol Glycogen Correct Ans. (d) 46. Which of the following is absent in the nucleotides of RNA: C3 H5 O3 C3 H6 O3 C3 H4 O3 C3 H6 O4 Correct Ans. (b) 51. The number of Carbon in oleic acid is: a. b. c. d. 16 18 20 22 b. c. d. Correct Ans. (b) Carboxyl group R-group Hydrogen Correct Ans. (c) 52. Vitamin A is a: a. b. c. d. protein wax terpenoid carbohydrate 57. Which of the following is resistant to degradation ? a. b. c. d. Correct Ans. (c) 53. Which of the following is not true of palmatic acid: Correct Ans. (a) 58. a. b. c. d. wax sucrose starch triglyceride saturated unsaturated unbranched 16 carbons Beta Carotene is: a. b. c. d. phospholipids terpenoid polysaccharide wax Correct ans. (b) Correct Ans. (b) 54. Which of these makes cellulose nondigestable: a. b. c. d. 59. Which of the following is a richer source of chemical energy? a polymer of glucose subunits a fibrous protein the linkage between the glucose molecules the peptide linkage a. b. c. d. Correct Ans. (c) Correct Ans. (c) 60. 55. glucose glycogen lipids proteins Cholesterol is: Which of these is not a lipid: a. b. c. d. a. b. c. d. steroid wax polysaccharide terpenoids Diglyceride Saturated fat Unsaturated fat Steroid Correct Ans. (d) Correct Ans. (c) 56. Which of the following is variable in an amino acid? a. Amino group 61. by: The structure of a protein can be denatured a. the polar bond of water molecule b. c. d. heat the presence of oxygen gas the presence of carbon dioxide gas Correct Ans. (b) CHAPTER 4 Correct ans. (b) Choose the most appropriate answer: 6. Which of these chromosomes have a very short arm? 1. Which of these established that the units of inheritance are located on the chromosome? a. b. c. d. Sutton Waldeyer Watson and Crick Strickberger Correct Ans. (a) 2. Which of the following determines the shape of the chromosomes? a. b. c. d. chromatids chromatin material shape of the centromeres position of the centromere Correct ans. (d) 3. The morphology of the chromosome is best studied during a. b. c. d. interphase prophase telophase metaphase Correct ans. (d) 4. Telocentric chromosomes have centromere located at a. b. c. d. one end both ends center one side Correct Ans. (a) 5. Which of these chromosomes have centromere located at one end? a. b. c. d. acrocentric Telocentric Metacentric Submetacentric a. b. c. d. Telocentric Metacentric Acrocentric Submetacentric Correct Ans. (c) 7. Which of the following chromosomes have arms of unequal length? a. b. c. d. Telocentric Metacentric Acrocentric Submetacentric Correct Ans. (d) 8. Which of the following types of chromosomes have arms of equal length? a. b. c. d. Metacentric Submetacentric Acrocentric Telocentric Correct Ans. (a) 9. The total chromosome complement of a cell is called a. b. c. d. Karyosome Karyokinesis Karyogamy Karyotype Correct Ans. (d) 10. DNA and histones together form a structure called a. b. c. d. Centromeres Nucleosome Nucleoplasm Centriole Correct Ans. (b) Correct Ans. (b) 11. Which of the following number of molecules of various types of histones form Nucleosome? a. b. c. d. 16. Which of the following is part of mitosis in cells of seed plants? 8 10 16 20 a. b. c. d. Centrioles Asters Spindles Cleavage furrows Correct Ans. (a) Correct Ans. (c) 12. Which of these studied mitosis in plant cells? a. b. c. d. 17. In plants, meiosis occurs during the formation of: Strassburger Flemming Sutton Waldeyer a. b. c. d. gametes seeds spores zygote Correct Ans. (a) Correct Ans. (c) 13. Which of these studied mitosis in animal cells? a. b. c. d. Strassburger Flemming Sutton Waldeyer Correct Ans. (b) 14. During mitosis the process of cytoplasmic division is called a. b. c. d. Cytomeiosis Cytoplasmosis Cytokinesis Cytomitosis Correct Ans. (c) 15. DNA replication occurs in which phase of the cell cycle? a. b. c. d. prophase interphase metaphase Telophase 18. The prophase I of Meiosis completes in a. b. c. d. Two stages Three stages Four stages Five stages Correct Ans. (d) 19. The number of chromosomes in a fertilized egg is: a. b. c. d. half as many as in unfertilized egg the same as in sperm twice the number as in a sperm twice the number as in somatic cell Correct Ans. (d) 20. All the somatic cells of a diploid organism originate from a single cell called a. b. c. d. gamete autosome spore zygote Correct Ans. (d) c. d. pachytene diplotene Correct Ans. (c) 21. If at the end of meiosis, each of the four daughter cells has four chromosomes, how many chromosomes were in the mother cell? a. b. c. d. 2 4 8 16 26. During what phase of meiosis tetrads are form? a. b. c. d. prophase I prophase II metaphase I metaphase II Correct Ans. (a) Correct ans. (c) 22. At what phase of meiosis are homologous chromosomes separated? a. b. c. d. Prophase I Anaphase I Prophase II Anaphase II 27. During what phase of meiosis the nuclear envelop breaks down? a. b. c. d. prophase I metaphase anaphase I telophase I Correct Ans. (b) Correct Ans. (b) 23. The process by which homologous chromosomes being to pair with each other is called. a. b. c. d. chiasma interkinesis crossing over synapsis Correct Ans. (d) 24. 25. The points at which crossing over has taken place between homologous chromosomes are called a. Chiasmata b. Centromeres c. Synapsis d. Centrosomes Correct Ans. (a) Crossing over occurs during a. b. leptotene zygotene CHAPTER 5 Choose the most appropriate answer: 6. 1. Which of the following is caused by bacteria? a. b. c. d. a. b. c. d. Tetanus Measles Malaria Ringworm Virus Fungi Bacteria Both A & B Correct Ans. (c) Correct Ans. (a) 7. 2. Food can be preserved when pH of the medium is: a. b. c. d. They fix atmospheric Nitrogen: In lytic life cycle bacterial cell: a. b. c. d. acidic basic neutral none of these Continues its normal life processes Bursts and dies Starts division Forms endospore Correct Ans. (b) 8. Amino acids are present in the cell wall of: Correct Ans. (a) 3. They play a role in the making of dairy products: a. b. c. d. Viruses Bacteria Algae Plasmodium a. b. c. d. Bryophytes Fungi Bacteria Gymnosperms Correct ans. (c) 9. Inside photosynthetic bacteria, Chlorophyll is: Correct ans. (b) 4. Viruses belong to the group: a. b. c. d. Prokaryotes Eukaryotes Monera None of these 10. In blue-green algae nitrogen fixation occurs in specialized cells called: Common cold is caused by: a. b. c. d. Bacteria Viruses Fungi Plasmodium Localized in Chloroplast Present inside Mitochondria Dispersed in the cytoplasm Absent Correct Ans. (c) Correct Ans. (d) 5. a. b. c. d. Correct Ans. (b) a. b. c. d. Harmogonia Akinetes Heterocysts Zygospores Correct Ans. (c) c. d. 11. Under ideal condition a bacterial cell divides about every 20 minutes. It takes 200 minutes to fill a culture tube. How much time will it take to fill a test tube of double size. a. b. c. d. polysaccharide sucrose (c) Correct ans. 16. Avery and his colleagues confirmed that the transforming material is that: a. b. c. d. 400 minutes 220 minutes 240 minutes 300 minutes RNA DNA Protein Lipid Correct Ans. (b) Correct Ans. (b) 17. 12. A virus that can reproduce without killing its host is called: a. b. c. d. 13. a. b. c. d. a. b. c. d. lytic virus retroactive virus temprate virus virion Correct Ans. (c) When a bacteriophage, in its lytic phase carries some of the bacterium’s partially digested chromosome with it to another host cell, the process is called: transformation transduction transportation conjugation Which of these is found in viruses: cell membrane ribosome nucleic acid tail and head Correct Ans. (c) 18. Which of the following is a true statement: a. b. c. d. viruses carry with them their own ribosome new viral ribosomes form after viral DNA enters the cell viruses use the host ribosomes for protein synthesis none of these Correct Ans. (c) Correct Ans. (b) 14. Which of the following is not true of organisms in the kingdom Monera ? a. b. c. d. they reproduce by mitosis no cellulose cell wall no nuclear envelop have prokaryotic cellular organization Correct Ans. (a) 15. 