Question

How would you test presence of starch in leaves​

Answer 1

Answer:

Iodine solution is used to test leaves for the presence of starch. You need to: heat a plant leaf in boiling water for 30 seconds (this stops its chemical reactions) heat it in boiling ethanol for a few minutes (this removes most of its colour).

hope it helps you

Answer 2

Answer:

Steps to test the presence of starch in leaves

Step 1: A fresh leaf is taken.

Step 2: The leaf is boiled in water for few minutes

to soften the cells in the leaf.

Step 3: Now, dip this leaf in iodine solution.

Step 4: The color of the leaf will changes into blue black color when iodine is added to it which shows the presence of starch in it.