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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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TRUEMAN BIOLOGY-Plant Physiology -ASSERTION AND REASON
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  6. Asserion : Long distance flows of photoassimilates in plants occurs t...

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

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  9. [A]: Action spectra for photosynthesis help to identify the pigments i...

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  10. [A] : C3 & C4 cycle can not occur in the same plant [R] : C3 cycle ...

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

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  12. Assertion. Nitrogen deficiency induced purplish colouration in stems, ...

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  13. Assertion: C(4) photosynthetic pathway is more efficient than the C(3)...

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

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