Question

how we can conclude the presence of starch in various areas of leaf? write an experience and observations observed during experiment​

Answer 1

Answer:

Starch is tested by Iodine solution.

Explanation:

Experiment:

1) Take a potted plant.

2) Cover some part of the leaf with black strip.

3) Then put the plant in sunlight for 3-4 hours.

4) Pluck the covered leaf.

5) Take some iodine solution in a dropper.

6) Put the iodine on the leaf drop by drop.

7) The parts of the leaf that has been turned blue-black in colour show the presence of starch in the leaf.

Hope it helps .........