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Dr. AASHISH H. PANCHAL (M.Pharm., Ph.D.) TRISHA INSTITUTE OF BIOLOGY GSEB/CBSE/ISC/NEET COMPLETE BIOLOGY SOLUTION STD-12 (Semester-3) Sub: Biology (056) (E) Time: 2.5 hour PART-A CHAPTER-1 TO 9 (GUJ-CET) Marks:100 Transpiring organ in plants is Epidermis (b) Xylem (c) Cortex (d) Phloem 2. How is the glomerular filtrate in comparative to plasma ? (a)Isotonic (b)Hypertonic (c)Hypotonic (d)none 3. Match the column: Column-I Column-II (A) Fibrinogen (i) Osmotic balance (B) Serum albumin (ii) Defence and transport (C) Serum globulin (iii) Blood clotting (a) A-(ii), B-(i), C-(iii) (b) A-(iii), B-(ii), C-(i) (c) A-(iii), B-(i), C-(ii) 4. What happens during inhalation ? (a) Diaphragm gets contracted, area of rib cage increases. (b) Diaphragm is pulled downwards, area of rib cage increases. (c) Diaphragm gets contracted, area of rib cage reduces. (d) Diaphragm is pulled downwards, area of rib cage decreases. 5. One molecule of lipid produced how many ATP (a)12 ATP (B) 15 ATP (C) 32 ATP (D) 17 ATP 6. The lining of second ascending part of Henle’s loop is made up of which type of cells ? (a)Flat epithelial cells (b)Couboidal epithelium (c)Collumnalar epithelial cells (d)Ciliated epithelial cells 7. State the function of Trypsin (a) Proteoses + peptones polypeptides + Amino acids (b) Proteoses + peptones smaller polypeptides (c) Proteoses + peptones Amino acids (d) Polysaccharides Disaccharides 8. Voluntary action of .......... initiates swallowing. (a) pharynx (b) mouth (c) tongue (d) stomach 9. Assertion : For formation of one molecule of glucose 6 turns of Calvin cycle are required. Reason : For formation of one molecule of glucose, 18 ATP and 12 NADPH molecules are required. (a) If 'A' and 'R' are true and 'R' is the correct explanation of 'A'. (b) If 'A' and 'R' are true and 'R' is not the correct explanation of 'A'. (c) 'A' is true but 'R' is false. (d) Both 'A' and 'R' are false. 10. What is secreted by "A" in the following figure ? (a) Bicarnonate solution (b) Inactive pepsinogen (c) Intestinal juice (d) Renin 11. Examing vertical section of kidney we find an outer dark red zone (a)Renal medulla. (b)Renal cortex. (c)Renal pelvis. (d)Calyces. 12. Which of the following is not an importance of Krebs' cycle? (a) Provides pathway for synthesis of ATP. (b) Provides a pathway for complete breakdown of glucose. (c) Various carbon-complexes formed during this cycle. (d) During this process amino acids, nucleotide, chlorophyll and hemoglobin are synthesized. 13. Assertion : Gas exchange continues non stop in the lungs even during exhalation. Reason : Lung has residual air. (a) If both 'A' and 'R' are true and 'R' is the correct explanation of 'A'. (b) If both 'A' and 'R' are true and 'R' is not the correct explanation of 'A'. (c) 'A' is true but 'R' is false. (d) Both 'A' and 'R' are false. 14. Match the column. Column-I Column-II (1) Ion channel (p) Donnan Equilibrium (2) Soil solution and cell wall (q) Mass flow (3) Suction pressure (r) Diffusion (4) Inner and outer surface of cell membrane (s) Active absorption (5) Ion-carrier complex (t) Ion exchange (a) 1-r, 2-t, 3-q, r-p, 5-s (b) 1-s, 2-t, 3-q, 4-p, 5-r (c) 1-s, 2-q, 3-p, 4-t, 5-r (d) 1-q, 2-p, 3-t, 4-r, 5-s 15. In given chart which alphabate contain acid having two carbon molecules? 