Question

How can you prove that sunlight is necessary for photsynthesis​

Answer 1

Answer:

hello

Explanation:

the sunlight is helpful because ,the leaves will trap the sunlight and it will be stored in stomata.

soooo sunlight is useful for photosynthesis

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Answer 2

HELLO....

To prove the necessity of sunlight in photosynthesis, we need to take up the following steps... :-

PROCEDURE:–

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.

Observation-

Starch is present in the exposed leaf.

Covered leaf part shows brown colouration.Exposed leaf shows blue-black colour. Conclusion- Leaf exposed to sunlight give iodine test, proving that sunlight is necessary for photosynthesis.

HOPE HELPS...