In desert CAM plants (like pineapple and agave), when do stomata open for CO2 uptake?

Type: MCQ • Marks: 1

A. They never open

B. Continuously 24 hours

C. At night to minimize daytime water loss

D. At noon during peak heat

Explanation

CAM plants open stomata at night to absorb CO2 with minimal transpiration, storing it as organic acids for daytime use.

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