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A nitrogen fixing microbe associated wit...

A nitrogen fixing microbe associated with the fern Azolla in rice fields is

A

Anabaena

B

Frankia

C

Tolypothrix

D

Spirulina

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The correct Answer is:
A
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CENGAGE BIOLOGY ENGLISH-MINERAL NUTRITION-ARCHIVES
  1. A prokaryotic autotrophic nitrogen fixing sym- biont-is found in

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  2. Companion cells are closely associated with

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  3. Identify the labels X and Y in the given outline of N(2) cycle and sel...

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  4. Leguminous plants are able to fix atmospheric nitrogen through the pro...

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  5. The function of leghaemoglobin in the root nodules of legumes is

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  6. A nitrogen fixing microbe associated with the fern Azolla in rice fiel...

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  7. Best defined function of Maganese in green plants is

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  8. Which one of the following is correctly matched ?

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  9. Which one of the following is wrong statement ?

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  10. For its activity, carboxypeptidase requires

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  11. For its action, nitrogenase requires

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  12. The first stable product of fixation of atmo- spheric nitrogen in legu...

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  13. Deficiency symptoms of nitrogen and potas- sium are visible first in

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  14. Which one gives the most valid and recent explanation for stomatal mov...

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  15. Minerals known to be required in large amounts for plant growth includ...

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  16. Root pressure develops due to

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  17. During biological nitrogen fixation, inacti- vation of nitrogenase by ...

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  18. Roots play insignificant role in absorption of water in

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  19. Which one of the following characteristics is not shared by bird...

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  20. Which is essential for the growth of root tip?

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