Q36 / 200 · NEET 2012 (Screening) · Botany

A process that makes important difference between $\mathrm{C}_3$ and $\mathrm{C}_4$ plants is

  • A
    transpiration
  • B
    glycolysis
  • C
    photosynthesis
  • Correct answer
    D
    photorespiration

Solution

Photorespiration is a light dependent process which occurs in $\mathrm{C}_3$ plants. It is opposite to photosynthesis because during this process, uptake of $\mathrm{O}_2$ and release of $\mathrm{CO}_2$ take place. Due to presence of Kranz anatomy, $C_4$ plants do not show photorespiration.

Hence, the correct answer is option: 'D'.

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