Question

Effective of saliva on starch diagram for class 7
plz answer​

Answer 1

Answer:

Saliva contains an enzyme called as Amylase which breaks down the amylose in starch into amylopectin. ... But, the starch in the tube A was not chewed so the starch molecules are intact in it. The starch reacts with the iodine to give a bluish-black color. This indicates the action of saliva on starch.

HOPE U UNDERSTAND...

Answer 2

Answer:

Saliva breaks down starch into sugar.

Explanation:

if you eat foods rich in start you will feel some sweetness in your mouth. you can try and observe it