Q428
Photorespiration is characteristic of
A.
C3 plants
AnswerB.
C4 plants
C.
CAM plants
D.
All of these
Answer: Option A
Solution
Answer: Option A
Solution:
Photorespiration is characteristic of C3 plants.Photorespiration happens in C3 plants when the CO2 concentration drops to about 50 ppm. The key enzyme that accomplishes the fixing of carbon is rubisco, and at low concentrations of CO2, it begins to fix oxygen instead.