19. Which of the following is an example of a viral disease: a. b. c. d. Tuberculosis AIDS Anthrax Tetanus Correct Ans. (b) 20. The elimination of bacteria from a medium is called: Slimy capsule of bacteria is made by: a. b. lipid protein a. b. c. inoculation sterilization staining d. fermentation Correct Ans. (b) 26. Which of the following character of living things is found in vrisues? a. b. c. d. 21. by: respiration genetic recombination photosynthesis all of these Bacteria survive unfavourable condition Correct Ans. (b) a. b. c. d. endospore fission conjugation moving 27. Which of the following is present in the cytoplasm of prokaryotes? a. b. c. d. Correct Ans. (a) 22. Which of the following is nonliving character of virus? Mitochondria Ribosome Endoplasmic reticulum All of these Correct Ans. (b) a. b. c. d. genetic recombination mutation reproduction crystallization Correct Ans. (d) 23. Which of the following is not a viral disease? a. small pox b. tetanus c. mumps d. measles 28. Bacterial are haploid organisms because the number of chromosomes in their cells is: a. b. c. d. 2 4 8 None of these Correct Ans. (d) 29. Which of the following is present in the cytoplasm of bacterial cell? Correct Ans. (b) 24. Polio virus is: a. b. c. d. rod-shaped tadpole shaped spiral spherical Correct Ans. (d) 25. Which of the following is a viral disease? a. b. c. d. Malaria Crown gall Mumps Pneumonia Correct Ans. (c) a. b. c. d. Glycogen Protein Fats Starch Correct Ans. (d) 30. Cell membrane of bacterial cell invaginates producing structure called: a. b. c. d. Polysome Endosome Mesosome Centrosome Correct Ans. (c) 31. The chlorophyll of photosynthetic bacterial is localized in: a. b. c. d. 36. In blue-green algae photosynthesis takes place in: nucleus chloroplast mitochondria none of these a. b. c. d. Chloroplast Chromoplast Extensive system of membranes located at the router edge Mitochondria Correct Ans. (d) Correct Ans. (c) 32. For the preparation of food, chemosynthetic bacteria use: a. b. c. d. 37. Which of the following diseases of plants is caused by bacterial? solar energy chemical energy nuclear energy thermal energy a. b. c. d. Rust Crowngall Smut Powdery mildew Correct Ans. (b) Correct Ans. (b) 33. Curing of tobacco involves: a. b. c. d. Fungi Algae Cyanobacteria Bacteria 38. Which of the following is cultivated in rice fields for the increase of soil fertility? a. b. c. d. Correct Ans. (d) 34. The conversion of atmospheric nitrogen into nitrates by bacteria is called: Correct Ans. (a) 39. a. b. c. d. Anabaena Chlamydomonas Rhizobium Rhizopus Nitrification Nitrogen fixation Denitrification Bacteria Unicellular blue-green algae reproduce by: a. b. c. d. fragmentation conjugation cell division hormogonia Correct Ans. (b) Correct Ans. (c) 35. In the retting of flax and hempcellulose fibers are freed by bacteria which decompose: a. b. c. d. cellulose pectin starch glycogen 40. Which of the following is enlarged resting cell with thickened walls, large food reserve and DNA? a. b. c. d. trichome hormogonium ovum akinete Correct Ans. (b) Correct Ans. (d) 41. Which of the following is not true of Nostoc? a. b. c. d. Autotroph Filamentous Unicellular Heterocyst Correct Ans. (c) 42. by: Nutrients are returned to the environment a. b. c. d. producers decomposers herbivores carnovores Correct Ans. (b) CHAPTER 6 Choose the most appropriate answer: 1. In majority of the Fungi the chief component of the cell wall is: 43. Which of the following is caused by bacteria? a. b. c. d. a. b. c. d. chicken pox leprosy ring worm AIDS Cellulose Lignin Protein Chitin Correct Ans. (d) 2. Cellulose is absent in the cell wall of most: Correct Ans. (b) a. b. c. d. Fungi Algae Pteredophytes Bryophytes Correct Ans. (a) 3. The hyphae of Rhizopus are : a. b. c. d. Non-septate Septate Uninucleate Non of these Correct Ans. (a) 4. Rhizopus is: a. b. c. d. Parasite Sporophyte Tracheophyte Saprophyte Correct Ans. (a) 10. Correct Ans. (d) 5. The spores of Rhizopus are: a. b. c. d. Motile Non-motile Flagellate Naked (b) a. b. c. d. Correct Ans. 7. Amanita Rhizopus Penecillium Neurospora 11. Mycorrhiza is association of: a. Root-fungus b. Stem-fungus c. Alga-fungus d. Bacteria-fungus Correct Ans. (a) 12. Mycorrhizal association is: Correct Ans. (c) a. b. c. d. Smut is caused by: Correct Ans. (b) a. b. c. d. Bacteria Virus Plasmodium Fungi Correct Ans. (d) 8. Which of the following is a human disease caused by Fungi? a. b. c. d. 9. Isogamy Anisogamy Oogamy Karyogamy Correct Ans. (d) 6. Which of the following is used in cheese production: a. b. c. d. Sexual reproduction in which small male gamete is motile while the large female gamete is immotile is called: Powdery mildew Ring worm Rusts Downy mildew 13. Parasitic Symbiotic Saprophytic Chlorophytic Sporophyte generation produces: a. b. c. d. Gametes Zygote Embryo Spores Correct Ans. (d) 14. The chromosome number in the gametes of Ulva is: Correct Ans. (b) a. b. c. d. Ulva is: Correct ans. (d) a. b. c. d. Unicellular Filamentous Tubular None of these Diploid Triploid Teraploid Monoploid 15. The number of chromosomes in the cells of the Sporophyte plant body of Ulva is: a. Diploid b. c. d. 16. Correct Ans. (a) a. b. c. d. Euglena is an animal because it lacks: Correct Ans. (c) a. b. c. d. 17. Triploid Teraploid Monoploid Nucleus Chloroplast Cell wall Cell membrane Correct Ans. (c) Mycelium is a term used for: Correct Ans. (d) 23. Stolon Sporangiophore Rhizoids Rhizophores starch glucose lipid glycogen Amanita is: a. Useful b. Edible c. Poisonous d. None of these Correct Ans. (c) Root-like hyphae of Rhizopus are called: a. b. c. d. 24. In which of the following reproductive organs are not surrounded by sterile cells? a. b. c. d. Correct Ans. (c) 19. In Rhizopus food is stored in the form of: a. b. c. d. a. Mass of spores b. Mass of sporangia c. Mass of hyphae d. Zoospores Correct Ans. (c) 18. 22. Poisonous Non-edible Delicious None of these Thallophytes Bryophytes Pteriodophytes Spermatophytes Pyrenoid is involved in: Correct Ans. (a) a. b. c. d. conversion of sugar into starch Conversion of starch into sugar Synthesis of protein Photosynthesis 25. a. b. c. d. Correct Ans. (a) 20. Stigeoclonium is: a. b. c. algae mosses liverworts fungi Correct Ans. (d) 26. The saprophytes Correct Ans. (c) a. b. c. d. Morels and truffles are: Correct Ans. (c) d. 21. Fresh water unicellular green alga Fresh water multi cellular bluegreen alga Fresh water multi cellular green alga Marine multi cellular green alga Which of the following lack chlorophyll? live on living organic matter prepare their own food live on non-living organic matter do not need food 27. Which of the following is not the asexual method of reproduction in fungi? a. b. c. d. 32. Which of the following anchor the Rhizopus and absorb nutrients? a. b. c. d. fragmentation budding spore formation conjugation Stolon Rhizoids Sporangiophores None of these Correct Ans. (b) Correct Ans. (d) 28. Which of the following is common method of asexual reproduction in yeasts? a. b. c. d. 33. Which of the following form a network over the surface of the food? a. b. c. d. budding binary fission multiple fission spore formation stolon rhizoids Sporangiophores All of these Correct Ans. (a) correct Ans. (a) 34. The dome shaped structure formed in the sporangium of Rhizopus is called: 29. Which of the following is included in sexual reproduction? 35. a. b. c. d. meiosis fusion of haploid nuclei formation of zygote all of these a. crown b. corona c. columella d. calyptra Correct Ans. (c) Each gametangium in Rhizopus contains: a. b. c. d. One nucleus Two nuclei Many nuclei No nucleus Correct Ans. (d) Correct Ans. (c) 30. The hyphae of Rhizopus are: a. b. c. d. without nuclei Uninucleate Binucleate Multinucleate Correct Ans. (d) 31. Which of the following constitute the body of Rhizopus? a. Stolon b. Sporangiophores c. Rhizoids d. All of these Correct Ans. (d) 36. Which of the following is adaptation of fungi for terrestrial mode of life? a. b. c. d. production of zoospores heterotrophic mode of nutrition presence of cell wall absence of flagellated spores Correct Ans. (d) 37. Which of the following is not true of zygospore of Rhizopus? a. b. c. without a wall has diploid nuclei has a thick wall d. resistant to unfavourable condition a. b. c. d. Correct Ans. (a) 38. Which of the following has been used extensively in understanding the principles of inheritance? a. b. c. d. Rhizopus Agaricus Neurospora Penecillium Correct Ans. (a) 44. Which of the following is useful activity of fungi? a. b. c. Correct Ans. (c) d. 39. Epidermophyton Penecillium Rhizopus Agaricus decomposition of food causing diseases recycling nutrient by decomposing organic compounds destroying of timbers Which of the following is edible? Correct Ans. (c) a. Amanita b. Morels c. Rhizopus d. All of these Correct Ans. (b) 40. Which of the following causes rusts in cereals? 45. Which of the following is not present in Chlamydomonas? a. b. c. d. a. Rhizopus b. Penecillium c. Puccinia d. Neurospora Correct Ans. (c) 41. Which of the following causes smut in wheat? a. b. c. d. cup-shaped chloroplast eye spot nucleus central vacuole Correct Ans. (d) 46. Phytophthora Ustilago Agaricus Aspergillus Which of the following is the method of asexual reproduction in Chlamydomonas? a. b. c. d. budding fragmentation Akinetes formation Zoospore formation Correct Ans. (b) Correct Ans. (d) 42. Which of the following diseases is not caused by fungi? a. b. c. d. potato blight fire-blight powdery mildew downy mildew Correct ans. (b) 43. Athletes foot disease in man caused by: 47. Meiosis in Stigeoclonium occurs: a. b. c. d. before gamete formation after gamete formation in the zygote during zoospore formation Correct Ans. (c) 48. Which of the following genera exhibits an alternation of generations, with haploid and diploid multicellular phase? b. c. d. a. b. c. d. Correct Ans. (c) Chlamydomonas Stigeoclonium Ulva Euglena 53. 