Question

how will you prove that startch is present in the leave​

Answer 1

Answer:

Explanation:

1 Put one of the plants in the dark for 24 hours; leave the other one on a windowsill.

2 After 24 hours, put some ethyl alcohol in a beaker and place that in a saucepan full of water. Heat the pan until the ethyl alcohol begins to boil. Remove from the heat.

3 Use tweezers to dip each of the leaves in the hot water for 60 seconds. Then place them in the beaker of ethyl alcohol for two minutes or until they turn almost white. Set them each in a shallow dish.

4 Cover the leaves with some iodine solution and watch.