Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
SBI 3U1 BIOLOGY 1 2.5 hours are allotted for this examination: 60 minutes for Section I, consisting of 60 multiple choice questions, and 90 minutes for Section II, consisting of four free-response questions. For both sections, the questions are not in order of difficulty. You are expected to pace yourself, and provide sufficient explanation for your answers in Section II. You may use a periodic table or a scientific calculator, if needed. Choose the best following answer for Section I. SECTION I Time – 60 minutes Number of questions – 60 Total marks – 60 1. Which of the following is a unicellular eukaryote? A. protozoa B. bacteria C. viruses D. animals E. 3. plants The processes illustrated in the models above all result in which of the following? A. Transcription H + + HCO3- « H 2O+ CO2 2. The equation above shows one of the B. An increase in genetic variation C. An increase in the chromosome number reversible reactions that occur in blood. After exercise, an athlete’s blood pH has D. Horizontal gene transfer dropped below the normal level. How will E. Base-pair substitution normal blood pH be restored? A. An increase in O2 concentration in the B. C. All of the following organs are vestigial plasma will lead to an increase in H+ EXCEPT the: concentration. A. male nipples. An increase in temperature will lead to B. appendix. an increase in H+ concentration. C. body hair. An increase in sweating will lead to a D. wisdom teeth. decrease in OH- and H+ concentration. E. D. An increase in breathing rate will lead to a decrease in blood CO2 and H+ concentration. E. 4. None of the above. interstitial fluid. SBI 3U1 BIOLOGY 2 6. A student in a biology class crossed a male Drosophila melanogaster having a gray body and long wings with a female D. melanogaster having a black body and apterous wings. The following distribution of traits was observed in the offspring. 5. Phenotype # of offspring Gray body, long wings 42 To determine the evolutionary history and Black body, apterous wings 41 relationships among organisms, scientists Gray body, apterous wings 9 gather evidence from wide variety of Black body, long wings 8 sources including paleontology, embryology, morphology, behaviour, and Which of the following is supported by the molecular biology. A phylogenetic tree of data? vertebrates is shown. Which of the A. The alleles for gray body and long wings following statements is most consistent are dominant. with the phylogenetic tree shown? B. A. Birds and turtles evolved their own are recessive. means of gas exchange independently C. of the other vertebrates. B. C. The alleles for gray body and long wings The alleles for black body and apterous wings are co-dominant. Mammals are most closely related to D. Genes for the two traits are located on birds because they share a direct two different chromosomes, and common ancestor. independent assortment occurred. The common ancestor of reptiles, birds, E. and mammals, produced amniotic eggs. Genes for the two traits are located close together on the same D. Crocodiles are direct descendants of chromosome, and crossing over ray-finned fishes since they live in the occurred between the two gene loci. same environment. E. All of the above. 7. Cellular material is transported through the: A. nucleus. B. endoplasmic reticulum. C. Golgi body. D. cell membrane. E. vacuole. SBI 3U1 8. BIOLOGY Trypsinogen is converted into its active 3 11. Which of the following simple organisms form, trypsin, to help with complete use flagella to create a continuous current digestion of food. This process takes place of water that passes through pores in the in the: body wall, which then exits through large A. duodenum. openings at its top? B. pancreas. A. cnidaria. C. jejunum. B. porifera. D. ileum. C. nematoda. E. D. rotifera. hilum. E. 9. mammalia. The general pathway of digestion is described as: A. mouth, esophagus, stomach, large intestine, small intestine, colon, rectum. B. C. mouth, esophagus, stomach, colon, small intestine, large intestine, colon, size of their dividing regions. Which of the rectum. following sequences of terms, in order, mouth, esophagus, stomach, small corresponds to the first, second, and third intestine, large intestine, rectum. type of blood vessel depicted above? D. mouth, esophagus, stomach, small E. 12. Blood vessels can be categorized into the A. capillaries, venules, veins. intestine, colon, large intestine, rectum. B. capillaries, arterioles, arteries. mouth, esophagus, stomach, large C. venules, veins, capillaries. intestine, small intestine, colon. D. arteries, arterioles, capillaries. E. aorta, arteries, arterioles. 10. Which of the following is NOT a genetic abnormality? 