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