49. Which of the following is mismatched? a. b. Correct Ans. (c) saprophyte Sporophyte Parasite Rhizopus_______ heterotrophic Pink bread mold ______ Penecillium Stigeoclonium ______ heterotrichous Ulva ______ marine In which of the following multicellular haploid phase alternates with unicellular diploid phase? c. a. b. c. d. Correct Ans. (b) Chlamydomonas Stigeoclonium Ulva Euglena (c) Correct Ans. d. 54. Which of the following is the characteristic of all fungi? a. b. c. d. 50. Which of the following statement is true of Fungi Imperfecti? a. b. c. d. produce gametes reproduce sexually have sexual phase lack sexual phase autotrophic parasitic saprophytic heterotrophic Correct Ans. (d) 55. The fusion of two motile dissimilar gametes is called: Correct Ans. (d) a. b. c. d. Isogamy Anisogamy Oogamy somatogamy Correct Ans. (b) 51. Zygotes of species in the group Thallophyta a. b. c. d. do not develop into embryo with in the parent plant are flagellated have triploid nuclei form from the union of diploid cells 56. Zygospores are generally absent in a culture of Rhizopus hyphae developed from a single spore due to: a. b. c. d. deficiency of nutrients excess of nutrients presence of plus and minus strains absence of plus and minus strains Correct Ans. (d) Correct Ans. (a) 52. Where there is alternation of generation, the diploid multicellular plant is called: a. gametophyte CHAPTER 7 Choose the most appropriate answer: 6. 1. They retain zygote after fertilization in the female reproductive organ which develops into an embryo: a. b. c. d. a. b. c. d. Algae Fungi Cyanobacteria Bryophytes Correct Ans. (d) Unicellular Bicellular Tricellular Multicellular Correct Ans. (d) 7. The large nonmotile egg formed in heterogamy is full of: 2. It is much more uniform habitat and better supplied with nutrients: a. b. c. d. The sex organs of moss plant are: a. b. c. d. Land Air Water Ice stored food water air waste matter Correct Ans. (a) 8. Embryos are present in all: Correct Ans. (c) 3. The reproductive organs of moss plants are located on the: a. b. c. d. Side of stem Base of stem Tip of stem Axil of leaves a. b. c. d. Bryophytes Vascular plants Algae Both A & B Correct Ans. (d) 9. The zygote in moss plant divides and produces: Correct Ans. (c) 4. The dominant generation in Bryophytes is: a. b. c. d. Sporophyte Gametophyte Saprophyte Tracheophyte Correct Ans. (b) 5. Antheridium produces: a. b. c. d. Eggs Sperms Spores Zygotes Correct Ans. (b) a. b. c. d. Sperms Eggs Embryo Spores Correct ans. (c) 10. In moss plant, spore on germination develops into: a. b. c. d. Sporophyte Gametophyte Liverworts Pteredophytes Correct Ans. (b) d. all of these Correct ans. (d) 11. In Moss plant: a. b. c. d. Gametophyte is dependent on Sporophyte Sporophyte is dependent on gametophyte Both are independent from each other Both are dependent on each other for food Correct Ans. (b) 12. 16. Which of the following is an example of liverworts? a. b. c. d. Funaria Marchantia Ulva Penecillium Correct Ans. (b) 17. The diffusion of oxygen and carbon dioxide in bryophytes take place through the: Alternation of generation: a. b. c. d. Increases the chances of survival Decreases the chances of survival Does not affect survival None of these a. b. c. d. epidermal cells stomata pores in the epidermis cuticle Correct Ans. (c) Correct Ans. (a) 13. Meiosis (reduction division) in moss plant occurs: a. b. c. d. Before gametes formation Before spore formation After spore formation After gametes formation 18. The female sex organs in moss plant are called: a. b. c. d. archegonia antheridia sporangia oogonia Correct Ans. (a) Correct ans. (b) 14. Which of the following have unicellular reproductive organs? a. b. c. d. mosses algae liverworts Pteredophytes 19. Which of the following are produced in archegonia? a. b. c. d. sperms eggs ovules spores Correct Ans. (b) Correct Ans. (b) 15. Which of the following characteristics are adopted by organisms for life on land? a. b. c. multicellular plant body heterogamy formation of embryos 20. Which of the following produces embryo with in the parent plant? a. b. c. d. Rhizopus Ulva Funaria Stigeoclonium Correct Ans. (c) c. d. opposite electric charges none of these Correct Ans. (b) 21. is: The alternation of generation in moss plant a. b. c. d. 22. isomorphic heterosporic isogamic heteromorphic Correct Ans. (d) a. b. c. d. The gametophyte of a moss plant is: Correct Ans. (d) a. b. c. d. Monoploid Diploid Triploid Polyploidy Correct Ans. (a) 23. Which of the following is mismatched in bryophytes? a. b. c. d. archegonia _____ eggs Antheridia _____ spores Bryophytes ___ non __vascular plants Gametophyte ____ dominant Correct Ans. (b) 24. A moss sperm moves by means of: a. b. c. d. pseudopodia one flagellum two flagella none of these Correct Ans. (c) 25. by: 26. Embryonic development of the bryophyte zygote takes places in the: The bryophyte sperm attracted to the egg a. b. moving currents of water chemical secretions protonema sporogonium Antheridium archegonium CHAPTER 8 Choose the most appropriate answer: 1. They are non-vascular plants: a. b. c. d. 6. are: Hosrsetails Conifers Club mosses Liverworts a. b. c. d. Correct Ans. (d) 2. They are water conducting cells of xylem tissue: a. b. c. d. The branches of primitive vascular plants U-shaped V-shaped Y-shaped W-shaped Correct Ans. (c) 7. Xylem in the stem of primitive vascular plants is: parenchyma sclera chyma trachieds sieve tubes a. b. c. absent external to phloem none of these Correct Ans. (C) Correct Ans. (c) 3. It is dominant generation in tracheophytes: a. b. c. d. Gametophyte Saprophyte Sporophyte Thallophyte Correct Ans. (c) 4. It is the oldest vascular plants: a. b. c. d. Psilotum Selaginella Lycopodium Equisetum 8. is: The number of veins in Megaphyllous leaf a. b. c. d. One Two Three Many Correct Ans. (d) 9. The first step in the evolution of Megaphyllous leaf is called: a. b. c. d. Webbing Formation of out growth Planation Plantation Correct Ans. (a) Correct Ans. (c) 5. It is a fossil vascular plant: a. b. c. d. Rhynia Psilotum Pinus Lycopodium Correct Ans. (a) 10. In Selaginella, roots are produced from leafless branches called: a. b. c. d. Rhizoids Rhizomorph Rhizophores Sporophore Correct Ans. (c) b. c. d. Female gametophyte Male Sporophyte Female Sporophyte Correct Ans. (b) 11. The stem of Selaginella does not contain: a. b. c. d. 12. xylem Phloem Cambium Epidermis 17. of: Correct Ans. (c) a. b. c. d. Male gametophyte develops from: Correct Ans. (d) a. b. c. d. Archegonium Antheridium Megaspore Microspore Embryo Spore Zygote Seed 18. Integumented mega sporangium in which megaspore is retained is called: a. b. c. d. Correct Ans. (d) 13. Pollen tube is required for the production Ovule Seed Embryo Pollen tube The embryo of Selaginella develops into: Correct Ans. (a) a. b. c. d. Gametophyte Thallophyte Saprophyte Sporophyte 19. a. b. c. d. Correct Ans. (d) 14. In Selaginella the embryo develops into: Root, stem, leaves and cotyledons Root, stem, leaves and flowers Root, stem, leaves and seeds Root, stem, leaves and fruits Production of two types of spores is called: Correct Ans. (a) a. b. c. d. Microspory Megaspory Homospory Heterospory Correct Ans. (d) 15. 20. Primitive vascular paints had sporangia at: a. b. c. d. Axils of leaves Bases of branches Tips of branches Both A & B All seed plants are: Correct Ans. (c) a. b. c. d. Homosporous Isogamous Heterosporous None of these Correct Ans. (c) 16. Megaspore develops into: a. Male gametophyte 21. Which one of the following is necessary for the development of seed? a. b. c. d. introduction of Heterospory retention of the megaspore within mega sporangium development of pollen tube all of these Correct Ans. (d) c. d. produce flowers non of these Correct Ans. (b) 22. Which of the following are non-vascular plants? a. b. c. d. 23. is club mosses ferns mosses conifers 27. Which of the following do not have true leaves? Correct Ans. (c) a. b. c. d. In tracheophyte the Sporophyte generation Correct Ans. (d) a. b. c. d. dependent dominant without leaves without roots 28. The oldest known vascular plants were widespread about a. b. c. d. Correct Ans. (b) 24. Which of the following is not the character of gametophyts in tracheophyte? a. b. c. d. large reduced short lived small 29. In which of the following only the stem performs the function of photosynthesis? a. b. c. d. 25. Which of the following do not produce seeds? Correct Ans. (d) 26. The Pteredophytes are also called lower vascular plants because they: a. b. contain cambium do not produce seeds Psilotum Selaginella Lycopodium Equisetum Correct Ans. (a) 30. ferns club mosses horse tails all of these 300 million year ago 400 million years ago 500 million year ago 600 million year ago Correct Ans. (a) Correct Ans. (a) a. b. c. d. Psilotum Selaginella Equisetum Lycopodium Which of the following number of rows of leaves are present on the stem of Selaginella? a. b. c. d. two four five six correct Ans. (b) 31. Which of the following is not the part of Selaginella plant? a. b. c. d. Stem Root Seed Leaves a. b. c. d. insects water pollen tube air correct Ans. (b) Correct Ans. (c) 32. Reproductive leaves produced at the ends