Question
Which one of the following is wrong in relation to photorespiration?
It is a characteristic of C4 -plants
It is a characteristic of C3 -plants
It occurs in chloroplasts
It occurs in daytime only
Solution
A.
It is a characteristic of C4 -plants
Dicker and Tio (1959) discovered photorespiration in tobacco plant. It is a light dependent process of oxygenation of ribulose bis phosphate (RuBP). During this process, carbon dioxide is liberated and oxygen is consumed. C4 -plants avoid photorespiration by following Hatch Slack Pathway.