This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 16 Digestion And Absorption – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 16 Digestion And Absorption Quiz 5 (59 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the meaning of "TPN" in medical terminology? A) Total patient needs. B) Total physical nutrition. C) Total parenteral nutrition. D) Total protein nutrition. Show Answer Correct Answer: C) Total parenteral nutrition. 2. Which of the following is/are absorbed into the network of blood capillaries of villi? A) Glucose. B) Glycerol. C) Glycogen. D) Sucrose. Show Answer Correct Answer: A) Glucose. 3. By which process do fatty acids and glycerol enter the epithelial cells of the ileum? A) Endocytosis. B) Simple Diffusion. C) Active Transport. D) Facilitated Diffusion. Show Answer Correct Answer: B) Simple Diffusion. 4. Opening of oesophagus into 'J'-shaped, bag like structure is regulated by A) Sphincter of Oddi. B) Pyloric sphincter. C) Gastro-oesophageal sphincter. D) Sphincter Of Boyden. Show Answer Correct Answer: C) Gastro-oesophageal sphincter. 5. What is on the outside of micelles? A) Triglycerides. B) Proteins. C) Fatty acids. D) Bile salts. Show Answer Correct Answer: D) Bile salts. 6. 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. 7. In the alimentary canal, bacteria in food are mainly killed by A) Gastric juice. B) Mucus. C) Pancreatic juice. D) Saliva. Show Answer Correct Answer: A) Gastric juice. 8. If we chew a piece of bread long enough, it will begin to taste sweet because: A) Disaccharides are forming glucose. B) Maltase is breaking down maltose. C) Lipase are forming fatty acids. D) Amylase breaking down starch into disaccharides. Show Answer Correct Answer: D) Amylase breaking down starch into disaccharides. 9. 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. 10. 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. 11. Which layer of the small intestine is folded and contains villi? A) Lumen. B) Mucosa. C) Serosa. D) Submucosa. Show Answer Correct Answer: B) Mucosa. 12. 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. 13. 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. 14. First step in digestion of fat in intestine is:- A) Absorption by lacteals. B) Storage in adipose tissue. C) Emulsification. D) Enzyme action. Show Answer Correct Answer: C) Emulsification. 15. Which of these are considered harmful cholesterol? A) HDL. B) VLDL. C) LDL. D) None of the above. Show Answer Correct Answer: C) LDL. 16. 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. 17. Stool of a person is whitish grey colored due to malfunction of which organ? A) Kidney. B) Liver. C) Spleen. D) Pancreas. Show Answer Correct Answer: B) Liver. 18. What is the enzyme contained in the saliva? A) Pepsin. B) Lipase. C) Hydrochloride acid. D) Amylase. Show Answer Correct Answer: D) Amylase. 19. 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. 20. 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 proteolytic enzymes. D) Pepsin is a hormone that regulates digestion. Show Answer Correct Answer: C) Pepsin is a proteolytic enzymes. 21. What is the role of villi in the small intestine? A) To neutralize stomach acid. B) To secrete digestive enzymes. C) To produce bile. D) To increase surface area for absorption. Show Answer Correct Answer: D) To increase surface area for absorption. 22. Which of the following converts starch into maltose? A) Lactase. B) Sucrase. C) Salivary amylase. D) Maltase. Show Answer Correct Answer: C) Salivary amylase. 23. Digestion involves hydrolysis reactions, these reactions break bonds by adding what? A) Lipid. B) Carbon Dioxide. C) Water. D) Oxygen. Show Answer Correct Answer: C) Water. 24. The wall of the alimentary canal possesses four layer. From inner to outer most layers the sequence is A) Mucosa, Sub-mucosa, Muscularis, Serosa. B) Serosa, Sub-mucosa, Muscularis. C) Serosa, Muscularis, Sub-Mucosa, Mucosa. D) Mucosa, Muscularis, Sub-mucosa, Serosa. Show Answer Correct Answer: A) Mucosa, Sub-mucosa, Muscularis, Serosa. 