Question

how will you test the presence of starch in leaf ​

Answer 1

Explanation:

HEY MATE HERE IS YOUR ANSWER

Steps to test the presence of starch in leaves :

Steps to test the presence of starch in leaves :Step 1: A fresh leaf is taken.

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.

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.

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.

HOPE IT HELPS YOU

Answer 2

Answer:

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)