CBSE Class 7 Science Nutrition in Animals Quiz 2

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1. The swallowed food moves downwards in the alimentary canal because of:

A force provided by the muscular tongue. B the flow of water taken with the food. C gravitational pull. D the contraction of muscles in the wall of food pipe.

2. The acid present in the stomach:

A kills the harmful bacterial that may enter along with the food. B protects the stomach lining from harmful substances. C digests starch into simpler sugars. D makes the medium alkaline.

3. The enzymes predsent in the saliva convert:

A fats into fatty acids and glycerol B starch into simple sugars C proteins into amino acids D complex sugars into simple sugars

Practice more on Nutrition in Animals

Quiz 1 Quiz 2