This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 16 Digestion And Absorption – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 16 Digestion And Absorption Quiz 3 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Trypsinogen is activated to trypsin by? A) Trypsin itself. B) Enterokinase. C) Lipase. D) Hcl. Show Answer Correct Answer: B) Enterokinase. 2. The aggregation of lymphatic tissue particularly located in the ileum of small intestine are known as- A) Peyer's patches. B) Choroid plexus. C) Plica circulares. D) Microvilli. Show Answer Correct Answer: A) Peyer's patches. 3. Involuntary muscles are not found in A) Iris. B) Bronchi of the lungs. C) Tongue. D) Heart. Show Answer Correct Answer: C) Tongue. 4. Bile is produced by- A) Gall bladder. B) Liver. C) Hepatic duct. D) Blood. Show Answer Correct Answer: B) Liver. 5. Which of these helps prevent constipation? A) Fat. B) Sugar. C) Protein. D) Fiber. Show Answer Correct Answer: D) Fiber. 6. Zymogen cells of gastric glands produce: A) Trypsinogen. B) Pepsin. C) Pepsinogen. D) Chymotrypsin. Show Answer Correct Answer: C) Pepsinogen. 7. Which of the following is not a component of a micelle? A) Lipases. B) Bile salts. C) Monoglycerides. D) Fatty acids. Show Answer Correct Answer: A) Lipases. 8. What is common among amylase, rennin and trypsin? A) These are produced in stomach. B) These act at a pH lower than 7. C) These all are proteins. D) These all are proteolytic enzymes. Show Answer Correct Answer: C) These all are proteins. 9. Where does the digestion of lipids take place? A) Stomach. B) Stomach and small intestine. C) Small intestine. D) Mouth, stomach and small intestine. E) Mouth and small intestine. Show Answer Correct Answer: C) Small intestine. 10. In terms of the visking tubing, what is a semi-permeable membrane? A) A membrane that allows anything to pass through it. B) A membrane that allows large molecules to pass through it. C) A membrane that allows small molecules to pass through it. D) A membrane that does nothing. Show Answer Correct Answer: C) A membrane that allows small molecules to pass through it. 11. Go Through the following statements:(I) All Monophyodont teeth are permanenent teeth.(II) All permanent teeth are Diphyodont(III) Diphyodont teeth have milk teeth, Chhose the correct statements. A) I an II only. B) II and III only. C) I and III only. D) All are correct. Show Answer Correct Answer: C) I and III only. 12. Which of these increase does not allow the ileum to be adapted for absorption A) Large surface area. B) Richly supplied with blood capillaries and lymphatic capillaries. C) Ileum is one cell thick. D) Long. Show Answer Correct Answer: C) Ileum is one cell thick. 13. What does "N/V" stand for in medical terms? A) Nausea and vomiting. B) Nutrition and vitamins. C) Nerve and vein. D) Night vision. Show Answer Correct Answer: A) Nausea and vomiting. 14. What are the two components of the gastric juice? A) Pepsin and hydrochloric acid. B) Saliva and bile. C) Bile and hydrochloric acid. D) Amylase and hydrochloric acid. Show Answer Correct Answer: A) Pepsin and hydrochloric acid. 15. The opening of stomach into duodenum is guarded by- A) Cardiac sphincter. B) Sphincter of Boyden. C) Sphincter of Oddi. D) Pyloric sphincter. Show Answer Correct Answer: D) Pyloric sphincter. 16. Jaundice is a disorder of A) Excretory system. B) Skin and eyes. C) Digestive system. D) Circulatory system. Show Answer Correct Answer: C) Digestive system. 17. Choose the incorrect statement regarding human digestive system with reference to a normal person. A) (a) Human saliva is slightly basic. B) B) In human being, three pairs of salivary glands secrete saliva. C) (c) The quantity of saliva in adult man may be I to 1.5 L/day. D) (d) Amylase present in saliva is responsible for the breakdown of starch into simple sugar. Show Answer Correct Answer: A) (a) Human saliva is slightly basic. 18. The absorbed substances finally reach the tissue which utilize them for their activities. This process is called- A) Assimilation. B) Emulsification. C) Catabolism. D) Digestion. Show Answer Correct Answer: A) Assimilation. 19. Which of the following is slowest enzyme A) Salivary amylase. B) Lysozymes. C) Pancreatic amylase. D) Pro carboxy peptidases. Show Answer Correct Answer: B) Lysozymes. 20. The fluid inside the lacteals of the intestinal villi becomes milky after a meal. This is due to the presence of A) Fatty acids. B) Amino acids. C) Fats. D) Proteins. Show Answer Correct Answer: C) Fats. 21. Which layer of the gut is responsible for peristalsis? A) Smooth muscles. B) Mucosa. C) Submucosa. D) Serosa. Show Answer Correct Answer: A) Smooth muscles. 22. Which of the following organs produces digestive juice that does not contain enzymes? A) Liver. B) Mouth. C) Stomach. D) Pancreas. Show Answer Correct Answer: A) Liver. 23. Duodenal glands / Brunner's glands are present in- A) Submucosa. B) Mucosa. C) Muscularis. D) Serosa. Show Answer Correct Answer: A) Submucosa. 24. The 2 systems that regulate the digestive system are: A) Lymphatic and vascular. B) Lymphatic and nervous. C) Vascular and nervous. D) Nervous and endocrine. Show Answer Correct Answer: D) Nervous and endocrine. 25. Organ where there is the most absorption of nutrients A) Stomach. B) Small intestine. C) Large intestine. D) Liver. Show Answer Correct Answer: B) Small intestine. ← 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 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 8Class 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