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B (2) and (3) only. A (3) only. C (2), (3) and (4) only. D (2), (3). (4) and (6) only. 16. Which labelled part(s) of the digestive system produce(s) (3) enzymes for the digestion of carbohydrates? A (1) only B (5) only

B (2) and (3) only. A (3) only. C (2), (3) and (4) only. D (2), (3). (4) and (6) only. 16. Which labelled part(s) of the digestive system produce(s) (3) enzymes for the digestion of carbohydrates? A (1) only B (5) only

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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2:26 AM Fri 28 May * 72% 11041601.PDF (2) and (3) only. (3) only. C (2), (3) and (4) only. A B D (2), (3). (4) and (6) only. 16. Which labelled part(s) of the digestive system produce(s) (3) enzymes for the digestion of carbohydrates? (1) only A (5) only (5) and (6) only (1), (5) and (6) only (1) (4) (5) 17. Which of the following are the functions of organ (1)? (1) It stores iron and vitamins. (2) -(6) (2) It breaks down old red blood cells. (3) It produces lipases for the digestion of lipids. (1) and (2) only A B (1) and (3) only C (2) and (3) only D (1), (2) and (3) Questions 18 and 19 refer to the diagrams below, which show four types of teeth and their positions in the lower jaw of a young adult. 18. With reference to the above diagrams, which of the following dental formulae correctly describes the dentition of the individual? 223 2122 2123 2212 A B C D 223 2122 2123 2212 (3) (4) (1) 19. The total number of tooth type (3) in the milk dentition is с 4. A 0. 2. D 8. 20. Which of the following statements about chemical digestion are incorrect? (1) Chemical digestion is carried out for the vitamins taken from the diet. (2) Chemical digestion increases the surface area of food. (3) Chemical digestion is not affected by changes in temperature. B (1) and (3) only (1) and (2) only C (2) and (3) only D (1), (2) and (3) Section B: Matching (4 marks, 1 mark each) For each of the digestive juices listed in column 1, select from column 2 one statement that best describes it. Put the appropriate letter in the space provided. Column 1 Column 2 a Saliva I It contains mucus and is alkaline in nature. b Gastric juice II It contains enzymes for digestion of starch, lipids and proteins. Pancreatic juice III It contains an amylase which works at a neutral medium. d Intestinal juice IV It contains a protease which works at an acidic medium. 3 Section C: Conventional questionS (25 marKST
Transcribed Image Text:2:26 AM Fri 28 May * 72% 11041601.PDF (2) and (3) only. (3) only. C (2), (3) and (4) only. A B D (2), (3). (4) and (6) only. 16. Which labelled part(s) of the digestive system produce(s) (3) enzymes for the digestion of carbohydrates? (1) only A (5) only (5) and (6) only (1), (5) and (6) only (1) (4) (5) 17. Which of the following are the functions of organ (1)? (1) It stores iron and vitamins. (2) -(6) (2) It breaks down old red blood cells. (3) It produces lipases for the digestion of lipids. (1) and (2) only A B (1) and (3) only C (2) and (3) only D (1), (2) and (3) Questions 18 and 19 refer to the diagrams below, which show four types of teeth and their positions in the lower jaw of a young adult. 18. With reference to the above diagrams, which of the following dental formulae correctly describes the dentition of the individual? 223 2122 2123 2212 A B C D 223 2122 2123 2212 (3) (4) (1) 19. The total number of tooth type (3) in the milk dentition is с 4. A 0. 2. D 8. 20. Which of the following statements about chemical digestion are incorrect? (1) Chemical digestion is carried out for the vitamins taken from the diet. (2) Chemical digestion increases the surface area of food. (3) Chemical digestion is not affected by changes in temperature. B (1) and (3) only (1) and (2) only C (2) and (3) only D (1), (2) and (3) Section B: Matching (4 marks, 1 mark each) For each of the digestive juices listed in column 1, select from column 2 one statement that best describes it. Put the appropriate letter in the space provided. Column 1 Column 2 a Saliva I It contains mucus and is alkaline in nature. b Gastric juice II It contains enzymes for digestion of starch, lipids and proteins. Pancreatic juice III It contains an amylase which works at a neutral medium. d Intestinal juice IV It contains a protease which works at an acidic medium. 3 Section C: Conventional questionS (25 marKST
2:26 AM Fri 28 May * 72% 11041601.PDF The table below shows the contents of four test tubes in the experiment. The tubes were put under different temperatures for 30 minutes. Then the pH values of the contents of each tube were measured. It is known that pancreatic lipase works best at pH 8 and around body temperature. Test tube Contents Temperature pH value after 30 minutes Peanut oil + pancreatic lipase + A 35 °C sodium hydrogencarbonate (pH 8) Peanut oil + pancreatic lipase + sodium hydrogencarbonate (pH 8) Peanut oil + pancreatic lipase + B 60 °C 8 C 35 °C 4 hydrochloric acid (pH 4) Peanut oil + pancreatic lipase + D 60 °C 4 hydrochloric acid (pH 4) a What substance caused a drop in pH value in tube A? Suggest how it was formed. (2 marks) b Which two tubes should we compare if we want to find out the effect of temperature on the activity of pancreatic lipase? What did the results show? (2 marks) Which two tubes should we compare if we want to find out the effect of pH on the activity of pancreatic lipase? What did the results show? (2 marks) 4 2. The diagram below shows sc
Transcribed Image Text:2:26 AM Fri 28 May * 72% 11041601.PDF The table below shows the contents of four test tubes in the experiment. The tubes were put under different temperatures for 30 minutes. Then the pH values of the contents of each tube were measured. It is known that pancreatic lipase works best at pH 8 and around body temperature. Test tube Contents Temperature pH value after 30 minutes Peanut oil + pancreatic lipase + A 35 °C sodium hydrogencarbonate (pH 8) Peanut oil + pancreatic lipase + sodium hydrogencarbonate (pH 8) Peanut oil + pancreatic lipase + B 60 °C 8 C 35 °C 4 hydrochloric acid (pH 4) Peanut oil + pancreatic lipase + D 60 °C 4 hydrochloric acid (pH 4) a What substance caused a drop in pH value in tube A? Suggest how it was formed. (2 marks) b Which two tubes should we compare if we want to find out the effect of temperature on the activity of pancreatic lipase? What did the results show? (2 marks) Which two tubes should we compare if we want to find out the effect of pH on the activity of pancreatic lipase? What did the results show? (2 marks) 4 2. The diagram below shows sc
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