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Which of the following pigments is essen...

Which of the following pigments is essential for nitrogen fixation by leguminous plants

A

Anthocyanin

B

Phycocyanin

C

Phycoerythrin

D

Leghaemoglobin

Text Solution

Verified by Experts

The correct Answer is:
D
The nodule of the leguminous plant contains all the biochemical components required for `N_2` fixation including the enzyme nitrogenase and a red or pink coloured pigment called leg hemoglobin that function as `O_2` a scavenger to protect nitrogenase enzyme.
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