This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 2 Nutrition In Animals – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 2 Nutrition In Animals Quiz 8 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. If a few leaves of a potted plant are coated with a thin layer of Vaseline or oil, what effect would it have on the leaves? A) Rate of transpiration increases. B) Rate of transpiration decreases. C) All the above. D) None of the above. Show Answer Correct Answer: B) Rate of transpiration decreases. 2. The acid present in the stomach A) Kills the harmful bacteria that may enter along with the food. B) Protects the stomach lining from harmful substances. C) Digests starch into simpler sugars. D) Makes the medium alkaline. makes the medium alkaline. Show Answer Correct Answer: A) Kills the harmful bacteria that may enter along with the food. 3. What is the function of oesophagus? A) Absorbs nutrients from food. B) Pushes food to the stomach via peristalsis (muscular movement). C) Secretes digestive enzymes. D) Stores food before digestion. Show Answer Correct Answer: B) Pushes food to the stomach via peristalsis (muscular movement). 4. Salivary glands secrete saliva. A) TRUE. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 5. Mucous layer secrets A) Acid. B) Salts. C) Base. D) Water. Show Answer Correct Answer: C) Base. 6. What is the function of Vill? A) They secrete digestive juice. B) They chew the food. C) They absorbed the digested food. D) None of these. Show Answer Correct Answer: C) They absorbed the digested food. 7. How many stomach's ruminants have? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: D) 4. 8. ..... is the enzyme present in saliva which acts on starch of food. A) Mucus. B) Sugar. C) Starch. D) All of the above. Show Answer Correct Answer: A) Mucus. 9. The faecal matter or excreta is removed through the anus from time to time from the body and the process is called A) Ingestion. B) Digestion. C) Egestion. D) Elimintation. Show Answer Correct Answer: C) Egestion. 10. Which type of molecules speed up chemical digestion? A) Carbohydrates. B) Enzymes. C) Hormones. D) Fatty Acids. Show Answer Correct Answer: B) Enzymes. 11. Waves of muscular contractions that move food through the digestive tract. A) Digestion. B) Absorption. C) Peristalsis. D) Villi. Show Answer Correct Answer: C) Peristalsis. 12. The process by which undigested food and waste is sent out of the body is called ..... A) Absorption. B) Assimilation. C) Egestion. D) Digestion. Show Answer Correct Answer: C) Egestion. 13. Starfish feeds on animals covered by hard shells of: A) Zinc Carbonate. B) Calcium Carbonate. C) Manganese Carbonate. D) Sodium bicarbonate. Show Answer Correct Answer: B) Calcium Carbonate. 14. An example of Saprophytic plant is ..... A) Dodder. B) Mushroom. C) Pitcher. D) Rose. Show Answer Correct Answer: B) Mushroom. 15. Foods rich in ..... are called body building food. A) Minerals. B) Vitamins. C) Proteins. D) None of the above. Show Answer Correct Answer: C) Proteins. 16. Stomach contain which type of acid A) Hydrochloric acid. B) Sulphuric acid. C) None of these. D) Both a and b. Show Answer Correct Answer: A) Hydrochloric acid. 17. What are the main nutrients that animals need for survival? A) Carbohydrates, Proteins, Fats, Vitamins, Minerals, Water. B) Proteins, Carbohydrates, Sugars, Fiber, Water, Sodium. C) Vitamins, Fats, Calcium, Sodium, Magnesium, Zinc. D) Carbohydrates, Proteins, Water, Fiber, Sugars, Iron. Show Answer Correct Answer: A) Carbohydrates, Proteins, Fats, Vitamins, Minerals, Water. 18. The process by which organisms take in food is called A) Digestion. B) Assimilation. C) Ingestion. D) Egestion. Show Answer Correct Answer: C) Ingestion. 19. ..... transports the nutrients from the undigested food to every cell if the body A) Water. B) Blood. C) Oxygen. D) Nitrogen. Show Answer Correct Answer: B) Blood. 20. The swallowed food moves downwards in the alimentary canal because of: A) Force provided by the muscular tongue. B) The flow of water taken with the food. C) Gravitational pull. D) The contraction of muscles in the wall of food pipe. Show Answer Correct Answer: D) The contraction of muscles in the wall of food pipe. 21. The process by which the organs of the body utilize the digested food and form complex substances which the body needs is called A) Assimilation. B) Egestion. C) Digestion. D) Ingestion. Show Answer Correct Answer: A) Assimilation. 22. What is the main role of saliva in digestion? A) To break down fats. B) To initiate carbohydrate digestion. C) To absorb nutrients. D) To neutralize stomach acid. Show Answer Correct Answer: B) To initiate carbohydrate digestion. 23. The process of taking food into the body is called ..... A) Ingestion. B) Digestion. C) Muscles. D) None of these. Show Answer Correct Answer: A) Ingestion. 24. An average amount of Calories that woman needs is about 2000 calories and 1500 to lose a week. While a man needs ..... calories and ..... to lose a week to maintain weight. A) 1500 and 1250. B) 2000 and 1500. C) 2500 and 2250. D) 2500 and 2000. Show Answer Correct Answer: D) 2500 and 2000. 25. Single celled organism among the following is ..... A) Human being. B) Plant. C) Cow. D) Amoeba. Show Answer Correct Answer: D) Amoeba. ← PreviousNext →Related QuizzesClass 7 Science Chapter 2 Nutrition In Animals Quiz 1Class 7 Science Chapter 2 Nutrition In Animals Quiz 2Class 7 Science Chapter 2 Nutrition In Animals Quiz 3Class 7 Science Chapter 2 Nutrition In Animals Quiz 4Class 7 Science Chapter 2 Nutrition In Animals Quiz 5Class 7 Science Chapter 2 Nutrition In Animals Quiz 6Class 7 Science Chapter 2 Nutrition In Animals Quiz 7Class 7 Science Chapter 2 Nutrition In Animals Quiz 9Class 7 Science Chapter 2 Nutrition In Animals Quiz 10Class 7 Science Chapter 2 Nutrition In Animals Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books