how can you prove that sunlight is essential for photo synthesis
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Procedure to prove light is essential for photosynthesis:
-Take the potted plant and keep it in a dark place for 2-3 days so that the leaves get destarched.
-Attach light proof black paper strips on both sides of the leaf with the help of paper clips.
-Place the plant in sunlight for 3-4 hours.
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The ethyl alcohol breaks the chlorophyll in the leaves and makes them white in color, and iodine turns the starch into a blue-black color. ... - So starch is produced only in the leaves which are exposed to sunlight, and this proves that sunlight is very essential for plants to do photosynthesis.
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