Question

In a C.A.M. plant, the concentration of organic acid:

A Increases during the day Correct Answer Incorrect Answer
B Decreases or increases during the day Correct Answer Incorrect Answer
C Increases during night Correct Answer Incorrect Answer
D Decreases during any time Correct Answer Incorrect Answer

Solution

In a Crassulacean Acid Metabolism (CAM) plant, the concentration of organic acids, such as malic acid, increases during the night when the stomata are open, and decreases during the day when the stomata are closed, allowing for carbon fixation and reduced water loss.

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