Question

Q.3. How would you test the presence of starch in leaves?​

Answer 1

Answer:

The presence of starch in leaves can be tested by Iodine test. When we remove chlorophyll from leaf by boiling it in alcohol and then put 2 drops of iodine solution, its colour change to blue indicates the presence of starch.

Answer 2

Answer:

This process is called iodine test.

Explanation:

The presence of starch in leaf can be tested in the following way-

1) take some iodine first.

2) secondly we need to remove chlorophyll from leaf by boiling it in alcohol.

3)  put 2 drops of iodine solution in the leaf.

4) Its colour change to blue represent the presence of starch.

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