of upright branches in Selaginella are called: a. b. c. d. sporophylls sporangia sporocarps spermatia 37. Which of the following are trends towards seed habit exhibited by Selaginella? a. b. c. d. Correct Ans. (a) 33. In Selaginella, sporangia are produced: a. b. c. d. at the lower margins of leaves on the lower surface of leaves in the axils of sporophyll on the upper surface of sporophylls Correct Ans. (c) 34. Heterospory Presence of pollen tube Non-flagellated sperms Dependency on water for fertilization Correct Ans. (a) 38. In which of the following sporangium is enveloped in a leaf? a. b. c. d. Equisetum Psilotum Selaginella Lycopodium Megaspores are produced inside Correct Ans. (d) a. b. c. d. microsporangia megasporangia archegonia antheridia Correct Ans. (b) 35. Meiosis in Selaginella occurs a. b. c. d. before zygote germination before gametes formation before spores formation after spore formation correct Ans. (c) 36. In Selaginella sperms are transported to the egg through 39. The sporangia of horsetail (Equisetum) cones are produced a. b. c. d. in the axils of leaves on the tip of branches on little branches enveloped in leaf Correct Ans. (c) 40. In which of the following sporangia are not properly protected? a. b. c. d. Pines Psilotum Selaginella Lycopodium Correct Ans. (b) c. d. 41. Which of the following is not the character of seed plants? a. b. c. d. Heterospory Presence of pollen tube Dependency on water for fertilization Development of seed vessels that transport fluids no independent life correct Ans. (c) 46. In Selaginella, of the two cells formed by the first division of zygote, only one develops into an embryo while the other grows into an elongated structure called. a. b. c. d. Correct Ans. (c) rhizophore radical suspensor prothallus Correct Ans. (c) 42. Which of the following are the characteristics of the ovule? a. b. c. d. presence of integument retention of megaspore maturation into seed all of these Correct Ans. (d) 43. CHAPTER 9 Choose the most appropriate answer: 1. Which of the following belongs to Gymnosperm group: Which of the following helped the seed plants to adapt to a wide variety of environments? a. b. c. d. Heterospory Presence of roots No dependency on external water for fertilization Production of leaves a. b. c. d. Cedrus Wheat Sugar cane Tobacco Correct Ans. (a) 2. are: The leaves produced by the Pinus plant Correct Ans. (c) a. b. c. d. 44. Sperms are transported to the egg in seed plants through? a. b. c. d. water pollen tube insects air Correct Ans. (b) 45. A plant in the division Tracheophyta has a Sporophyte with a. b. isogametes flagellated and motile eggs One type Two types Three types Four types Correct Ans. (b) 3. Pinus produces: a. b. c. d. Cones Fruits Flowers None of these Correct Ans. (a) 4. The numb of microsporangia in each sporophyll of male cone of Pinus is: a. b. c. d. 5. One Two Three Four Correct Ans. (d) 10. They lack secondary growth: Correct Ans. (b) a. b. c. d. Megaspore divides by mitosis and forms: Correct Ans. (c) a. b. c. d. Male gametophyte Male Sporophyte Female gametophyte Female Sporophyte Correct Ans. (c) 11. Gymnosperms Angiosperms Pteredophytes Both A & B Which of the following produce flowers? a. b. c. d. Bryophytes Pterdophytes Gymnosperms Angiosperms Correct Ans. (d) 6. new: The seed of Pinus germinates and forms 12. When calyx and corolla are not distinguishable, they are collectively called: a. b. c. d. 7. Sporophyte Micro gametophyte Thallophyte Mega gametophyte a. b. c. d. Correct Ans. (a) The endosperm in Angiosperm is: a. b. c. d. Monoploid Triploid Diploid Teraploid Correct Ans. (d) 13. The Endosperm in Gymnosperms is: a. b. c. d. Triploid Diploid Monoploid Tetraploid 14. Pine Pea Mustard None of these In Cassia fistula the inflorescence is: a. b. c. d. Antheridia are produced by: a. b. c. d. Corymb Umbel Capitulum Spike Correct Ans. (d) Correct Ans. (c) 9. It is a racemose inflorescence in which the main axis is elongated and the flowers are sessile: a. b. c. d. Correct Ans. (b) 8. Panicle Pedicel Protoplast Perianth Typical raceme Typical cyme Umbel Catkin Correct Ans. (a) 15. A branched raceme is called: a. b. c. d. Panicle Capitulum Umbel Corymb a. b. c. d. Correct Ans. (a) 16. In which of the following, flowers are sessile and crowded together on a short axis? a. b. c. d. Solanaceae Poaceae (Graminae) Brassicaceae Leguminosae Correct Ans. (b) 21. Female gametophyte of an angiosperm consists of: a. b. c. d. Umbel Corymb Panicle Capitulum 3 cells 5 cells 7 cells 9 cells Correct Ans. (c) Correct Ans. (d) 22. The male gametophyte of an angiosperm consists of: a. one cell b. 2 cells c. 3 cells d. 4 cells 17. Iberis (Candytuft) is an example of: a. b. c. d. 18. Spike Catkin Corymb Cyme 23. Endosperm mother cell is: Correct Ans. (c) a. b. c. d. In Euphorbia, the inflorescence is: Correct Ans. (b) a. b. c. d. Uniparous Biparous Multiparous None of these Correct Ans. (c) 19. Correct Ans. (c) Monoploid Diploid Triploid Tetraploid 24. Their cotyledons absorb the endosperm tissue and are greatly enlarged: a. b. c. d. Castor oil Rice Corn Bean In wind pollinated flowers the petals are: Correct Ans. (d) a. b. c. d. Large Coloured Scented Small and dry Correct Ans. (d) 20. Triticum aestivum belongs to the family: 25. The protective covering (integument) of the ovule is transformed into: a. b. c. d. Embryo Cotyledon Hypocotyl Seed coat (testa) Correct Ans. (d) d. 26. Which of the following produces winged fruits ? Correct Ans. (d) 32. a. b. c. d. Monera Guavas Cocklebur Dodonaea Coconut Ovary is oblique in: a. b. c. d. Brassicaceae (Cruciferae) Solanaceae Leguminosae Graminae Correct Ans. (c) Correct Ans. (b) 27. It is an underground stem that is short, thickened, and fleshy containing food material: a. b. c. d. 33. Raphanus sativus is the botanical name of: a. b. c. d. Rhizome Tuber Corm Bulb Turnip Tomato Radich Mustard Correct Ans. (c) Correct Ans. (c) 29. Which of the following type of stem is found in iris: a. b. c. d. 30. Rhizome Tuber Corm Bulb 34. Their roots contain nitrogen fixing bacteria: a. Tomato b. Potato c. Legumes d. Maize Correct Ans. (c) 35. the The sporangia of conifers are located on Correct Ans. (a) a. b. c. d. Potato is an example of Correct Ans. (b) a. b. c. d. Rhizome Tuber Corm Bulb 36. The microspore of conifers divides by mitosis to produce a a. b. c. d. Correct Ans. (b) 31. Organisms in this kingdom are made of prokaryotic cells: a. b. c. Protista Plantae Fungi tips of needles scales of the cones bases of the needles axils of the branches multicellular embryo male Sporophyte male gametophyte female gametophyte Correct Ans. (c) 37. The plant body of a Pinus is a. gametophyte b. c. d. saprophyte Sporophyte Parasite Correct Ans. (c) 38. In Pinus plant megaspore a. b. c. d. is released from the asporangium before germination is never released from the mega sporangium is released from the mega sporangium after germination develops into male gametophyte Correct Ans. (b) 39. In how much time the process of seed formation is completed in Pinus? a. b. c. d. one year two years three years four years Correct Ans. (c) 42. Which of the following characters is not shared by both the Gymnosperms and Angiosperms? a. b. c. d. presence of vessels pollen tube seed production Heterospory Correct Ans. (a) 43. Which of these is not the characteristic of an Angiosperm? a. b. c. d. enclosed seed presence of archegonia double fertilization triploid endosperm Correct Ans. (b) 44. Which of the following is an example of spike? a. b. c. d. Brassica Achyranthus Iberis Cassia Correct Ans. (b) 40. Which of the following is not shared by both the Pteridophytes and Gymnosperms? a. b. c. d. presence of vascular tissues presence of archegonia presence of antheridia dominant Sporophyte generation Correct Ans. (c) 41. Which of the following characters are shared by both the Gymnosperms and Angiosperms? a. b. c. d. Heterospory Seed production Pollen tube formation All of these Correct Ans. (d) 45. Which of the following is an example of Biparous cyme? a. b. c. d. Silene Tradescantia Begonia Euphorbia Correct Ans. (a) 46. In which of the following endosperm is involved in the process of fertilization? a. b. c. d. Gymnosperms Pteredophytes Angiosperms Algae Correct Ans. (c) d. 47. Which of the following is part of an embryo? a. b. c. d. hypocotyls radical epicotyl all of these Correct Ans. (d) 52. In the life cycle of angiosperms meiosis occurs a. b. c. d. Correct Ans. (d) 48. Which of the following is not part of an embryo? a. b. c. d. cotyledon endosperm plumule epicotyl 53. Which of the following is not the part of Sporophyte of an angiosperm? a. b. c. d. In which of the following the endosperm tissue continues to grows as the ovule matures into a seed? corn bean pea gram sperm roots leaves stem Correct Ans. (a) 54. a. b. c. d. during seed formation before seed formation after spore formation during gametes formation Correct Ans. (b) Correct Ans. (b) 49. all of these The corn grain is a/an a. b. c. d. seed embryo spore fruit with a