Ncert- science – class 7- Chapter 2 – Nutrition in Animals 2 Welcome to your Ncert- science - class 7- Chapter 2 – Nutrition in Animals 2 1. Digestive system has muscles. 2. Who discovered the working of stomach? Alexis St. Thomas Alexander Fleming William Beaumont Alexis St. Martin None 3. Animal nutrition does not include: Nutrient requirement Cooking of food Utilization in the body Mode of intake None 4. The inactive prorennin is converted to active rennin by none of these enterokinase hormone HCl None 5. What is recommended by WHO as a home-made remedy for diarrhoea? Oral rehydration solution Solution of water and salt Oral dehydration solution Solution of water and sugar None 6. Water from the undigested food is absorbed mainly in the Food pipe Large intestine Small intestine Stomach None 7. Birds take nectar by ________ Swallowing Biting Sucking Chewing None 8. Hardest substance of the body is 9. Red worms do not chew but grind their food with the help of 10. The cavity present in the tooth is called Pulp cavity Chest cavity Abdominal cavity Nasal cavity None 11. Dentine is The nerve that connects tooth and the brain Hard, protective covering on the tooth The soft, invisible covering present in a tooth The cavity which contains nerves and blood vessels in a tooth None 12. The breakdown of complex components of food into simple ones is called as Digestion Excretion Absorption Respiration None 13. Pick the odd one out among the parts of the alimentary canal: Buccal cavity Pancreas Pharynx Mouth None 14. What is/are the mode(s) of infection of cholera Contaminated water and food Air Virus Animals None 15. Ideal function of vermiform appendix in human body is________. Digestion of cellulose Produce more energy Increase the weight Decrease the digestion None 16. Grass is rich in the substance called: Pepsin Fatty acid Amino acid Cellulose None 17. A man cannot digest cellulose whereas cows can do so because they produce an intestinal juice that can digest cellulose they have efficient molars for grinding their gut contains certain bacteria capable of digesting cellulose they have a many-chambered stomach None 18. What are the finger-like outgrowths of small intestine called? 19. ....... constitute the digestive system. Both The digestive tract andThe associated glands together None The associated glands together The digestive tract None 20. The food we take in our body travels through a long and complex path. Which starts from mouth and ends at anus? Which is the correct sequence of process on food in digestive system? Digestion → → Absorption → → Egestion → → Ingestion Ingestion → → Egestion → → Digestion → → Absorption Digestion → → Ingestion → → Absorption → → Egestion Ingestion → → Digestion → → Absorption → → Egestion None Time's 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.
