| 1. Saliva is mainly water. |
| 2. Saliva makes it easier for us to swallow our food. |
| 3. Saliva softens our food. |
A) 1 and 2 only
B) 1 and 3 only
C) 2 and 3 only
D) 1, 2 and 3
Correct Answer: D
Solution :
Saliva, which mainly consists of water, is secreted in our mouth to help in digestion of the food. The water and enzymes present in it, softens the food and makes it easier for us to swallow our food.
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