25. In the process of digestion and absorption, the peristalsis movement in alimentary canal from oesophagus to rectum is produced by A) Epithelium layer of mucosa. B) Unstriped muscle of muscular coat. C) Meissner's plexus of submucosa. D) Visceral peritoneum. Show Answer Correct Answer: B) Unstriped muscle of muscular coat. 26. How are monosaccharides absorbed into the epithelial cells of the ileum? A) Exocytosis. B) Co-transport. C) Osmosis. D) Passive diffusion. Show Answer Correct Answer: B) Co-transport. 27. The pancreas, liver, and gallbladder are known as ..... A) The digestive tract. B) Digestion helpers. C) Accessory organs. D) Acid makers. Show Answer Correct Answer: C) Accessory organs. 28. Pancreatic secretions can be prevented from entering the duodenum by: A) CCK-PZ. B) Pyloric valve. C) Common bile duct. D) Sphincter of oddi. Show Answer Correct Answer: D) Sphincter of oddi. 29. Glucose and amino acids are absorbed in the intestine by- A) Osmosis. B) Passive transport. C) Active transport. D) Selective absorption. Show Answer Correct Answer: C) Active transport. 30. Most nutrient absorption occurs in the ..... A) Mouth. B) Stomach. C) Large intestines. D) Small intestines. Show Answer Correct Answer: D) Small intestines. 31. Which of the following describes ONE function of the stomach? A) Produces bile to make fats easier to digest. B) To introduce carbohydrates to food. C) To temporarily store food. D) To remove excess water from food. Show Answer Correct Answer: C) To temporarily store food. 32. Total 11 enzymes are given below. How many enzymes are present in succus entericus?Enterokinase, Prorennin, Sucrase, Lactase, Nucleotidases, Lipase, Trypsinogen, Procarboxypetidase, Maltase, Pepsinogen, Steapsin A) 6 enzymes. B) 8enzymes. C) 7 enzymes. D) 5 enzymes. Show Answer Correct Answer: A) 6 enzymes. 33. Which one of the following parts of the GI tract has the following characteristics:simple columnar epithelium, muscularis mucosa, Meissner's plexus, two layers of smooth muscle in the tunica muscularis and Peyer's patches of lymph nodules? A) Duodenum. B) Colon. C) Ileum. D) Jejunum. Show Answer Correct Answer: C) Ileum. 34. Cells are to tissues as tissues are to A) Organs. B) Membranes. C) Organelles. D) Organisms. Show Answer Correct Answer: A) Organs. 35. Which of these is NOT a function of the digestive system? A) Takes oxygen to body cells. B) Absorbs nutrients. C) Eliminates waste. D) Breaks down food. Show Answer Correct Answer: A) Takes oxygen to body cells. 36. The first part of the large intestine is the ..... A) Rectum. B) Cecum. C) Ascending colon. D) Sigmoid. Show Answer Correct Answer: B) Cecum. 37. Cardiac sphincter is- A) Gastro-oesophageal sphincter. B) Gastro-duodenal sphincter. C) Pyloric sphincter. D) None. Show Answer Correct Answer: A) Gastro-oesophageal sphincter. 38. Which of the following gastric cells indirectly help in erythropoiesis? A) Goblet cells. B) Mucous cells. C) Chief cells. D) Parietal cells. Show Answer Correct Answer: D) Parietal cells. 39. Which of the following terms describe human dentition? A) Pleurodont, Diphyodont, Heterodont. B) Thecodont, Diphyodont, Homodont. C) Pleurodont, Monophyodont, Homodont. D) Thecodont, Diphyodont, Heterodont. Show Answer Correct Answer: D) Thecodont, Diphyodont, Heterodont. 40. Where does the absorption take place? A) Oesophagus. B) Stomach. C) Small intestine. D) Large intestine. E) Digestive tract. Show Answer Correct Answer: C) Small intestine. 41. Lf the chyme of a person who had orally consumed only starch as food is analysed before it enters the duodenum, it will show the presence of A) Starch, dextrin and maltose. B) Starch, dextrio and glucose. C) Dextrin and maltose. D) Dextrin and glucose. Show Answer Correct Answer: A) Starch, dextrin and maltose. 42. What are enzymes made up of? A) Proteins. B) Fats. C) Sugars. D) Fiblre. Show Answer Correct Answer: A) Proteins. 