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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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  4. [A]: Plants growing under trees show less photosynthesis. [R]: Gree...

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  8. [A]: Ringing/Girdling experiments involved removal of all tissues outs...

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  11. [A]: Photosynthesis is an oxidation reduction process. [R]: Electron...

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  14. Assertion. The atmospheric concentration of CO(2) at which photosynthe...

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