Multiple choice

Stomata of CAM (crassulacean acid metabolism) plants are___________.

  1. open during the night and close during the day

  2. always remain open

  3. open during the day and close at night

  4. never open

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

CAM plants are the succulents found in deserts, where carbon dioxide fixation occurs during night. Hence, their stomata remain open during the night.