Question

4. How will you test a leaf for the presence of starch?
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Answer 1

Answer:

Starch testing

Iodine solution is used to test leaves for the presence of starch. ... 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) wash with water and spread onto a white tile.

Answer 2

Answer:

By using iodine if you want to test a leaf for starch test