This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 16 Digestion And Absorption – Quiz 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 16 Digestion And Absorption Quiz 11 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Anal opening is guarded by- A) A) one voluntary sphincter. B) (b) two voluntary sphincters. C) (c) one involutary sphincter. D) (d) 2 sphincter, one is involuntary and other is involuntary. Show Answer Correct Answer: D) (d) 2 sphincter, one is involuntary and other is involuntary. 2. The three types of muscle tissue are A) Cardiac, Smooth, Cartilage. B) Cardiac, Skeletal, Cartilage. C) Nervous, Skeletal, Cardiac. D) Cardiac, Skeletal, Smooth. Show Answer Correct Answer: D) Cardiac, Skeletal, Smooth. 3. The absorption of water alcohol and simple sugars occurs in A) Oral mucosa. B) Gastric mucosa. C) Mucosa of ileum only. D) Mucosa. Show Answer Correct Answer: B) Gastric mucosa. 4. What is the meaning of "TPN" in medical terminology? A) Total parenteral nutrition. B) Total patient needs. C) Total protein nutrition. D) Total physical nutrition. Show Answer Correct Answer: A) Total parenteral nutrition. 5. Which of the following is/are absorbed into the network of blood capillaries of villi? A) Glycerol. B) Glucose. C) Glycogen. D) Sucrose. Show Answer Correct Answer: B) Glucose. 6. By which process do fatty acids and glycerol enter the epithelial cells of the ileum? A) Endocytosis. B) Simple Diffusion. C) Facilitated Diffusion. D) Active Transport. Show Answer Correct Answer: B) Simple Diffusion. 7. Opening of oesophagus into 'J'-shaped, bag like structure is regulated by A) Pyloric sphincter. B) Sphincter of Oddi. C) Sphincter Of Boyden. D) Gastro-oesophageal sphincter. Show Answer Correct Answer: D) Gastro-oesophageal sphincter. 8. What is on the outside of micelles? A) Fatty acids. B) Proteins. C) Bile salts. D) Triglycerides. Show Answer Correct Answer: C) Bile salts. 9. Protein coated small fat globules for absorption are called A) Chylomicrons. B) Micelles. C) Lacteals. D) None of these. Show Answer Correct Answer: A) Chylomicrons. 10. In the alimentary canal, bacteria in food are mainly killed by A) Saliva. B) Mucus. C) Gastric juice. D) Pancreatic juice. Show Answer Correct Answer: C) Gastric juice. 11. If we chew a piece of bread long enough, it will begin to taste sweet because: A) Maltase is breaking down maltose. B) Lipase are forming fatty acids. C) Amylase breaking down starch into disaccharides. D) Disaccharides are forming glucose. Show Answer Correct Answer: C) Amylase breaking down starch into disaccharides. 12. In addition to neural control, hormones also influence the:- A) Gastric secretions. B) Intestinal secretions. C) Muscular activities of different parts of alimentary canal. D) All of these. Show Answer Correct Answer: D) All of these. 13. The common bile duct in human is formed by the joining of: A) Pancreatic duct and bile duct. B) Cystic duct and hepatic duct. C) Cystic duct and pancreatic duct. D) Hepatic duct and pancreatic duct. Show Answer Correct Answer: B) Cystic duct and hepatic duct. 14. Which layer of the small intestine is folded and contains villi? A) Lumen. B) Mucosa. C) Submucosa. D) Serosa. Show Answer Correct Answer: B) Mucosa. 15. True or falseThe stomach churns the food, grinds, and liquifies the food into chyme. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 16. Bile is a digestive juice in our body. Which of the following statements about bile is correct? A) It is produced by the gall bladder. B) It contains an enzyme that digests fat. C) It helps break down fat into droplets. D) It stimulates peristaltic movement of the small intestine. Show Answer Correct Answer: C) It helps break down fat into droplets. 17. First step in digestion of fat in intestine is:- A) Emulsification. B) Enzyme action. C) Absorption by lacteals. D) Storage in adipose tissue. Show Answer Correct Answer: A) Emulsification. 18. Which of these are considered harmful cholesterol? A) HDL. B) VLDL. C) LDL. D) None of the above. Show Answer Correct Answer: C) LDL. 19. Which of the following statement is incorrect? I. Absorption of simple sugar, alcohol, some water and medicines takes place in stomach. II. Maximum water absorption occurs in small intestine. III. Small intestine is the major site of digestion and absorption of food. IV. Fatty acid and glycerol are absorbed by lacteals. V. Nothing is absorbed in mouth and large intestine. A) I, IV and V. B) V. C) IV. D) II and III. Show Answer Correct Answer: B) V. 20. Stool of a person is whitish grey colored due to malfunction of which organ? A) Pancreas. B) Spleen. C) Kidney. D) Liver. Show Answer Correct Answer: D) Liver. 21. What is the enzyme contained in the saliva? A) Amylase. B) Pepsin. C) Hydrochloride acid. D) Lipase. Show Answer Correct Answer: A) Amylase. 22. Which are the nutrients digested in the small intestine? A) Carbohydrates and proteins. B) Proteins. C) Carbohydrates, proteins and lipids. D) Lipids and proteins. E) Lipids. Show Answer Correct Answer: C) Carbohydrates, proteins and lipids. 23. Which are TRUE about pepsin? A) Pepsin is produced in the pancreas. B) Pepsin is an alkaline enzyme that works in the intestines. C) Pepsin is a hormone that regulates digestion. D) Pepsin is a proteolytic enzymes. Show Answer Correct Answer: D) Pepsin is a proteolytic enzymes. 24. What is the role of villi in the small intestine? A) To secrete digestive enzymes. B) To increase surface area for absorption. C) To produce bile. D) To neutralize stomach acid. Show Answer Correct Answer: B) To increase surface area for absorption. 25. Which of the following converts starch into maltose? A) Maltase. B) Lactase. C) Sucrase. D) Salivary amylase. Show Answer Correct Answer: D) Salivary amylase. ← 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 8Class 11 Biology Chapter 16 Digestion And Absorption Quiz 9Class 11 Biology Chapter 16 Digestion And Absorption Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books