single seed Correct Ans. (a) Correct Ans. (d) 50. Which of the following is not the feature of flowers pollinated by wind? a. b. c. d. small petals abundance of pollen grains production of nectar large feathery structure of the tip of pistils Correct Ans. (c) 51. Which of the following is the character of insect pollinated flowers? a. b. c. large petals coloured petals production of nectar 55. The number of cotyledons present in bean seed is: a. b. c. d. one two three four Correct Ans. (b) 56. Which of the following is the number of cotyledons in corn seed? a. b. c. one two three d. four b. c. d. Correct Ans. (a) 57. The fruits of which of the following are provided with hooks? Correct Ans. (b) 62. a. b. c. d. Dodonaea Cocklebur Coconut Grapes Correct Ans. (b) 58. Which of the following generally possesses only primary wood? a. b. c. d. Monocotyledons Gymnosperms Dicotyledons All of these Correct Ans. (a) 59. Which of the following fruits are parthenocarpic? a. b. c. d. apples oranges mangoes bananas Correct Ans. (d) water storage cells reproductive cells dead cells Which of the following is reduced if the leaves are succulents in the succulent plants? a. b. c. d. stem roots flowers fruits Correct Ans. (a) 63. Which of the following is not the characteristic of the succulents? a. b. c. d. well developed cuticle low rate of transpiration volume of the shoot is less in proportion to the surface exposed volume of the shoot is great in proportion to the surface exposed Correct Ans. (d) 64. Which of the following has stored food in the form of sugars? a. b. c. d. stem tuber bulb corm rhizome Correct Ans. (b) 60. In which of the following the thalamus forms the edible part of the fruit? a. b. c. d. pea apple grapes mango 65. Which of the following established rules for binomial nomenclature? a. b. c. d. H.C. Gram C. Linnaeus R. Whittaker Stanley Correct Ans. (b) Correct Ans. (b) 61. The chief characteristic of the succulents is that the bulk of the plant body is composed of a. food storage cells 66. Which of the following established five kingdom system of the living organisms? a. Stanley b. c. d. C. Linnaeus Lederberg R. Whittaker a. b. c. d. Cicer arietinum Iberis amara Zea mays Capsicum annum Correct Ans. (d) Correct Ans. (d) 67. Which of the following is not the characteristic of Gymnosperm? a. b. c. d. 72. In which of the following families Gynoecium consists of only one pistil? stem root flower leaf a. b. c. d. Leguminosae (Fabaceae) Solanaceae Brassicaceae None of these Correct Ans. (c) Correct Ans. (a) 68. Which of these is an example of uniparous cyme? a. b. c. d. Euphorbia Tradescantia Ipomoea Achyranthes Correct Ans. (b) 69. Which of the following is the approximate number of species in the family Brassicaceae (Cruciferae)? a. b. c. d. 2000 3000 4000 5000 73. Which of the following are adapted to survival under conditions of a limit supply of water? a. b. c. d. Bryophytes Hydrophytes Xerophytes Mesophytes Correct Ans. (c) 74. Which of the following has hollow stem between the nodes? a. b. c. d. Poaceae (Graminae) Solanaceae Leguminosae All of these Correct Ans. (b) Correct Ans. (a) 70. Sisymbrium irio belongs to the family a. b. c. d. Solanaceae Fabaceae Brassicaceae (Cruciferae) Poaceae Correct Ans. (c) 71. Which of the following belongs to the family Solanaceae? 75. In which of the following flowers are produced in dense spikes? a. b. c. d. Solanaceae Leguminosae Brassicaceae Graminae Correct Ans. (d) 76. Which of these is mismatched? Correct Ans. (b) a. b. c. d. 77. pollen grain _______ male gametophyte sunflower ________ umbel Gymnosperm _________ cones Potato _______ stem tuber 81. All embryophytes have life cycle with Correct Ans. (b) a. b. c. d. Which of these is found in seed plants? Correct Ans. (d) a. b. c. d. complex vascular system pollen grain to replace swimming sperm retention of the megaspore with in the mega sporangium all of these seeds flowers fruits alternation of generation 82. Which of the following contains stored food for the germination of embryo? a. b. c. d. stigma endosperm pollen grain root Correct Ans. (d) Correct Ans. (b) 78. Which of these is mismatched? a. b. c. d. anthers _______ produces microsporangia pistil ______ produces pollen ovule ______ becomes seed ovary _____ becomes fruit 83. In which of the following food is not stored in the endosperm of the seed? a. b. c. d. corn castor oil bean wheat Correct Ans. (b) Correct Ans. (c) 79. Which of the following is monocot family? a. b. c. d. Cruciferae Solanaceae Leguminosae Graminae 84. Which of the following stores food in the cotyledon of the seed? a. b. c. d. corn wheat castor oil bean Correct Ans. (d) Correct Ans. (d) 80. Which of the following are seedless vascular plants? a. b. c. d. mosses horsetails liverworts legumes 85. Which of these does not develop from the zygote of an angiosperm? a. b. endosperm cotyledon c. d. radical plumule Correct Ans. (a) 86. Which of these remain underground during hypogeal mode of germination? a. b. c. d. plumule cotyledon epicotyl none of these Correct Ans. (b) 87. c. d. radicle hypocotyl Correct Ans. (b) 91. In the seeds of leguminous plants, food is stored in the a. b. c. d. endosperm testa taegmen cotyledons Correct Ans. (d) Phylogeny describes a species a. b. c. d. reproductive compatibilities with other species evolutionary history morphological similarities with other species geographic distribution Correct Ans. (d) 88. Of all the taxa, the only one that exists in nature as a biologically cohesive unit is the: a. b. c. d. species genus order kingdom Correct Ans. (a) 89. The part of the embryo between the point of attachment of cotyledons and the radicle is called the: a. b. c. d. hypocotyls epicotyl suspensor plumule Correct Ans. (a) 90. The part of the axis of embryo above the attachment of cotyledon is called the a. b. plumule epicotyl CHAPTER 10 Choose the most appropriate answer: 6. 1. Which of the following is the asexual method of reproduction in Protozoa? a. b. c. d. 2. Which of the following sexual method of reproduction is absent in Protozoa? a. b. c. d. Oogamy Isogamy Anisogamy Conjugation Correct Ans. (a) 3. Which of these is shelled protozoan? a. b. c. d. Plasmodium Paramecium difflugia Amoeba Correct Ans. (c) 4. Which of these is not the characteristic of Proifera? a. b. c. d. aquatic habitat pores Multicellular Presence of organs Correct Ans. (d) 5. Members of the porifera reproduce sexually by a. b. c. d. a. b. c. d. Isogamy An-isogamy Oogamy Budding Correct Ans. (d) Oogamy Isogamy As-isogamy Somatogamy Correct Ans. (a) Which of these is a fresh water sponge? Sycon Leucosolenia Spongilla Euplectella Correct Ans. (c) 7. Coelenterates are: a. b. c. d. predominantly freshwater predominantly marine predominantly terrestrial terrestrial and freshwater Correct Ans. (b) 8. Which of these is not the character of Coelenterates? a. b. c. d. primitive plan of organization no left and right sides of the body radical symmetry bilaterial symmetry Correct Ans. (d) 9. The sac-like internal digestive cavity of coelenterates is called: a. b. c. d. enteron nematocytes exeron stomach Correct Ans. (a) 10. Which of these is the characteristic of coelenterates? a. b. c. d. digestive cavity with a single aperture presence of nematocytes presence of tentacles all of these Correct Ans. (d) 11. The units of the colonies of coelenterates is called: a. b. c. d. zoospores zooids cysts akinetes 16. Which of these develops from the mesoderm? a. b. c. d. Correct Ans. (b) 12. Which of the following is polymorphism in coelenterates? a. b. c. d. production of one type of zooids production of two types of zooids production of may types of zooids all of these Correct Ans. (a) 17. Organisms possessing true body cavity are called: a. b. c. d. Correct Ans. (c) 13. Which of these are sexually reproductive zooids? a. b. c. d. medusae hydroids nematocytes none of these 18. Which of these are acoelomatic triploblastic animals? a. b. c. d. 14. Which of the following produce hard exoskeletion? jelly fish Hydra Obelia Corals 19. Which of the following character is exhibited by platyhelminthes? a. b. c. d. 15. Which of these develops from the endoderm? eggs without yolk simple reproductive system all are parasites none of these Correct Ans. (d) 20. nervous system lining of the gut reproductive system skeleton corals porifera platyhelminthes protozoans Correct Ans. (c) Correct Ans. (d) a. b. c. d. acoelomata coelomata monoblastic diplobalstic Correct Ans. (b) Correct Ans. (a) a. b. c. d. circulatory system integumentary system nervous system digestive system Which of these belong to platyhelminthes? a. b. c. d. Ascaris Fasciola Trichinella Hydra Correct Ans. (b) Correct Ans. (b) Correct Ans. (c) 21. Trichinella belongs to: a. b. c. d. protozoa platyhelminthes nematode coelenterate 26. Which of the following has segmented body? a. b. c. d. Correct Ans. (c) 22. Which of the following has a body cavity called pseudocoelom? a. b. c. d. platyhelminthes coelenterate protozoa nematode Correct Ans. (d) 27. 