Q.

Which one of the following is wrong in relation to photorespiration?

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a

It is a characteristic of C3 plants

b

It occurs in chloroplasts

c

It occurs in day time only

d

It is a characteristic of C4plants

answer is D.

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Detailed Solution

C4 plants lack photorespiration  . C4 plants have a unique krantz anatomy with agranal chloroplasts in bundle sheath cells. These plants maintain high concentration of carbon dioxide in the bundle sheath cells and absence of grana ensures no release of oxygen due to photolysis. Thus photorespiration is absent in C4 plants.

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