Question

1. Write an experiment to show that sunlight is necessary for photosynthesis.​

Answer 1

Explanation:

Experiment to show that sunlight is necessary for photosynthesis - definition. Take a plant with destarched leaf. Leaf is partially covered with black paper on which a design is cut. Expose this plant to sunlight for few hours and perform a starch test with iodine solution.hope it helps you

Answer 2

Answer:

Boil the leaf in water for about 2 minutes. Now, to decolourise the leaf, transfer the leaf from boiling water to a beaker containing ethanol and boil the leaf in a water bath. ... The area of the leaf that was uncovered performed photosynthesis and will have starch, therefore turned blue-black with iodine solution.