8. Multiple choice questions VIII

3 m.

1. In amoeba the digestion of food is

2. Through mastication of food is essential because

by this process bigger pieces of food are broken down into smaller pieces.
it makes the process of swallowing the food easier
mastication of food makes the teeth stronger
bigger pieces of food are broken down into smaller pieces and saliva is properly mixed with it

3. The wave of contractions that pushes the food through the alimentary canal is called

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