13. Which of the following is the resulting A. monosomy. nucleotide sequence after a base-pair B. trisomy substitution to the sequence of: C. base-pair substitution TAC GCA TGG AAT? D. insertion A. TAC GA TGG AAT E. B. TAC GCA TGGC AAT C. TAC GCA TGG AAT None of the above. D. TAC GTA TGG AAT E. None of the above. SBI 3U1 BIOLOGY 4 14. After blood passes through the superior vena cava, it enters the right atrium. Which of the following does the blood pass through immediately after the right atrium? A. semilunar valve. B. bicuspid valve. C. tricuspid valve. D. chordae tendinae. E. right ventricle. 17. In the pedigree above, circles represent females, squares represent males, and shaded figures represent individuals expressing a specific trait. The expression of this trait is most likely due to which of the following? 15. All of the following statements about lung capacity are true EXCEPT: A. inspiratory reserve volume + tidal volume + expiratory reserve volume = vital capacity B. A. Sex-linked dominant inheritance B. Sex-linked recessive inheritance C. Autosomal dominant inheritance D. Autosomal recessive inheritance E. total lung capacity – residual volume = A co-dominant relationship of a single pair of alleles vital capacity C. inspiratory reserve volume + expiratory reserve volume + tidal volume + residual volume = total lung capacity D. vital capacity + tidal volume = total lung capacity E. Questions 18-21 refer to the following genetic crosses, in which R and T represent dominant alleles and r and t represent recessive alleles for two genes that are located on different chromosomes. All of the above. A. ttrr x ttrr 16. Which of the following is NOT a factor affecting diffusion and permeability? A. temperature B. size C. shape D. moisture E. B and C B. TtRr x TtRr C. TTRr x TtRR D. TtRr x ttrr E. TtRr x ttRr 18. Offspring from this cross are expected to exhibit a 1:1:1:1 phenotypic ratio. 19. Offspring from this cross are expected to exhibit a 3:3:1:1 phenotypic ratio. 20. All offspring from this cross are expected to exhibit both dominant traits. SBI 3U1 BIOLOGY 21. This cross is an example of a dihybrid cross in which both parents are heterozygous. 5 24. An electric impulse at which location signifies the start of the heartbeat? A. sinoatrial node 22. Which of the following statements best B. atrioventricular valve explains why oxygen is taken up more C. bicuspid valve rapidly at 12°C than at 20°C? D. superior vena cava A. Oxygen is more soluble in blood at E. aorta lower temperatures. B. C. At 12°C, a higher rate of oxygen 25. DNA replication occurs: consumption is required to maintain a A. during the S phase of the cell cycle. high body temperature. B. In colder temperatures, more heat is as the nuclear envelope breaks down in early mitosis. lost at the surface of the skin and the C. heat is replaced by deeper breathing. D. in animal cells but not in plant cells. D. Oxygen is taken up more rapidly E. because of the greater expansion of the during mitosis but not meiosis. only in cells destined to become gametes. lungs caused by the loss of heat. E. The loss of body heat causes muscles to relax and require more oxygen. 26. An allele on the X chromosome is responsible for the recessive trait of redgreen color blindness in humans. The 23. A group of people whose ancestors daughter of a woman who is color-blind has immigrated to North America 200 years ago normal vision and marries a man who is have certain allele frequencies that differ color-blind. This couple has a son; what is significantly from those in surrounding the probability that the son will be color- populations in the United States. Which of blind? the following is the most likely explanation A. 0 for the difference in allele frequencies? B. 1/4 A. Mutation C. 1/2 B. Independent assortment D. 3/4 C. Reproductive isolation E. D. Sex linkage E. Gametic isolation 1 SBI 3U1 BIOLOGY 6 Questions 27-29 refer to the following Questions 32-37 refer to the following pathogens. subcategories of Archaea. Match the following human diseases with the pathogen that causes it. The same answer can be A. methanogens B. halophiles C. thermoacidophiles used more than once. A. bacteria D. thermophiles B. viruses E. C. fungi sulfolobales D. protists 27. Thrive in highly ionic (salty) environments. E. prions 28. Thrive in hot environments. 29. Thrive in highly carbonic environments. 32. Ring worm 33. Tooth decay 30. Which of the following human diseases is 34. Cold sore caused by a fungus? 35. Yeast infection A. West Nile 36. Malaria B. lupus 37. Mad Cow Disease C. yeast infection D. athlete’s foot E. C and D 38. Homologous chromosomes move toward opposite poles of a dividing cell during: A. mitosis. 