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