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