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[A]: The nodulated bacteria fix nitrogen...

[A]: The nodulated bacteria fix nitrogen in the presence of leg Hb.
[R]: Leg Hb acts as oxygen scavanger

A

If both A and R are true and R is the correct explanation of A

B

If both A and R are true but R is not the correct explanation of A

C

If A is true and R is false

D

If both A and R are false

Text Solution

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The correct Answer is:
A
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