This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 16 Digestion And Absorption – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 16 Digestion And Absorption Quiz 7 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Match the following (1) Saliva mixed with food is called (p) Chyme(2) food mixed with acidic gastric juice (q) Chyle (3) alkaline food in stomach (r) Bolus A) 1. (r) 2. (q) 3. (p). B) 1. (q) 2. (r) 3. (p). C) 1. (r) 2. (p) 3. (q). D) 1. (p) 2. (q) 3. (r). Show Answer Correct Answer: C) 1. (r) 2. (p) 3. (q). 2. Mucosa forms irregular folds (rugae) in the- A) Ileum. B) Stomach. C) Jejunum. D) Colon. Show Answer Correct Answer: B) Stomach. 3. Why do we eat? A) To get the nutrients we need to survive. B) So we can gain weight. C) Because we enjoy it. D) To get carbon dioxide and oxygen. Show Answer Correct Answer: A) To get the nutrients we need to survive. 4. Tiny finger-shaped structures in the small intestine in which absorption occurs A) Rectum. B) Anus. C) Bile. D) Villi. Show Answer Correct Answer: D) Villi. 5. Which part of the digestive system is primarily responsible for the absorption of nutrients? A) Mouth. B) Stomach. C) Small Intestine. D) Large Intestine. Show Answer Correct Answer: C) Small Intestine. 6. As digested lipids are absorbed by the lymphatics of the small intestine, they become milky. What are these lipoprotein droplets called? A) Chyme. B) Chyle. C) Chylomicron. D) Micelles. Show Answer Correct Answer: C) Chylomicron. 7. Gastric juice does not contain A) Lipase. B) Renin. C) Amylase. D) Protease. Show Answer Correct Answer: C) Amylase. 8. Read the following statements and choose the correct option. I. Digestion involves chemical processes only. ll. Mastication of food is facilitated by saliva. A) Statement I is correct, but Il is incorrect. B) Statement I is incorrect, but II is correct. C) Both statements I and Il are correct. D) Both statements I and II are incorrect. Show Answer Correct Answer: B) Statement I is incorrect, but II is correct. 9. What is function of Kupffer's cells? A) Bile secretion. B) Digestion of proteins. C) Store glycogen. D) Phagocytosis. Show Answer Correct Answer: D) Phagocytosis. 10. Pancreas produces- A) (a) three digestive enzymes and one hormone. B) B) three digestive enzymes and two hormones. C) (c) two digestive enzymes and one hormone. D) (d) three digestive enzymes and no holmone. Show Answer Correct Answer: B) B) three digestive enzymes and two hormones. 11. The small intestine is responsible for ..... A) Water absorption. B) Nutrient absorption. C) Filtering. D) Evacuation. Show Answer Correct Answer: B) Nutrient absorption. 12. What does "GERD" stand for? A) Gastroesophageal reflux disease. B) General emergency response disorder. C) Gastrointestinal reflux disorder. D) General esophageal reflux disease. Show Answer Correct Answer: A) Gastroesophageal reflux disease. 13. The hardest substance in vertebrate body is A) Enamel. B) Keratin. C) Dentine. D) Chondrin. Show Answer Correct Answer: A) Enamel. 14. Where do certain symbiotic microorganisms normally occur in the human body?(Mains 2012) A) Duodenum. B) Tongue surface and oral lining. C) Rectum and vermiform appendix. D) Caecum. Show Answer Correct Answer: D) Caecum. 15. The layer of cells that secrete enamel of tooth is A) Osteoblast. B) Odontoblast. C) Dentoblast. D) Ameloblast. Show Answer Correct Answer: D) Ameloblast. 16. The protective substance that lines the stomach is called A) Mucus. B) Saliva. C) Pepsin. D) Trypsin. Show Answer Correct Answer: A) Mucus. 17. The end products of carbohydrate digestion are? (a) (b)(c) (d) A) Galactose, glucose, Fructose. B) Sucrose, galactose, maltose. C) Galactose, glucose, maltose. D) None of these. Show Answer Correct Answer: A) Galactose, glucose, Fructose. 18. What is the term given to a ball-like mixture of food and saliva that forms in the mouth? A) Peristalsis. B) Mucus. C) Epiglottis. D) Bolus. Show Answer Correct Answer: D) Bolus. 19. Protein is broken down into ..... before they are asborbed into the small intestines. A) Fatty acids. B) Amino acids. C) Citric acid. D) Hydrochiloric. Show Answer Correct Answer: B) Amino acids. 20. Which of the following components of our food are taken in small quantities? A) Carbohydrate and proteins. B) Proteins and minerals. C) Proteins and lipids. D) Minerals and vitamins. Show Answer Correct Answer: D) Minerals and vitamins. 21. Hydrochloric acid is secreted in the ..... A) Oesophagus. B) Stomach. C) Large intestine. D) Small intestine. Show Answer Correct Answer: B) Stomach. 22. Consider the following statements and choose the correct option. I. Enamel helps in the mastication of food. II. It is the hardest part of human body. A) Statement I is correct, but ll is incorrect. B) Statement I is incorrect, but ll is correct. C) Both statements I and II are correct. D) Both statements I and II are incorrect. Show Answer Correct Answer: C) Both statements I and II are correct. 23. What organ is responsible for the absorption of water and movement of waste? A) Large intestine. B) Small intestine. C) Stomach. D) Oral cavity. Show Answer Correct Answer: A) Large intestine. 24. How does the stomach prepare dietary proteins for further digestion? A) The stomach uses mechanical digestion to break down proteins into smaller pieces. B) Stomach acid activates pepsinogen to pepsin, which begins protein digestion. C) Proteins are absorbed directly into the bloodstream from the stomach. D) The stomach neutralizes proteins before they enter the intestines. Show Answer Correct Answer: B) Stomach acid activates pepsinogen to pepsin, which begins protein digestion. 25. ..... ion is required for normal functioning of Salivary Amylase . A) HCO$_{3}$$^{-}$. B) Cl $^{-}$. C) K$^{+}$. D) Thiocynate ion. Show Answer Correct Answer: B) Cl $^{-}$. ← 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 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