Question

Experiment to prove atmospheric gas is essential for photosynthesis

Answer 1

Answer:

Experiment to prove the necessity of carbon dioxide in photosynthesis - definition. Insert a part of the leaf of a destarched plant into a conical flask containing potassium hydroxide. Potassium hydroxide solution absorbs the carbon dioxide gas from the air present in the glass bottle. Leave the plant sunlight.

Answer 2

Answer:

Explanation:

keep the plant in a dark room

before keeping cover one of the plant leaf strip using a black paper

after one day pluck the leaf and test for starch

there wont be any starch in the covered leaf it remains bluish colour but the uncovered leaf becomes green in colour

hence we came to a point that air is necessary for photosynthesis

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