1. (a) M.No. : 09898715582, E-mail: [email protected] Page 1 Dr. AASHISH H. PANCHAL (M.Pharm., Ph.D.) TRISHA INSTITUTE OF BIOLOGY GSEB/CBSE/ISC/NEET COMPLETE BIOLOGY SOLUTION (a) B (b) F (c) C (d) D Robert hill demonstrated that 02 released into atmosphere comes from water, thus modifying the equation of photosynthesis as ........... (a) 2H2O + CO2 O2 + (CH2O) + H2O (b) CO2 + H2O (CH2O) + O2 (c) 6CO2 + 12 H2O C6H12O6 + 6H2O + 6O2 (d) C6H12O6 + 6H2O + 6O2 6CO2 + 12H2O 17. Respiration can be defined as (a) A catabolic process by which animal cells utilise carbon dioxide, produce oxygen and convert the released energy to ATP (b) A catabolic process by which animal cells utilise oxygen, produce carbon dioxide and convert the released energy to ATP (c) An anabolic process by which animal cells utilise oxygen and carbon dioxide to form ATP (d) An anabolic process by which animal cells utilise oxygen, produce carbon dioxide and convert the released energy to ATP 18. Which of the following is caused clue to the deficiency of Potassium ? (i) Curled leaves. (ii) Blackening of terminal regions of leaves. (iii) Increase in respiratory rate. (iv) Red or purple blots on leaves. (v) Bark of trees becomes rough. (vi) Shortening of Internodes. (a) (i), (ii), (iii), (iv) and (v) (b) (i), (ii), (iii) and (iv) (c) (i), (ii), (iii) and (vi) (d) (ii), (iii), (v) and (vi) 19. Pulling force in plant body develop at the top of tree by (a) Evaporation (b) Photosynthesis (c) Transpiration (d) Absorption 20. How many molecules of RuBP are required to produce 20 molecules of serine in photorespiration ? (a) 80 (b) 60 (c) 40 (d) 20 16. NH 3 NO 2 The above mentioned reaction occurs in the presence of ........... (a) Nitrobacter (b) Nitrosomonas (c) Pseudomonas (d) Rhizobium 22. Dental formula of human being is (a) I2 , C 2 , P1 , M 3 (b) I2 , C1 , P2 , M 3 (c) (d) I3 , C1 , P2 , M 2 I2 , C 2 , P3 , M1 23. Sphygmomanometer measure (a) Nerve conduction rate (b) Heart beat rate (c) Blood pressure (d) Pulse rate 24. Synthesis of ADP + P ATP in grana is (a) phosphorylation (b) photophosphorylation (c) oxidative phosphorylation (d) photolysis 25. Ascent of sap is due to which force (a) Imbibition (b) Cellular force (c) Cohesive force (d) Atmospheric pressure 26. Which of the following helps in the absorption of water and mineral salts (a) Mycorrhiza (b) Anabaena (c) Nostoc (d) None of these 27. Dental formula is given to show (a) The structure of molars (b) Number and types of teeth in both jaws (c) Homodont condition (d) Diphyodont condition 28. Photolysis of water during photosynthesis is induced by ........... (a) Copper (b) Zinc (c) Boron (d) Manganese 29. During Oxidative Phosphorylation, how many molecules of ATP are produced from 3 molecules of NADH2 and 2 molecules of FADH2 ? (a)12 and 6 (b) 6 and 4 (c) 6 and 2 (d) 9 and 4 30. The main region of the alimentary canal in which digested food is absorbed (a) The oesophagus (b) The stomach (c) The small intestine (d) The caecum and appendix 31. How many protons are released by photolysis of 12 H2O ? (a) 24 H+ (b) 48 H+ (c) 12 H+ (D) 6 H+ 32. The cell is fully turgid when (a) DPD = TP (b) OP = DPD (c) DPD = SP (d) DPD = zero 21. M.No. : 09898715582, E-mail: [email protected] Page 2 Dr. AASHISH H. PANCHAL GSEB/CBSE/ISC/NEET (M.Pharm., Ph.D.) TRISHA INSTITUTE OF BIOLOGY COMPLETE BIOLOGY SOLUTION Photosynthetic pigments occurs in (a) Thylakoid loculus (b) Thylakoid membrane (c) Matrix (d) Plastoglobules 34. In a fully turgid cells, the values of DPD, OP and TP will show the tendency (a) DPD = 10 atm, OP = 15 atm, TP = 5 atm (b) DPD = 5 atm, OP = 12 atm, TP = 7 atm (c) DPD = 2 atm, OP = 7 atm, TP = 5 atm (d) DPD = 0 atm, OP = 15 atm, TP = 15 atm 35. The method in which a ketoglutaric acid reacts with NH3 to form glutamic acid, is known as .......... (a) Transamination (b) Reductive amination (c) Deamination (d) Protein Synthesis 36. Pale green leaves with rolled margins, is caused due to the deficiency of ............ (a) Boron (b) Iron (c) Chlorine (d) Molybdenum 37. To initiate cell plasmolysis, the salt solution should be (a) Isotonic (b) Hypertonic (c) Hypotonic (d) None of the above 38. Which organism from the following is not ammonotelism? (a)Aquatic insects (b)Bony fishes (c)Marine fishes (d)Tadpole 39. Assertion: Hydrochloric acid does not digest the stomach wall. Reason: Hydrochloric acid is unable to denature the proteins. (a) Both (A) and (R) are true and the (R) is the correct explanation of the (A) (b) Both (A) and (R) are true but the (R) is not the correct explanation of the (A) (c) (A) is false statement but (R) is true 40. Soil acts as a reservoir source of nutrients for the plants but the soil itself is not required for their growth, so the essential nutrients, as -introduced to the growth of plants artificially in a water medium, it is called .... (a) Hydroponic (b) Aeroponic (c) Chemical culture (d) Soil culture 41. Respiratory quotient (R.Q.) is 33. (a) CO 2 O2 (b) O2 CO 2 (c) N2 CO 2 (d) CO 2 N2 Which one of the following is least effective in photosynthesis ? (a) Sunlight (b) Blue light (c) Red light (d) Green light 43. There is a membrane covering the lungs, called (a) Peritonium (b) Pleura (c) Pericardium (d) Duramater 44. When a fish of marine water kept in fresh water then it will die due to (a) Endosmosis (b) Exosmosis (c) Imbibition (d) Isotonic solution 45. The aerobic respiration yields [MHCET 2002] (a) 8NADH2, 2FADH2, 2ATP (b)10NADH2, 2FADH2,38ATP (c)12NADH2, 30ATP, H2O (d)10NADH2, 2FADH2, 2GTP, 2ATP 46. During osmosis, water moves through a membrane FROM TO (a) Low water potential High water potential (b) High solute concen Low solute concen. (c) High osmotic potential Low osmotic potential (d) A hypotonic solution (less solute) A hypertonic solution (more solute) 47. Water potential in the leaf cells is positive during ………. (a) excess transpiration (b) low transpiration (c) excessive absorption (d) guttation 48. None of theseHow much GFR in a healthy individual? (a)150 ml/minute (b)125 ml/minute (c)75 ml/minute (d)175 ml/minute 49. In mammals, the tracheal cartilaginous rings are (a) Complete rings (b) Incomplete rings (c) Incomplete dorsally (d) Incomplete laterally 50. NADP+ is reduced to NADPH in (a) PS I (b) PS II (c) calvin cycle (d) non-cyclic photo phosphorylation 51. A: Left ventricle of heart has a thinner wall than that of the right ventricle. R: Left ventricle needs to pump blood to nearby lungs only. (a) If 'A' and 'R' both are true, and 'R' is the correct explanation of 'A'. (b) If 'A' and 'R' both are true, and 'R' is not the correct explanation of 'A'. (c) 'A' is true but 'R' is false. (d) Both 'A' and 'R' are false. 52. How many PGA is formed after completion of 12 molecule of RuBP used in Photorespiration (a) 12 (b) 24 (c) 18 (d) 06 53. Mitral valve in mammals guards the opening between (a) Stomach and intestine (b) Pulmonary vein and left auricle (c) Right auricle and right ventricle (d) Left auricle and left ventricle 54. Which of the following elements is responsible for maintaining turgor pressure ? 42. M.No. : 09898715582, E-mail: [email protected] Page 3 Dr. AASHISH H. PANCHAL (M.Pharm., Ph.D.) TRISHA INSTITUTE OF BIOLOGY GSEB/CBSE/ISC/NEET COMPLETE BIOLOGY SOLUTION (a) Sodium (b) Potassium (c) Calcium (d) Magnesium 55. Lacteals are central lymph vessels which are found in (a) Liver (b) Pancreas (c) Villi (d) Spleen 56. Assertion : During glycolysis only 2 molecules of ATP only are finally obtained. Reason : Glycolysis takes place in the matrix of mitochondria. (a) If both 'A' and 'R' are true and 'R' is the correct explanation of 'A'. (b) If both 'A' and 'R' are true and 'R' is not the correct explanation of 'A'. (c) 'A' is true but 'R' is false. (d) Both 'A' and 'R' are false. 57. Which is correct about veins (a) Valves are absent (b) Carry blood towards heart (c) Always carry oxygenated blood (d) Always carry deoxygenated blood 58. The partial pressure of oxygen in the alveolar air is about (a) 50 mm Hg (b) 104 mm Hg (c) 150mmHg (d) 200mmHg. 59. one individual take in more proportion protein in his diet, what is excreted in more proportion in his urine? (a)Urea. (b)Uric acid (c)NH3 (d)Water and salts. 