31. There are many branches of biology dealing B. meiosis I. with the separate complexities of living C. meiosis II. systems. Morphology, for example, is the D. fertilization. study of outward traits and genetic E. independent assortment. expressions of eukaryotes. The study of biology dedicated to the study of mechanisms within the body is called: 39. Meiosis II is similar to mitosis in that: A. sister chromatids separate during A. molecular biology anaphase. B. anatomy B. DNA replicates before the division. C. histology C. the daughter cells are diploid. D. physiology D. homologous chromosomes synapse. E. E. phylogeny None of the above. SBI 3U1 BIOLOGY 7 40. Blood returning to the mammalian heart in 44. Which of the following would increase the a pulmonary vein drains first into the: rate of heat between an animal and its A. left atrium. environment? B. right atrium. A. feathers or fur C. left ventricle. B. vasoconstriction D. left atrium. C. wind blowing across the body surface E. D. vasodilation A and B E. countercurrent heat exchanger 41. If a molecule of carbon dioxide released into the blood in your left toe is exhaled 45. Fat digestion yields fatty acids and glycerol, from your nose, it must pass through all of whereas protein digestion yields amino the following EXCEPT: acids. Both digestive processes: A. the pulmonary vein. A. occur inside cells in most animals. B. the trachea. B. add a water molecule to break bonds. C. the right atrium. C. require a low pH resulting from HCl D. the right ventricle. E. the bronchioles. production. D. consume ATP. E. None of the above. 42. Compared with a smaller cell, a larger cell of the same shape has: 46. After surgical removal of an infected A. less surface area. gallbladder, a person must be especially B. less surface area per unit of volume. careful to restrict dietary intake of: C. the same surface area to volume ratio. A. starch. D. a smaller cytoplasm to nucleus ratio. B. protein. E. C. sugar. a larger cytoplasm to nucleus ratio. D. fat. 43. Both viruses and prokaryotes contain: A. nucleic acids. B. ribosomes. C. a plasma membrane. D. a protein coat. E. a peptidoglycan wall. E. water. SBI 3U1 BIOLOGY 8 Questions 47-48 refer to the following graph of an Questions 49-51 refer to the following pedigree. immune response. Filled boxes or filled circles indicate the inheritance of a biochemical disorder. 49. The disorder illustrated in the pedigree is probably inherited as: 47. The action of the immune system at day 5 is A. an autosomal dominant allele. most likely in response to the introduction B. an autosomal recessive allele. of: C. an X-linked dominant allele. A. an antibiotic. D. an X-linked recessive allele. B. an antigen. E. C. an antibody. D. an immunoglobulin. E. a macrophage. a Y-linked dominant allele. 50. The best explanation for the inheritance of the disorder in individual F is that she received: 48. If the immune responses at day 5 and day A. an allele for the disorder only from her 30 are reactions to the same substance, the likely source of antibodies at day 30 are: mother. B. A. T cells. B. erythrocytes. C. leukocytes. D. macrophages. E. an allele for the disorder only from her father. C. alleles for the disorder from both parents. D. two alleles for the disorder form her None of the above. mother. E. two alleles for the disorder from her father. SBI 3U1 BIOLOGY 51. Which of the following is the probability of 9 55. Which of the following is the dominant the disorder appearing in the next offspring reaction as blood flows through the from D and E? pulmonary capillaries? Note that Hb = A. 0% hemoglobin. B. 25% A. H 2CO3 ® H + + HCO3 C. 50% B. H 2O+ CO2 ® H 2CO3 C. Hb+ 4CO2 ® Hb(CO2 )4 D. Hb(O2 )4 ® Hb+ 4O2 E. Hb+ 4O2 ® Hb(O2 )4 D. 75% E. 100% Questions 52-53 refer to the following. A. angiosperms 56. In peas, a dominant allele (R) produces a B. gymnosperms round pea shape, and a recessive allele (r) C. ferns produces a wrinkled shape. At a second D. green algae locus on a different chromosome, a E. dominant allele (Y) produces yellow seeds, mosses and a recessive allele (y) produces green 52. The development of seeds is not protected inside an ovary. 53. Vascular seed plants in which the egg is seeds. If a cross between two pea plants produces ¼ wrinkled seeds and ½ yellow seeds, which of the following represents the fertilized and develops in an enclosed parental genotypes? hollow ovary. A. RRYY x rryy 54. Which of the following is correct about B. RrYy x rryy C. RrYy x Rryy diastolic blood pressure? D. RrYy x RrYy A. It is generated by contraction of the E. ventricles. B. It is measured in the veins. C. It is the pressure determined using a sphygmomanometer that is recorded when the sounds lub-DUBB disappear. D. It is measured in Pascals. E. It increases as an individual becomes more physically fit. Rryy x Rryy SBI 3U1 BIOLOGY 57. Which of the following is true for fungi and 10 60. How many chromosomes would be present archaea? in each daughter cell at the end of A. Their cells are bounded by a wall made telophase II of meiosis? B. C. of peptidoglycan. A. 2 Their cells lack a membrane-bounded B. 4 nucleus. C. 8 They are all autotrophic. D. 16 D. They are all parasites. E. E. 32 Each group belongs to a different domain. 58. All of the following are effective in lowering body temperature in mammals EXCEPT: A. large ears. B. sweating. C. panting. D. decreased muscular activity. E. decreased blood flow to extremities. 