23. Which of the following is parasite in the intestine man? Fasciola Plasmodium Taenia Planaria Presence of cuticle around the body Segmented body Lack of blood vascular system Presence of true body cavity Correct Ans. (c) 28. Which of these possesses true body cavity (coelom)? a. b. c. d. Correct Ans. (c) 24. Which of these belong to the phylum nematoda? Annelia Nematoda Platyhelminthes Coelenterata Correct Ans. (a) 29. a. b. c. d. Which of these is not true of Annelida? a. b. c. d. Correct Ans. (d) a. b. c. d. coelenterate protozoa platyhelminthes annelida planaria dracunculus corals planaria Which of these is an example of Annelida? a. b. c. d. Ascaris Chaetopteris Trichinella Taenia Correct Ans. (b) Correct Ans. (c) 25. Which of the following causes sleeping sickness? a. b. c. d. vorticella Ascaris Trypanosome Taenia 30. Of all the animal species in the animal kingdom the number of arthropod species constitutes almost: a. b. c. 75% 50% 25% d. 10% c. d. Nematoda Echinodermata Correct Ans. (a) Correct Ans. (d) 31. The number of pairs of legs in insects are: a. b. c. d. one two three four 36. Which of these is not true of Echinodermata? a. b. c. d. Correct Ans. (c) 32. coelomata bilaterally symmetrical absence of brain absence of head Mollusks are: Correct Ans. (b) a. b. c. d. presence of envelop around the body highly organized body with complex systems segmented body bilaterally symmetrical body 37. a. b. c. d. Correct Ans. (c) 33. Which of the following protozoans lives in the gust termites and helps them digest cellulose? Plasmodium Amoeba Trichonympha Trypanosome Which of these is the habitat of mollusca? Correct Ans. (c) a. b. c. d. freshwater marine mountains all of these 38. a. b. c. d. Correct Ans. (d) 34. Most sponges are bilaterally symmetrical radially symmetrical vertically symmetrical asymmetrical Coiled shell is present in Correct Ans. (d) a. b. c. d. bivalves gastropods cephalopods all of these Correct Ans. (b) 35. Which of the following are exclusively marine? a. b. Mollusca Annelida 39. Water exits from a sponge through the a. b. c. d. spicule osculum choanocyte choanocyte Correct Ans. (b) 40. Which of the following is a radially symmetrical animal? a. b. c. d. Planaria Rotifer Fluke Sea anemone Correct Ans. (d) 41. The body cavity of roundworms is called a. b. c. d. acoelom pseudo-acoelom pseudo coelom coelom Correct Ans. (c) CHAPTER 11 Choose the most appropriate answer: 1. The characters of vertebrates are: a. b. c. d. Correct Ans. (d) 7. presence of vertebral column internal living skiliton three main body parts all of these a. b. c. d. Correct Ans. (d) 2. Vertebrates are: a. b. c. d. 8. bilaterally symmetrical radially symmetrical vertically symmetrical asymmetrical Which of these is not true of Pisces? a. b. c. d. sharks eel pike rohu Correct Ans. (a) 9. Which of the following is the character of amphibians? presence of gills for breathing tail as organ of locomotion undeveloped skull absence of middle ear a. b. c. d. 4. Which of these are regarded as the first of the vertebrates? living both in water and on land cold blooded least numerous of the terrestrial vertebrates all of these Correct Ans. (d) 10. bony fishes jawless fishes cartilaginous fishes all of these Which of these is not true of amphibians? a. b. Correct Ans. (b) 5. Which of these has cartilaginous skeleton? a. b. c. d. Correct Ans. (c) a. b. c. d. dogfish trout pike none of these Correct Ans. (d) Correct Ans. (a) 3. Which of the following are without jaws? c. d. breathing by gills in the larval stage breathing by lunge in the adult stage mostly internal fertilization cold blooded Sharks belong to Correct Ans. (c) a. b. c. d. 6. cartilaginous fishes bony fishes jawless fishes none of these Correct Ans. (a) Jellyfish fish belongs to a. bony fishes b. cartilaginous fishes c. jawless fishes d. none of these 11. Salamander is an example of a. b. c. d. bony fishes jawless fishes amphibians cartilaginous fishes Correct Ans. (c) Correct Ans. (b) 12. Which of the following is not the character of amphibians? 17. a. b. c. d. cold blooded do not depend on water for reproduction hibernate in winter breath by gills in the larval stage a. b. c. d. Correct Ans. (b) 13. Reptiles are a. b. c. d. 18. warm blooded cold blooded with internal fertilization with a scaly skin Which of these is not true of reptiles? a. b. c. d. 19. In reptiles amnion and allantois are extra membranes of: a. b. c. d. 20. Which of these is an example of amphibian? a. b. c. d. Correct Ans. (c) a. b. c. d. dipods tetrapods pentapods polypods egg sperm zygote embryo Correct Ans. (d) fertilization is internal eggs are large shelled lay eggs in water cold blooded 16. Which of the following is the character of reptiles? do not lay eggs lay eggs in water lay eggs on land eggs are without yolk Correct Ans. (c) Correct Ans. (d) a. b. c. d. Which of the following is true of reptiles? a. b. c. d. internal fertilization predominantly terrestrial tetrapods dependent on water for reproduction 15. Which of these is not the character of reptiles? imperfectly two chambered imperfectly three chambered imperfectly four chambered eight chambered Correct Ans. (c) Correct Ans. (b) 14. The heart of reptiles is sea horse rohu newt snake Correct Ans. (c) 21. Which of these is extinct reptile? a. b. c. d. Turtles Brontosaurus Snake Alligator Correct Ans. (b) 22. Which of these do the Reptiles and Aves not share? a. Similar embryonic development b. Presence of forelimbs c. Shelled eggs d. Scales on hind limbs Correct Ans. (b) 23. Correct Ans. (b) 28. Which of these is not the mammalian character? a. presence of hairs b. right aortic arch c. diaphragm d. well developed large brain Correct Ans. (b) Which of these is not true of birds? a. b. c. d. cold blooded heavy bones weak pectoral muscles all of these 29. Which of these is not true of the egg laying mammals? a. b. c. d. Correct Ans. (d) 24. feeding young with milk presence of hairs diaphragm right aortic arch Which of the following birds cannot fly? Correct Ans. (d) a. b. c. d. Rhea Cassowary Penguin All of these 30. Which of these are the placental mammals? a. b. c. d. Correct Ans. (d) 25. In mammals fertilization is a. b. c. d. absent internal external both internal and external Correct Ans. (c) 31. The ear of mammals is divided into a. b. c. d. three parts four parts five parts six parts Metatherians a. b. c. d. Correct Ans. (b) 26. prototherians metatherians eutherians all of these lay eggs have to teeth in the adult do not have true placenta have spiny skin Correct Ans. (c) 32. Flying mammals are included a. b. c. d. Correct Ans. (a) 27. The skin of mammals is provided with sweat glands for Rodentia Chiroptera Primates Cetacean Correct Ans. (b) a. b. c. d. respiration temperature regulation oily secretion blood movement regulation 33. Elephants are included in a. b. carnivore perissodactyla c. d. artiodactyla proboscidia Correct Ans. (d) 34. Artiodactyla include a. moles b. cattle c. horses d. wolves Correct Ans. (b) 35. In Which of the following young are born in rudimentary conditions? a. b. c. d. kangaroos zebras elephants bats CHAPTER 12 DIVERSITY IN FUNCTION PLANTS WATER RELATIONS: PHOTOSYNTHESIS Correct Ans. (a) Choose the most appropriate answer: 36. The vertebrates are a. b. c. d. all unisexual all hermaphrodite some unisexual and some hermaphrodite all neuter (without sex) 1. The water of guttation is forced out of the leaves by: a. b. c. d. Diffusion Root Pressure Imbibition Active transport Correct Ans. (a) Correct Ans. (b) 2. The movement of solvent molecules through a semi-permeable membrane from a region of low solute concentration to a region of high solute concentration is: a. b. c. d. Diffusion Plasmolysis Osmosis Active transport Correct Ans. (c) 3. The osmotic pressure of a solution a. b. increases with increase in concentration of solute decrease with increase in concentration of solute c. d. remains unchanged with increase in concentration of sol none of these b. c. d. Correct Ans. (a) 4. The transport of substances from a region of its lower concentration to its higher concentration is called: a. b. c. d. Translocation Guttation Osmosis Correct Ans. (b) 9. Which of the following conducts water inside plant body? a. b. c. d. Osmosis Imbibition Active transport Passive transport phloem xylem cortex pith Correct Ans. (b) Correct Ans. (c) 5. The taking up of a liquid by a substance with the resultant swelling in volume is called: a. b. c. d. 10. The exudation of water drops from the leaves of intact plants is: Plasmolysis Imbibitions Diffusion Active transport a. b. c. d. Correct Ans. (b) 6. Germination of seed involves the rupturing of seed coat because of: a. b. c. d. guttation transpiration evaporation transportation Correct Ans. (a) 11. In which of the following assimilates move along the concentration gradient? a. b. c. d. Osmosis Imbibitions Diffusion Active transport sieve tubes xylem vessels trachieds fibers Correct Ans. (a) Correct Ans. (b) 12. 