Why plant has to be kept in dark for 3 day to prove that chlorophyll in essentoin for photosynthessis ans?
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Explanation: because as we know plant make their food with the help of sunlight in presence of chorophyll...........
Before starting an experiment for photosynthesis it is necessary to place a plant in dark because in dark, plant used up all most food or starch then we can demonstrate the experiment by using iodine solution. ... Because it should be kept in dark room so with out sun light photosynthesis will not take place.
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