Question

A plant in your garden avoids photorespiratory losses, has improved water use efficiency, shows high rates of photosynthesis at high temperatures and has improved efficiency of nitrogen utilisation. In which of the following physiological groups would you assign this plant?

(a) CAM 

(b) Nitrogen fixer

(c) C₃ 

(d) C₄

Answer 1

Ans: (d) C_{​​​​​​4}​

Explanation: C₄ plant does not have the process of photorespiration and this plant has better yield and good productivity and has very good efficiency because it does not have photo respiratory losses and has improved efficiency of nitrogen utilisation.​​