59. A man and a woman have blood types A and B respectively. Both have one parent with O blood type. What is the probability that the man and woman have a child with O blood type? A. 0% B. 25% C. 50% D. 75% E. 100% STOP. END OF SECTION I. SBI 3U1 BIOLOGY 11 SECTION II Time – 90 minutes Number of questions – 4 Total marks – 40 Directions: Questions 1 and 2 are long free-response questions that are worth 12 marks each. Questions 3 and 4 are short free-response questions that are worth 8 marks each. Read each question carefully and completely. You are responsible for timing yourself in each question. Write your response in the space provided. Answers must be written in paragraph form. Outlines, bulleted lists, or diagrams alone are not acceptable unless otherwise stated. 1. Maintenance of glucose levels, digestion, and the overall role of the pancreas has been intensively studied in humans. A) Pancreatic enzymes help regulate and facilitate digestion of carbohydrates, lipids, and proteins. Identify THREE pancreatic enzymes that aid in digestion. B) For the three enzymes that you identified in A), identify which one aids in digestion of: Complex polysaccharides Lipids Proteins C) Identify THREE other excretions or enzymes that aid in digestion found anywhere else in the digestive system. D) Explain how each of the following disorders affects the function of the digestive system as a whole, as well as further complications that can arise from these disorders. Pancreatitis Crohn’s Disease Reverse peristalsis (emesis) SBI 3U1 BIOLOGY 12 ANSWER PAGE FOR QUESTION 1 _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ SBI 3U1 BIOLOGY 13 ADDITIONAL ANSWER PAGE FOR QUESTION 1 _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ SBI 3U1 BIOLOGY 14 ADDITIONAL ANSWER PAGE FOR QUESTION 1 _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ SBI 3U1 2. BIOLOGY 15 In fruit flies, the phenotype for eye colour is determined by a certain locus. E indicates the dominant allele and e indicates the recessive allele. The cross between a male wild-type fruit fly and a female white-eyed fruit fly produced the following offspring. The wild-type and white-eyed individuals from the F1 generation were then crossed to produce the following offspring. Wild-type male Wild-type female White-eyed male White-eyed female Brown-eyed female F1 0 45 55 0 1 F2 23 31 22 24 0 A) Determine the genotypes of the original parents (P generation) and explain your reasoning. Use Punnett squares to enhance your description and discuss the results of the Punnett squares in your answer. B) The brown-eyed female in the F1 generation resulted from a mutational change. Explain what a mutation is, and discuss and define the THREE types of mutations that might have produced the brown-eyed female in the F1 generation. C) Explain how each of the following concepts could have contributed to the production of the offspring mentioned above. You may reference to any point or piece of information in the chart to support your answer. Meiosis Independent assortment Crossing over _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ SBI 3U1 BIOLOGY 16 ADDITIONAL ANSWER PAGE FOR QUESTION 2 _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ SBI 3U1 BIOLOGY 17 ADDITIONAL ANSWER PAGE FOR QUESTION 2 _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ SBI 3U1 BIOLOGY 18 ADDITIONAL ANSWER PAGE FOR QUESTION 2 _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ SBI 3U1 3. BIOLOGY 19 For each of the following pairs of terms, describe how one is related to, causes, or is affected by the other. DNA replication, meiosis Breathing, blood alkalinity Motility, pseudopods Sinoatrial node, aerobic cellular respiration _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ SBI 3U1 BIOLOGY 20 ADDITIONAL ANSWER PAGE FOR QUESTION 3 _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ SBI 3U1 BIOLOGY 21 ADDITIONAL ANSWER PAGE FOR QUESTION 3 _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ SBI 3U1 BIOLOGY 22 ADDITIONAL ANSWER PAGE FOR QUESTION 3 _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ SBI 3U1 4. BIOLOGY 23 The vital aspects in the life of a Protista are water, food, and motility. A) Explain whether the Paramecium is a protozoa or not. Then, identify the role each of the following plays in its daily life: Oral groove Cilia Pellicle B) Explain whether the Euglena is a protozoa or not. Then, identify the role each of the following plays in its daily life: Chloroplast Flagellum Water vacuole C) Compare and contrast the two processes of photosynthesis and aerobic cellular respiration. Indicate the chemical equation of cellular respiration in your answer. _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ SBI 3U1 BIOLOGY 24 ADDITIONAL ANSWER PAGE FOR QUESTION 4 _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ SBI 3U1 BIOLOGY 25 ADDITIONAL ANSWER PAGE FOR QUESTION 4 _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ SBI 3U1 BIOLOGY 26 ADDITIONAL ANSWER PAGE FOR QUESTION 4 _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ SBI 3U1 BIOLOGY STOP END OF EXAM 27