Essentiality of CO_2 in photosynthesis can be | vedclass

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(A) In this experiment,half of a leaf is enclosed in a test tube containing $KOH$ (which absorbs $CO_2$),while the other half remains exposed to the a

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Moll's half leaf experiment

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(A) In this experiment,half of a leaf is enclosed in a test tube containing $KOH$ (which absorbs $CO_2$),while the other half remains exposed to the air.After some time,when both halves are tested for the presence of starch using iodine solution,the part of the leaf exposed to air shows a positive starch test (turns blue-black),whereas the part inside the tube does not.This demonstrates that $CO_2$ is essential for the process of photosynthesis.

Essentiality of $CO_2$ in photosynthesis can be demonstrated using

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