Photosynthesis In Higher Plants Question 132

Question: The first reaction in photorespiraton is [RPMT 1999; CBSE PMT 2000; CPMT 2001]

Options:

A) Carboxylation

B) Decarboxylation

C) Oxygenation

D) Phosphorylation

Show Answer

Answer:

Correct Answer: C

Solution:

Three conditions are required for photorespiration (1) High O2 concentration (2) Low concentration of CO2 (3) High light intensity.

During photorespiration oxygenation takes place firstly.