This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 16 Digestion And Absorption – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 16 Digestion And Absorption Quiz 8 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is the reason why herbivorous animals can digest cellulose? A) Their molar and premolar teeth can crush and grind the food. B) Bacteria present in their caecum help in the digestion of cellulose. C) Gastric juice has a digestive enzyme for cellulose digestion. D) Alimentary canal is very long. Show Answer Correct Answer: B) Bacteria present in their caecum help in the digestion of cellulose. 2. Moves food from the mouth to the stomach A) Esophagus. B) Small intestine. C) Large intestine. D) Pancreas. Show Answer Correct Answer: A) Esophagus. 3. Endopeptidase and exopeptidase enzymes digest protein faster together than either on their own. What is the main reason for this? A) They have the same optimal pH. B) Endopeptidases activate exopeptidases. C) Endopeptidases provide more substrate for exopeptidases. D) Their active sites have the same charge. Show Answer Correct Answer: C) Endopeptidases provide more substrate for exopeptidases. 4. Which statement about absorption from the gastro-intestinal (GI) tract is most correct? A) The absorption of glucose is associated with sodium uptake. B) Fructose is absorbed more rapidly than glucose. C) Galactose and fructose are absorbed by the same transporter at the brush border membrane. D) Most water absorption along the GI tract occurs in the colon. Show Answer Correct Answer: A) The absorption of glucose is associated with sodium uptake. 5. Amino acids are linked together chemically to form molecules of A) Simple Carbohydrates. B) Complex Carbohydrates. C) Really Complex Carbohydrates. D) Proteins. Show Answer Correct Answer: D) Proteins. 6. Assertion:Cholagogues are substance that cause contraction of gallbladder Reason:These substances cause the release of CCK-PZ from the duodenum A) If both Assertion and Reason are true and Reason is the correct explanation of Assertion. B) If both Assertion and Reason are true but Reason is not the correct explanation of Assertion. C) If Assertion is true but Reason is false. D) If both Assertion and Reason are false. Show Answer Correct Answer: A) If both Assertion and Reason are true and Reason is the correct explanation of Assertion. 7. What is starch broken down into? A) Maltose. B) Glucose. C) Galactose. D) Fructose. Show Answer Correct Answer: A) Maltose. 8. Where does the digestion of proteins take place? A) Mouth and stomach. B) Stomach and small intestine. C) Mouth and small intestine. D) Mouth, stomach and small intestine. Show Answer Correct Answer: B) Stomach and small intestine. 9. If a patient is advised to take more meat, butter milk and eggs in his diet. The person is A) Suffering from rickets. B) Cannot see in the dark. C) Suffering from scurry. D) Suffering from Kwashiorkor disease. Show Answer Correct Answer: D) Suffering from Kwashiorkor disease. 10. Which of the following functions is not performed by secretions from salivary glands? A) Control bacterial population in mouth. B) Digestion of complex carbohydrates. C) Lubrication of oral cavity. D) Digestion of disaccharides. Show Answer Correct Answer: D) Digestion of disaccharides. 11. Egestion refers to the A) Removal of undigested food. B) Absorption of water in the large intestine. C) Movement of food from the stomach to the large intestine. D) Elimination of enzymes in the gut. Show Answer Correct Answer: A) Removal of undigested food. 12. The process by which nutrient molecules pass through the wall of your digestive system into your blood. A) Absorption. B) Digestion. C) Peristalsis. D) Villi. Show Answer Correct Answer: A) Absorption. 13. The many projections on the wall of small intestine function to- A) Secrete digestion enzymes. B) Increase the surface area. C) Hold products of digestion so they do not enter the large intestine. D) Hold mucus, so ulcers do not form. Show Answer Correct Answer: B) Increase the surface area. 14. Goblet cells of alimentary canal are modified from- A) Osteocytes. B) Compound epithelial cells. C) Squamous epithelial cells. D) Columnar epithelial cells. Show Answer Correct Answer: D) Columnar epithelial cells. 15. Which of the following is/are true of dextrinase?I. It converts glucose to dextrinsII. It can break alpha 1, 6 glycosidic bondsIII. It is secreted by the pancreas A) II only. B) I and II only. C) II and III only. D) I, II and III. Show Answer Correct Answer: C) II and III only. 16. Assertion (A)-In human gut, small intestine is the longest part of digestive system. Reason (R)-Different types of food like proteins, fats and carbohydrates are digested completely in this longest part of human alimentary canal . A) (a) Both A and R are true and R is the correct explanation of A. B) B) Both A and R are true, but R is not the correct explanation of A. C) (c) A is true, but R is false. D) (d) Both A and R are false. Show Answer Correct Answer: A) (a) Both A and R are true and R is the correct explanation of A. 17. The epiglottis covers the ..... during swallowing to prevent choking. A) Esophagus. B) Trachea. C) Ear. D) Stomach. Show Answer Correct Answer: B) Trachea. 18. The process of breaking down food into nutrient rich molecules. A) Absorption. B) Digestion. C) Peristalsis. D) Villi. Show Answer Correct Answer: B) Digestion. 19. In which of the following does ptyalin of saliva act? A) Slightly alkaline (7.8) medium. B) Neutral (7.0). C) Slightly acidic (6.8). D) Strongly acidic (3.2). Show Answer Correct Answer: C) Slightly acidic (6.8). 20. TRUE or FALSE:Bile is an example of chemical digestion A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 21. Enterokinase/enteropeptidase takes part in the conversion of A) Pepsinogen to pepsin. B) Trypsinogen to trypsin. C) Protein into polypeptides. D) Caseinogen to casein. Show Answer Correct Answer: B) Trypsinogen to trypsin. 22. In the epithelial cells, glucose molecules are absorbed into the bloodstream by: A) Active transport with sodium ions via a co-transporter protein. B) Active transport with potassium ions via a co-transporter protein. C) Facilitated diffusion through a different transporter protein. D) Facilitated diffusion with sodium ions via a co-transporter protein. Show Answer Correct Answer: D) Facilitated diffusion with sodium ions via a co-transporter protein. 23. What do goblet cells release? A) Proenzyme pepsinogen. B) Hydrochloric acid. C) Bile in liver. D) Mucus. Show Answer Correct Answer: D) Mucus. 24. Where do exopeptidases break peptide bonds? A) End of a polypeptide. B) Middle of a polypeptide. C) All the above. D) None of the above. Show Answer Correct Answer: A) End of a polypeptide. 25. Digestion is- A) Absorption of diffusible food. B) Absorption of water. C) Throwing out of non-diffusible food substances. D) Conversion of non-diffusible complex food substances into simple absorbable forms. Show Answer Correct Answer: D) Conversion of non-diffusible complex food substances into simple absorbable forms. ← PreviousNext →Related QuizzesClass 11 Biology Chapter 16 Digestion And Absorption Quiz 1Class 11 Biology Chapter 16 Digestion And Absorption Quiz 2Class 11 Biology Chapter 16 Digestion And Absorption Quiz 3Class 11 Biology Chapter 16 Digestion And Absorption Quiz 4Class 11 Biology Chapter 16 Digestion And Absorption Quiz 5Class 11 Biology Chapter 16 Digestion And Absorption Quiz 6Class 11 Biology Chapter 16 Digestion And Absorption Quiz 7Class 11 Biology Chapter 16 Digestion And Absorption Quiz 9Class 11 Biology Chapter 16 Digestion And Absorption Quiz 10Class 11 Biology Chapter 16 Digestion And Absorption Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books