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NEET Biology question

BiologyPhotosynthesis in Higher PlantsNEET

In the half-leaf experiment, a part of a leaf is enclosed in a test tube containing KOH-soaked cotton, while the other half is exposed to air, and the setup is kept in light. The air-exposed half later tests positive for starch while the enclosed half does not. This indicates that

Answer: (D)

Solution

KOH absorbs CO2 from the air inside the enclosed chamber, depriving that half of the leaf of CO2. Since only the

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Question ID VK-128230