Q. Which plant performs photosynthesis even after the closing of stomata?
A) $C_{2}$
B) $C_{3}$
C) $C_{4}$
D) $C_{5}$
Explanation
Even after the closing, the stomata of $C_{4}$-plants performs photosynthesis because they can produce their own $CO_{2}$ by decarboxylation of malic acid, which is used in Calvin cycle like in $C_{3}$-plants
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.