60. The two enzymes responsible for primary carboxylation in C3 and C4 plants, respectively are (a) RuBP carboxylase and pyruvate carboxylase (b) PEP carboxylase and RuBP carboxylase (c) RuBP carboxylase and PEP carboxylase (d) PEP carboxylase and pyruvate carboxylase 61. Pulmonary artery drains the deoxygenated blood from (a) Right atrium (b) Right ventricle (c) Left atrium (d) Left ventricle 62. Plant cooling is due to ....... (a) guttation (b) photorespiration (c) assimilation (d) transpiration 63. All are the disease of lungs except (a) Asthama (b) Bronchitis (c) Encephalitis (d) Pneumonia 64. Which of the following shows correct pairing for salivary glands in man (a) Parotid Wharton's duct; submaxillary duct of Stensen; sublingual duct of Rivinu (b) Parotid duct of Bartholin; submaxillary duct of Stensen; sublingual Wharton's duct (c) Parotid duct of Bartholin; submaxillary Wharton's duct; sublingual duct of Stensen (d) Parotid duct of Stensen; submaxillary Wharton's duct; sublingual duct of Bartholin 65. Assertion : Ascent of sap is the upward movement of water in plants. Reason : Ascent of sap is observed even in those plants in which roots are removed. (a) If 'A' and 'R' are true and 'R' is the correct explanation of 'A'. (b) If 'A' and 'R' are true and 'R' is not the correct explanation of 'A'. (c) 'A' is true but 'R' is false. (d) Both 'A' and 'R' are false. 66. Blood passes through a sequence of valves after entering in heart through vena cava is : (a) Bicuspid valve arterial semilunar valve tricuspid valve pulmonary semilunar valve (b) Bicuspid valve pulmonary semilunar valve tricuspid valve arterial semilunar valve (c) Tricuspid valve pulmonary semilunar valve bicuspid valve aortic semilunar valve. (d) Tricuspid valve aortic semilunar valve bicuspid valve pulmonary semilunar valve 67. It controls the concentration of urine (a)Vasopressin (b)Aldosterone (c)Insulin (d)Adrenaline 68. Number of ATP molecules formed during aerobic respiration due to breakdown of glucose molecules is (a)38 (b) 18 (c) 28 (d) 4 69. Intrinsic and Extrinsic pathways are part of which phase of blood clotting ? (a) Phase in which fibrin is formed. (b) Phase in which thromboplastin is formed. (c) Phase in which thrombin is formed. (d) Phase in which soft clot is converted to hard clot. 70. Which of the following secretions associated with digestion does not have enzymes? (a) Bile (b) Gastric juice (c) Saliva (d) Pancreatic juice 71. The thickening of walls of arteries are called (a) Arthritis (b) Atherosclerosis (c) Arteriosclerosis (d) Both (a) and (b) 72. Identify the odd one: (a) Neutrophils (b) Basophils (c) Eosinophils (d) Lymphocytes 73. Which ones are absorbed in the alimentary canal without any breakdown? (a) Proteins (b) Polysaccharides (c) Fat soluble vitamins (d) Albumin of egg 74. Kidney failure can occur due to ........... (a) bacterial toxins (b) drug reaction (c) tubular injury (d) All of the above M.No. : 09898715582, E-mail: [email protected] Page 4 Dr. AASHISH H. PANCHAL (M.Pharm., Ph.D.) TRISHA INSTITUTE OF BIOLOGY In which large duct many collecting ducts joins ? (a)Bartini (b) Bellini (c)Renal pyramid 76. Which type of reaction is shown in the following diagram? GSEB/CBSE/ISC/NEET COMPLETE BIOLOGY SOLUTION 75. (d)None of these (a) Ammonification (b) Nitrification (c) Nitrogen fixation (d) Denitrification 77. In arthropoda respiratory pigment is (a) haemoglobin (b) haemocyanin (c) haemoerythrin (d) all of the above. 78. If RQ is less than 1, then the substrate ........... (a) needs more O2 for respiration (b) needs less O2 for respiration (c) O2 is not used for its respiration (d) substrate has more O2 in its constitution 79. How many molecules of ATP are produced through oxidative phosphorylation of one mole of glucose of NADH2 and FADH2 produced during the processes of glycolysis and Kreb's cycle respectively? (a)2 and 28 (b) 4 and 28 (c) 6 and 30 (d) 6 and 22 80. Choose the correct statement/s for regulation of cardiac activity. (i) There is a nervous as well as hormonal control for cardiac activity. (ii) AV-node is known as 'pacemaker'. (iii) The heart is known as myogenic. (a) Only (i) and (ii) (b) Only (ii) and (iii) (c) Only (i) and (iii) (d) Only (i) 81. Assertion : Denitrification is the conversion of N2 to NO3Reason: Plants can absorb atmospheric nitrogen directly. (a) If 'A' and 'R' both are true, and 'R' is the correct explanation of 'A'. (b) If 'A' and 'R' both are true, and 'R' is not the correct explanation of 'A'. (c) 'A' is true but 'R' is false. (d) Both 'A' and 'R' are false. 