7. The shrinkage of protoplasm due to exosmosis of water from the cell is called: a. b. c. d. Osmosis Deplasmolysis Plasmolysis Imbibition a. b. c. d. Correct Ans. (c) 8. The process where by water moves through the plants is known as : a. Transpiration Which of the following percentage of transpiration usually occurs through the stomata? 30% 50% 60% 90% Correct Ans. (d) 13. The combined area of total stomatal pores as compared to the total leaf area is almost: a. b. c. d. 1-2% 3-4% 5-6% 7-8% b. c. d. CO2 Glucose None of these Correct Ans. (a) Correct Ans. (a) 19. 14. The number of stomata per square centimeter of leaf surface of tobacco leaf is almost: a. b. c. d. Chlorophylls c, d and e are present in: a. b. c. d. 1200 2100 12000 21000 Angiosperms Gymnosperms Bacteria Algae Correct Ans. (d) Correct Ans. (c) 15. The processes involved in stomatal transpiration are: a. b. c. d. 2 4 8 6 20. Chlorophyll is a large molecule with a central core of: a. b. c. d. Correct Ans. (a) 16. When leaf cells are fully turgid, the transpiration rate is: Correct Ans. (d) 21. a. b. c. d. Iron Sulphur Nitrogen Magnesium high medium low not affected Chlorophyll mainly absorbs red light and: a. b. c. d. Green light Yellow light Blue light Orange light Correct Ans. (a) Correct Ans. (c) 17. The rate of water evaporation doubles for every temperature rise of: a. b. c. d. 10 oC 20 oC 5 oC 25 oC Correct Ans. (a) 18. Oxygen gas released during photosynthesis is comes from: a. Water 22. In the photo system II, high energy electrons of chlorophyll molecule are accepted by: a. b. c. d. PC PQ NAD ATP Correct Ans. (B) 23. During light reaction of photosynthesis, ATP formation occurs when electrons are transported between cytochrome: a. b. c. d. 28. The wave lengths of red light are in the range of: a and b b and c b and f c and f a. b. c. d. Correct Ans. (c) 24. High energy electrons in photo system I are transferred from FRS to: a. b. c. d. 400-500 nm 500-550 nm 600-650 nm 700-750 nm Correct Ans. (d) 29. ATP PC NADP PQ Which of the following are the principal photoreceptors in the chloroplast of green plants? a. b. c. d. Correct Ans. (C) Chlorophyll b and c Chlorophyll a and b Chlorophyll and d Chlorophyll d and c Correct Ans. (b) 25. As a first identifiable product of the dark reaction is: a. b. c. d. PGA PGAL Glucose RuBP 30. The sequence of electron acceptors in the light reaction is a. b. c. d. Correct Ans. (c) 26. PQ---cyf f---cyt b----PC PQ---PC---Cytb----Cyt f PQ---PC---Cyt f----Cytb PQ---Cyt b---Cyt f----PC Light reaction of photosynthesis occurs in: Correct Ans. (d) a. b. c. d. Granum Stroma Mitochondria Leucoplast Correct Ans. (a) 27. The break down of water molecule (photolysis) in photosynthesis occurs during: a. b. c. d. light reaction dark reaction Glycolysis Krebs cycle Correct Ans. (a) 31. Which of the following is the source of hydrogen in the glucose molecule formed during photosynthesis? a. b. c. d. Water CO2 ATP NADP Correct Ans. (a) 32. Which of the following are products of light reaction? a. NADPH2 and Water b. c. d. NADPH2 and ATP ADP and ATP NADPH2 and Glucose c. d. equal none of these Correct Ans. (b) Correct Ans. (b) 33. In the dark reaction, ATP and NADPH2 react with: a. b. c. d. RuBP PGA PGAL Glucose 38. The wavelengths of visible light are longer than the wavelengths of a. b. c. d. infrared ultraviolet microwaves radio waves Correct Ans. (b) Correct Ans. (c) 34. Chlorophyll “a” occurs in all Photosynthetic plants except: a. b. c. d. Green algae Blue green algae Angiosperms Pigment containing bacteria 39. The wavelengths of visible light are shorter than the wavelengths of a. b. c. d. infrared ultraviolet x-rays gamma rays Correct Ans. (a) Correct Ans. (d) 35. When the fluid outside a cell has a greater concentration of a given molecule than the fluid inside the cell, the external fluid is a. b. c. d. 36. isotonic hypertonic hypotonic ultratonic Correct Ans. (b) The osmotic pressure of pure water is: a. b. c. d. 0 1 10 100 Correct Ans. (a) 37. The water potential of all solutions as compared to pure water is always: a. b. higher lower 40. Which of the following colours of light work best for photosynthesis? a. b. c. d. Red Yellow Blue Both a and c Correct Ans. (d) 41. Which of the following is the worlds most common protein? a. b. c. d. cellulose ribulose biphosphate carboxylase insulin diastase Correct Ans. (b) 42. Photophosphorrylation in a chloroplast is mot similar to which of the following mitochondrial reaction? b. a. b. c. d. d. c. substrate-level phosphorylation oxidative phosphorylation oxidative decarboxylation hydrolysis Correct Ans. (a) 47. Correct Ans. (b) 43. A photosystem is an assemblage of pigment molecules together ranging from a. b. c. d. 48. With the increase of ions in the xylem its water potential becomes 45. a. b. c. d. Cyt. F Cyt. B ATP NADP Correct Ans. (d) phosphoglyceric acid glucose carbon dioxide plastoquinone 49. Water potential of a liquid increases when solute concentration a. b. c. d. Increases Decreases Remains unchanged None of these Correct Ans. (b) 50. Which of the following is not true of the exudation of water? a. b. Correct Ans. (b) c. 46. more positive more negative zero neutral Correct Ans. (b) Which of the following is obtained from phosphoglyceraldehyde in the dark reaction of photosynthesis? a. b. c. d. imbibition Plasmolysis Deplasmolysis Diffusion Correct Ans. (b) 44. The final acceptor of electrons during the light reaction of photosynthesis is: a. b. c. d. Which of the following would occur when a plant cell is packed in a fluid with high osmotic concentration than the cell sap? a. b. c. d. 10 – 100 100 – 200 200 – 400 400 – 500 Correct Ans. (c) osmotic pressure is equal to turgor pressure osmotic pressure is less than the turgor pressure both a and c Which of the following conditions in a plant cell would increase the uptake of water? d. water drops come out through stomata water drops come out through hydathodes water is forced out of the leaves by root pressu water drops are not formed by dew Correct Ans. (a) a. osmotic pressure is higher than the turgor pressure 51. until Water in the xylem vessel will ascend up a. b. c. d. its cohesive and adhesive strength is more than the gravitational pull gravitational pull is higher then the cohesive and adhesive strength of water sufficient water is available in the soil it is used in the photosynthesis a. b. c. d. 2% 20% 30% 50% Correct Ans. (a) 56. Which of the following products of light reaction of photosynthesis is not used in the dark reaction? Correct Ans. (a) a. b. c. d. 52. Plants do not store carbohydrates as glucose because it a. b. c. d. dissolves in water, thereby altering the osmotic bala attracts insects herbivores is an unstable molecule would replace ribose in DNA synthesis Correct Ans. (a) 53. Which of the following processes is responsible for the entry of water into root hair? a. b. c. d. wall pressure osmotic pressure turgor pressure atmospheric pressure Correct Ans. (b) ATP NADPH2 Oxygen None of these Correct Ans. (c) 57. The empirical formula of chlorophyll a is: a. b. c. d. C55 H72 O5 N4 Mg C55 H70 O5 N3 Mg C56 H72 O66 N4 Mg C55 H74 O5 N5 Mg Correct Ans. (a) 58. Which of the following is true of chlorophyll? a. b. c. d. absorbs all types of waves of sunlight containing iron atom in the center containing magnesium atom in the center present in all cells of green plants Correct Ans. (c) 54. Which of the following forces are responsible for the ascent of water in plant body? a. b. c. d. 55. atmospheric pressure root pressure transpiration pull both b and c Correct Ans. (d) Of the total sunlight reaching the earth, the percentage used in the photosynthesis is: 59. The most effective light absorbed by the chlorophyll is: a. b. c. d. yellow orange green none of these Correct Ans. (d) 60. Photosystem I has an absorption spectrum of wavelengths of around a. b. c. d. 600 nm 650 nm 680 nm 700 nm Correct Ans. (d) 61. Which of the following is not necessary for photosynthesis? a. b. c. d. CO2 Chlorophyll H2O Oxygen Correct Ans. (d) 62. In photosystem II, the electrons lost by reaction center are replaced by electrons from a. b. c. d. H2O C2 O Photosystem I ATP Correct Ans. (a) CHAPTER 13 6. Choose the most appropriate answer: 1. In animals the product of anaerobic respiration is: a. b. c. d. Butyric acid Alcohol Glucose Lactic acid Correct Ans. (d) 2. The process of Glycolysis takes place in: a. b. c. d. Mitochondria Cytoplasm Stroma Granum Correct Ans. (b) 3. In electron transport chain, one pair of electrons passing from NADreduced to oxygen produces a. b. c. d. 4 ATP 3 ATP 2 ATP 1 ATP Correct Ans. (B) 4. From which of the following plants gain weight? a. b. c. d. Respiration Transpiration Photosynthesis Fermentation Correct Ans. (c) 5. In which of the following cells elongate parallel to the long axis of the stem or root? a. b. c. d. Correct Ans. (b) 7. Spiral thickenings of the walls of cells occur in: a. b. c. d. Parenchyma Chlorenchyma Xylem vessels Cortex Correct Ans. (c) 8. The molecule which actually enters the Krebs cycle is: a. b. c. d. Pyruvic