Ncert- science – class 7- Chapter 2 – Nutrition in Animals 1 Welcome to your Ncert- science - class 7- Chapter 2 – Nutrition in Animals 1 1. In digestion the unused parts of the food are________ None of the above converted defecated utilised None 2. Select the incorrect pair- Contractile vacuole - Helps in excretion in Amoeba Residual bodies - Autolysis Golgi apparatus - Glycosidation of lipids Secondary lysosome - Digestive vacuole None 3. Choose the correct order of terms that describes the process of nutrition in ruminants. Chewing of cud → → Swallowing → → Partial digestion → → Complete digestion Swallowing → → Partial digestion → → Chewing of cud → → Complete digestion Swallowing → → Chewing and mixing → → Partial digestion → → Complete digestion Chewing of cud → → Swallowing → → Mixing with digestive juices → → Digestion None 4. Which of the following phenomena helps in the degradation of complex substances of food into simpler ones? Excretion Ingestion Assimilation Digestion None 5. Which of the following is NOT a physical process of digestion? Churning Peristalsis Emulsification Mastication None 6. What is the length of highly coiled small intestine? 28 feet 20 feet 21 feet 25 feet None 7. The tongue is a fleshy muscular organ attached at the back to the floor of the_______. nasal cavity buccal cavity stomach cavity None of the above None 8. Which of the following is responsible for partial digestion in the mouth of ruminants? High intake of glucose High intake of lactose None of the above High intake of cellulose None 9. Choose the correct statement. Canines help in tearing the food. All of the above Incisors help in biting the food. Molars help in grinding the food. None 10. Cud is the name given to the food of ruminants which is Swallowed and undigested. Properly chewed and partially digested. Properly chewed and completely digested. Swallowed and partially digested. None 11. Soham is 6 years old. He was playing in the garden. One of his teeth fell as he dashed a pillar. He started crying because he was hurt. He also felt that his teeth will never come back and he will not be able to eat chocolates. How will you console him? By telling him that his tooth was milk tooth By telling him that his tooth was permanent tooth By telling him that his tooth will be replaced Both By telling him that his tooth was milk tooth andBy telling him that his tooth was permanent tooth None 12. Which of the following pairs of teeth performs a common function as stated against it? Incisors & canines - Holding Molars & incisors - Tearing Premolars & molars - Grinding Canines & premolars - Biting None 13. Which of the following animals are involved in the fluid feeding mode? Honey bees None of the above Amoeba Cow None 14. Which one/two part of compound stomach of cattle are rich in methanogens ? Both A and B Oppasurn Whole compound stomach Rumen None 15. The primary dentition in humans differs from permanent dentition in not having one of the following types of teeth: Molars Canine Premolars Incisors None 16. Similar cone-shaped teeth are Acrodont Thecodont Diphyodont Homodont None 17. During cellulose fermentation by anaerobic bacteria in rumen and reticulum, cellulose is mainly changed into: Lactic acid Volatile fatty acids CO2 Ethyl alcohol None 18. Cellulose digestion in ruminants occurs in ________. Omasum Reticulum Rumen Abomasum None 19. In ruminants, bacterial action occurs in the 20. In ruminant stomach, the rumen is the Chamber having cellulose fermenting microorganisms All the above Largest chamber Chamber having villi with cornified surface None Time's upTime is Up! Please Share This Share this content Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Leave a Reply Cancel replyCommentEnter your name or username to commentEnter your email address to commentEnter your website URL (optional) Save my name, email, and website in this browser for the next time I comment.
