Mark ‘T’ if the statement is true and ‘F’ if it is false:
(a) Digestion of starch starts in the stomach. (T/F)
(b) The tongue helps in mixing food with saliva. (T/F)
(c) The gall bladder temporarily stores bile. (T/F)
(d) The ruminants bring back swallowed grass into their mouth and chew it for some time. (T/F)
NCERT Solutions for Class 7th Science Chapter 2 Nutrition in Animals Page 20 Exercise Question 2

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Answers

2015-05-27T06:40:19+05:30
a) Digestion of starch starts in the stomach. (F)
Digestion of starch starts in mouth. In stomach digestion of proteins start.

(b) The tongue helps in mixing food with saliva. (T)
Recall the functions of tongue.

(c) The gall bladder temporarily stores bile. (T)
The gall bladder stores bile secreted by the liver.

(d) The ruminants bring back swallowed grass into their mouth and chew it for some time. (T)

The partially digested food called cud returns to the mouth in small lumps and the animal chews it.
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