Question

How would you test the presence of strach 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.

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)

Answer 2

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Explanation:

Iodine solution is used to test leaves for the presence of starch.

: The Iodine test can detect the presence of starch in leaves. When chlorophyll in the boiling of alcohol is removed from the leaf and two drops of iodine are added to it, its colours change to blue to indicate the presence of starch. This test is used to evaluate the photosynthesis process in plants.✧══════ll ll══════✧