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