acid Acetyl-CoA Oxao acetic acid Fumaric acid Correct Ans. (b) 9. In the Krebs cycle oxaloacetic acid reacts with: a. b. c. d. Pyruvic acid Citric acid Acetyl-CoA Succinic acid Correct Ans. (c) 10. One ATP molecule is generated during the Krebs cycle in the step: Cambium is responsible for increase in: a. a. b. c. d. b. Length Photosynthesis Diameter Transpiration Pith Trachieds Cortex Parenchyma c. d. citric acid ----------- Alpha Ketoglutatic acid Alpha Ketoglutatic acid ------Succinic acid Succinic acid ---------------Fumaric acid Fumaric acid----------- Malic acid Correct Ans. (c) Correct Ans. (b) 11. It involves the liberation of Oxygen and absorbtion of CO2 a. b. c. d. 16. Which of these increases the growth rate of isolated cells in a test tube? Aerobic respiration Anaerobic respiration Photosynthesis Both A & B a. b. c. d. Auxins Cytokinins Gibberellins None of these Correct Ans. (c) Correct Ans. (b) 12. At the end of the electron transport chain during respiration, electrons are accepted by: a. b. c. d. 17. Chrysanthemum indicum is a: a. b. c. d. NAD FAD Oxygen Hydrogen Short day plant Long day plant Day neutral plant Both A & B Correct Ans. (a) Correct Ans. (c) 13. During growth fibers elongate greatly: a. b. c. d. 18. Thigmotropism is a growth movement in response to: At right angle to the long axis Parallel to the long axis Obliquely to the long axis In all directions a. b. c. d. Correct Ans. (b) 14. Which of these is the naturally occurring auxins? a. b. c. d. sunlight gravity water touch Correct Ans. (d) 19. Indole acetic acid 2, 4-D Abscisic acid Butyric acid Which one of the following properties are shared by photosynthesis and aerobic respiration? a. b. c. d. CO2 consumption ATP synthesis O2 release Glucose synthesis Correct Ans. (a) Correct Ans. (b) 15. The application of Auxin in small amount: 20. a. b. c. d. Stimulate the growth of leaves Retard the growth of leaves Suppress the growth of leaves Does not affect the growth of laves The function of cellular respiration is to a. b. c. d. make ATP make NADPH get rid of glucose get rid of carbon dioxide Correct Ans. (d) Correct Ans. (a) 21. Each chemical reaction in cellular respiration requires 26. a. b. c. d. a molecule of ATP a molecule of FAD a molecule of NAD a specific enzyme a. b. c. d. Correct Ans. (d) 22. How many molecules of oxygen gas are used during the Glycolysis of one glucose molecule? non 1 6 38 The term anaerobic means Correct Ans. (a) a. b. c. d. with glucose with oxygen without glucose without oxygen 27. Phosphoglyceraldehyde is oxidized during Glycolysis. What happens to the hydrogen atoms that are removed during this oxidation? Correct Ans. (d) a. b. c. 23. Which of the following processes makes direct use of oxygen? a. b. c. d. Glycolysis Fermentation Electron transport chain Krebs cycle Correct Ans. (c) 24. How many ATP molecules are formed during one turn of Kreb’s cycle? a. b. c. d. zero 1 2 3 d. They oxidize NAD They reduce NAD They are transferred to Pyruvic acid They are eliminated in the form of methane Correct Ans. (b) 28. During the first step of Glycolysis, glucose is converted to glucose phosphate. The phosphate group comes from a. b. c. d. inorganic phosphate phospholipids of the membrane ADP ATP Correct Ans. (d) Correct Ans. (b) 25. Glycolysis is a process found in a. b. c. d. only eukaryotic cells only prokaryotic cells only most muscle cells virtually all cells Correct Ans. (d) 29. Which of the following is not true of Glycolysis? a. b. c. d. substrate level phosphorylation takes place the end products are carbon dioxide and water ATP is formed ATP is used Correct Ans. (b) 30. Which of the following is not formed during alcohol fermentation? a. acetyl coenzyme A b. Pyruvic acid c. Ethanol d. Carbon dioxide b. c. d. Oxidation of Pyruvic acid The Krebs cycle Electron transport Correct Ans. (d) Correct Ans. (a) 31. Which of the following is the end product of anaerobic respiration in animals? 36. a. b. c. d. ethyl alcohol lactic acid carbon dioxide water a. b. c. d. Correct Ans. (b) 32. In the conversion of Pyruvic acid to acetyl coenzyme A, Pyruvic acid is: a. b. c. d. oxidized reduced broken into one carbon fragment isomerized At the end of the Krebs cycle, most of the energy removed from the glucose molecule has been transferred to: a. b. c. d. NADH2 and FADH2 ATP Oxaloacetic acid Citric acid Correct Ans. (a) 34. In the electron transport system, the final acceptor electrons is a. b. c. d. cytochrome c cytochrome a oxygen FAD 32 ATP 36 ATP 38 ATP 40 ATP Correct Ans. (b) 37. During electron transport, each molecule of FADH2 produces a maximum of a. b. c. d. Correct Ans. (a) 33. How may ATP molecules are formed inside mitochondria from the breakdown of one glucose molecule? 2 ATP 3 ATP 6 ATP 8 ATP Correct Ans. (A) 38. Fatty acids enter cellular respiration as: a. b. c. d. one carbon fragment two carbon fragments three carbon fragments long chain carbon Correct Ans. (b) 39. In a eukaryotic cell, the Krebs cycle and electron transport chain take place a. b. c. d. on the rough endoplasmic reticulum in the cytoplasm with in the nucleus within the mitochondria Correct Ans. (c) Correct Ans. (d) 35. In aerobic respiration, most of the ATP is synthesized during a. Glycolysis 40. The main advantage of aerobic respiration over anaerobic respiration is that: a. b. c. d. less carbon dioxide is released more energy is released from each glucose molecule fats and proteins are not used more carbon dioxide is released Correct Ans. (b) b. c. d. Correct Ans. (b) 46. Cytokinins stimulate cell a. b. c. d. 41. A molecule of ADP differs form a molecule of ATP in that it has a. b. c. d. diamine instead of thymine fever phosphate groups more phosphate groups more energy 47. When its terminal bud is moved, plant grows more a. b. c. d. 42. Shoot apical meristem cells are distinct from other stem cells because of their small size enlarged water vacuole thick cell wall triploid nuclei tall bushy slowly rapidly Correct Ans. (b) 48. Which of the following delays the normal process of aging in leaves? a. b. c. d. Correct Ans. (a) 43. division enlargemen wall thickening turgor Correct Ans. (a) Correct Ans. (b) a. b. c. d. enlargement differentiation turgor auxins gibberellins insulin Cytokinins New leaves are formed from the Correct Ans. (d) a. b. c. d. shoot apical meristem vascular cambium lateral buds pericycle Correct Ans. (a) 44. Most of a plant’s auxin is produced in its a. b. c. d. leaves lateral buds shoot apex root apical meristem 49. is Ethylene is an unusual hormone in that it a. b. c. d. a gas solid transported by the xylem transported by the phloem Correct Ans. (a) 50. An important effect of ethylene is to cause maturation of Correct Ans. (c) 45. The main effect of auxin is to stimulate a. division a. b. c. d. leaf primordial flower fruit stem Correct Ans. (c) 51. a. b. c. d. If a short day plant is grown under conditions of long nights and short days and the dark period is interrupted in the middle by a brief exposure to red light, the plant will Correct Ans. (c) 56. a. b. c. d. I-II I-IV I-III III-IV wilt flower fail to flower die The asexual production of seeds is called a. b. c. d. fragmentation fertilization parthenocarpy apomixes (parthenogenesis) Correct Ans. (c) Correct Ans. (d) 52. If a long day plant is grown under conditions of long nights and short days and the dark period is interrupted in the middle by a brief exposure to red light, the plant will a. b. c. d. 53. Which of these is not true of fermentation (anaerobic respiration)? d. net gain of only 2 ATP occurs in the cytoplasm NADH donates electrons to the electron transport system Beings with glucose Correct Ans. (c) 54. The transfer of high energy phosphate bonds to ADP by the substrate is called: a. b. c. d. a. b. c. d. die flower fail to flower wilt Correct Ans. (b) a. b. c. 57. A hormone that controls closure of stomata in response to water stress is oxidative phosphorylation substrate level phosphorylation photophosphorylation carboxylation Correct Ans. (b) gibberellins Abscisic acid Auxins Cytokinins Correct Ans. (b) 58. Which of the following cellular organelles extracts energy from carbohydrates and forms ATP molecules? a. b. c. d. Lysosome Chloroplast Mitochondrion Chromoplast Correct Ans. (c) 59. The value of respiratory quotient of amino acids is a. b. c. d. 0 1 more than 1 less than 1 Correct Ans. (c) 60. The primary plant body is covered with a layer of cells called 55. Which of the above properties are shared by fermentation, aerobic respiration and photosynthesis? a. b. cuticle epidermis c. d. periderm ground tissue Correct Ans. (b) 61. the Root hairs are formed from extension of a. b. c. d. ground tissue periderm epidermis cuticle Correct Ans. (c) 62. Secondary growth involves activity of the a. b. c. d. root tips shoot tip apical meristem lateral meristem Correct Ans. (d) 63. The function of root cap is to a. b. c. d. produce embryonic cells protect the root apical meristem from damage absorb water absorb minerals Correct Ans. (b)