Ncert- science – class 7- Chapter 2 – Nutrition in Animals 1 Welcome to your Ncert- science - class 7- Chapter 2 – Nutrition in Animals 1 1. Which one/two part of compound stomach of cattle are rich in methanogens ? Rumen Whole compound stomach Oppasurn Both A and B None 2. Cellulose digestion in ruminants occurs in ________. Abomasum Rumen Reticulum Omasum None 3. 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 permanent tooth By telling him that his tooth was milk tooth Both By telling him that his tooth was milk tooth andBy telling him that his tooth was permanent tooth By telling him that his tooth will be replaced None 4. Which of the following animals are involved in the fluid feeding mode? Honey bees Cow Amoeba None of the above None 5. Which of the following phenomena helps in the degradation of complex substances of food into simpler ones? Excretion Ingestion Digestion Assimilation None 6. The tongue is a fleshy muscular organ attached at the back to the floor of the_______. buccal cavity stomach cavity None of the above nasal cavity None 7. In digestion the unused parts of the food are________ None of the above defecated converted utilised None 8. Similar cone-shaped teeth are Homodont Acrodont Diphyodont Thecodont None 9. During cellulose fermentation by anaerobic bacteria in rumen and reticulum, cellulose is mainly changed into: Volatile fatty acids Ethyl alcohol CO2 Lactic acid None 10. Which of the following is responsible for partial digestion in the mouth of ruminants? High intake of lactose High intake of glucose High intake of cellulose None of the above None 11. What is the length of highly coiled small intestine? 20 feet 21 feet 25 feet 28 feet None 12. In ruminants, bacterial action occurs in the 13. Choose the correct statement. Molars help in grinding the food. Incisors help in biting the food. Canines help in tearing the food. All of the above None 14. Select the incorrect pair- Residual bodies - Autolysis Contractile vacuole - Helps in excretion in Amoeba Secondary lysosome - Digestive vacuole Golgi apparatus - Glycosidation of lipids None 15. Choose the correct order of terms that describes the process of nutrition in ruminants. Swallowing → → Chewing and mixing → → Partial digestion → → Complete digestion Chewing of cud → → Swallowing → → Partial digestion → → Complete digestion Chewing of cud → → Swallowing → → Mixing with digestive juices → → Digestion Swallowing → → Partial digestion → → Chewing of cud → → Complete digestion None 16. The primary dentition in humans differs from permanent dentition in not having one of the following types of teeth: Premolars Canine Incisors Molars None 17. Cud is the name given to the food of ruminants which is Properly chewed and partially digested. Swallowed and partially digested. Properly chewed and completely digested. Swallowed and undigested. None 18. 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 19. Which of the following is NOT a physical process of digestion? Mastication Emulsification Churning Peristalsis None 20. In ruminant stomach, the rumen is the Largest chamber All the above Chamber having villi with cornified surface Chamber having cellulose fermenting microorganisms 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.