82. Which of the following is called coenzyme Q ? (a) Ubiquinone (b) Cytochrome (c) Ferodoxin (d) Cytochrome oxidase 83. Conversion of pyruvic acid to acetyl Co A is called (a) Glycolysis (b) Fermentation (c) Respiratory chain (d) Oxidative decarboxylation 84. Asthama is a respiratory disease caused by[DPMT 1985] (a) Infection of trachea (b) Infection of lungs (c)Bleeding into pleural cavity (d) Spasm in bronchial muscle 85. Blood flows partly through vessels and partly through free haemocoelic space. Such type of circulation is called (a) Closed circulation (b) Open circulation (c) Arterial circulation (d) Cardiac circulation 86. The following chart shows the second phase of photosynthesis. What does "A" and "S" represent? (a) A-Ribulose B-Kreb's cycle. (b) A-Ribulose phosphate B-Glycolysis. (c) A-Ribulose phosphate B-Pentose phosphate pathway. (d) A-Ribulose biphosphate B-Calvin cycle. 87. Which of the following hormone stimulates the secretion of gastric juice (a) Secretin (b) Gastron (c) Cholecystokinin (d) Gastrin 88. Which of the following is a repolarization wave QRS (a) P (b) T (c) (d) None of these 89. Anti-diuretic hormone (ADH) (a)Increases water reabsorption M.No. : 09898715582, (b)Increases water release E-mail: [email protected] Page 5 Dr. AASHISH H. PANCHAL (M.Pharm., Ph.D.) TRISHA INSTITUTE OF BIOLOGY GSEB/CBSE/ISC/NEET COMPLETE BIOLOGY SOLUTION (c)Increases Na+ absorption (d)Decreases urea synthesis 90. In Paramecium, what is the function of cilia ? (a) Locomotion (b) Movement of food through cytopharynx (c) Capturing its prey (d) Both (a) and (b) 91. Which of the following pairs of reactions occurs most frequently in the blood surrounding the structure shown? (a) Hb O2 HbO2 and Hb H HHb (c) H Hb Hnb and H 2CO3 HCO3 H (b) HbO2 Hb O2 and Hb H HHb (d) CO2 H2O H2CO3 and H 2CO3 HCO3 H Which movement needs perfect arrangement, interaction and coordination of nervous, muscular and skeletal system of body ? (a) Amoeboid movement (b) Muscular movement (c) Flagellary movement (d) Ciliary movement 93. Match the following. Column-A Column-B (a) (1) -- (c); (2) -- (b); (3) -- (a) (b) (1) -- (b); (2) -- (c); (3) -- (a) (1) Striated muscles (a) Intercalated discs (c) (1) -- (a); (2) -- (c); (3) -- (b) (2) Smooth muscles (b) Transverse stripes (d) (1) -- (b); (2) -- (a); (3) -- (c) (3) Cardiac muscles (c) Spindle shaped fibres 94. What is seen at the centre of H-zone ? (a) Z-line (b) I-line (c) M-line (d) A-line 95. What does a sarcomere consist of ? (a) A-band in the centre and half H-band on in the centre (b) Only A-band (c) Only I-band (d) A-band in the centre and half I-band on both the sides 96. What is Tropomyosin ? (a) Rod shaped fibrous protein (b) Small globular protein (c) Small linear polypeptide (d) Small secondary protein molecule 97. What is head and tail of each myosin ? (a) LMM and HMM (b) HMM and LMM (c) MMM and LMM (d) TMM and LMM 98. With the help of which, skull articulates with the superior region of vertebral column ? (a) Occipital condyles (b) Temporal condyles (c) Frontal condyles (d) Parietal condyles 99. Name the bone of upper arm ? (a) Humerus (b) Femur (c) Radius (d) Ulna 100. In fibrous / fixed / immovable joints, sutures are formed by ........... (a) yellow elastic fibres (b) strong white collagen fibres (c) White fibro cartilage (d) ligament 92. M.No. : 09898715582, E-mail: [email protected] Page 6