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Describe an activity to show that sunlight is necessary for photosynthesis |
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Answer» KEEP A POTTED PLANT IN LIGHT FOR 2 DAYS. KEEP ANOTHER POTTED PLANT IN DARK FOR 2 DAYS. TEST THEM AFTER THAT FOR STARCH(PRODUCED DURING PHOTOSYNTHESIS) THE POTTED PLANT KEPT IN LIGHT GIVES A +VE STARCH TEST. THE POTTED PLANT KEPT IN DARK GIVES A -VE STARCH TEST. THEREFORE SUNLIGHT IS NECESSARY FOR PHOTOSYNTHESIS. HENCE PROVED. |
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