43. Which of the following statement is wrong about chylomicrons? I. Chylomicrons are produced in the epithelial cells of small intestine. II. It contains triglycerides, cholesterol and phospholipids. III. It is carbohydrate coated. IV. Chylomicrons released from the epithelial cell into lacteals. A) I and IV. B) II and III. C) I, II, III and IV. D) Only III. Show Answer Correct Answer: D) Only III. 44. Liver of man is- A) 6-lobed. B) 5-lobed. C) 3-lobed. D) Bilobed. Show Answer Correct Answer: D) Bilobed. 45. What is the primary function of bile in the digestive system? A) Emulsifies fats. B) Breaks down carbohydrates. C) Neutralizes stomach acid. D) Absorbs nutrients. Show Answer Correct Answer: A) Emulsifies fats. 46. Which organ in the human body secretes lipase, amylase and protease? A) Liver. B) Small intestine. C) Stomach. D) Pancreas. Show Answer Correct Answer: D) Pancreas. 47. Enterokinase is:- A) Pancreatic hormone. B) Component of intestinal juice. C) Intestinal hormone. D) Pancreatic enzyme. Show Answer Correct Answer: C) Intestinal hormone. 48. Two friends are eating together on a dining table. One of them suddenly starts coughing while swallowing some food. This coughing would have been due to improper movement of A) Diaphragm. B) Neck. C) Tongue. D) Epiglottis. Show Answer Correct Answer: D) Epiglottis. 49. The stomach wall produces mucus to cover its surface. Which of the following statements correctly describe(s) the function of the mucus? A) Only. B) Only. C) And only. D) And only. Show Answer Correct Answer: C) And only. 50. The structure which prevents entry of food into windpipe during swallowing in mammals is A) Larynx. B) Epiglottis. C) Glottis. D) Pharynx. Show Answer Correct Answer: B) Epiglottis. 51. Common bile duct and Pancreatic duct open into together into duodenum and forms a swollen structure called as- A) Ampulla of Vater. B) Cystic duct. C) Hepato-pancreatic ampulla. D) Both (a) and (c). Show Answer Correct Answer: D) Both (a) and (c). 52. Where are disaccharides like maltose and lactose primarily digested? A) Stomach. B) Mouth. C) Small intestine. D) Large intestine. Show Answer Correct Answer: C) Small intestine. 53. Where are crypts of lieberkuhn present? A) Intestine. B) Stomach. C) Oesophagus. D) All the above. Show Answer Correct Answer: A) Intestine. 54. Find the correct match between the salivary gland and location A) Parotid-lower jaw. B) Sub-maxillary-below tongue. C) Sub-linguals-cheek. D) None are correct. Show Answer Correct Answer: D) None are correct. 55. The 3 parts of the small intestine are: A) Duodenum, jejunum, ileum. B) Ascending colon, transverse colon, descending colon. C) Sigmid colon, rectum, anus. D) None of the above. Show Answer Correct Answer: A) Duodenum, jejunum, ileum. 56. What is the role of pepsin? A) Breaks the ester bond. B) Breaks the peptide bond. C) Breaks thecovalent of bond. D) Breaks the glycosidic bond. Show Answer Correct Answer: B) Breaks the peptide bond. 57. Dental formula of an adult human is ..... for each half o upper and lower jaw A) I(1) C(2) PM(2) M(3) / I(2) C(1) PM(2) M(3). B) I(2) C(2) PM(1) M(3) / I(2) C(2) PM(1) M(3). C) I(2) C(1) PM(2) M(3) / I(2) C(1) PM(2) M(3). D) I(2) C(1) PM(3) M(2) / I(2) C(1) PM(3) M(2). Show Answer Correct Answer: C) I(2) C(1) PM(2) M(3) / I(2) C(1) PM(2) M(3). 58. What is the acidic fluid that passes from the stomach following churning? A) Hydrochloric acid. B) Bolus. C) Chyme. D) Enzymes. Show Answer Correct Answer: C) Chyme. 59. Where are lipases synthesised? A) Pancreas. B) Gall bladder. C) Stomach. D) Ileum. Show Answer Correct Answer: A) Pancreas. ← PreviousRelated QuizzesScience QuizzesClass 11 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 1 The Living World QuizClass 11 Biology Chapter 10 Cell Cycle And Cell Division QuizClass 11 Biology Chapter 11 Transport In Plants QuizClass 11 Biology Chapter 12 Mineral Nutrition Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books