How do CAM plants perform photosynthesis during daylight hours if their stomata remain closed?

Type: MCQ • Marks: 1

A. They use stored organic acids to release CO2 internally for light reactions

B. They absorb CO2 through roots

C. They do not perform photosynthesis

D. They absorb light at night

Explanation

Stored malic acid accumulated at night is broken down internally during the day to supply CO2 behind closed stomata.

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