Question

CO2 fixation rate under high conditions of light in C3 and C4 plants ​

Answer 1

C3 plants are adapted to grow in temperate climate, where as c4 plants are Adapted to grow in tropical climate.

So due to high light condition temperature increases in the case of C3 plants. so transpiration increases.To reduce the transpiration stoma closes. the entry of carbon dioxide reduces which leads to reduction in carbon dioxide fixation

The c4 plants are adapted to high temperature .so there will not be any change in carbon dioxide fixation. thank you