How do scientists prove that water is needed for photosynthesis?
Answers
Answer:
Experiment to show that sunlight is necessary for photosynthesis - definition
To prove the necessity of sunlight in photosynthesis following steps need to do
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-
Covered leaf part shows brown colouration.
Exposed leaf shows blue-black colour.
Result- Starch is present in the exposed leaf.
Conclusion- Leaf exposed to sunlight give iodine test, proving that sunlight is necessary for photosynthesis.
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Explanation:
it's a nature law ...but if the plant will not get water it will not be much hydrated to make leaves Stems and if water will be not there the pressure inside leaves and stems they will wilt ....
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