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Nitrogen-fixation in root nodules of Aln...

Nitrogen-fixation in root nodules of Alnus is brought about by

A

Bradyrhizobium

B

Clostridium

C

Frankia

D

Azorhizobium

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The correct Answer is:
C
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AAKASH SERIES-MINERAL NUTRITION-Exercise - III
  1. Manganese is required in

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  2. Which of the following is a symbiotic nitrogen fixer ?

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  3. Nitrogen-fixation in root nodules of Alnus is brought about by

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  4. Which of the following plant with nodules containing filamentous nitro...

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  5. Which one of the following elements is not an essential micronutrient ...

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  6. A plant requires magnesium for

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  7. About 98% of the mass of every living organism is composed of just six...

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  8. The translocation or organic solutes in sieve tube members is supporte...

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  9. Sulphur is an important nutrient for optimum growth and productivity i...

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  10. The deficiencies of micronutrients, not only affects growth of plants ...

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  11. Dough kept overnight in warm weather become soft and spongy because of

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  12. A free living, nitrogen-fixing cyanobacterium which can also form symb...

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  13. A nutritionally wild type organisms, which does not required any addit...

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  14. The major role of minor elements inside living organisms is to act as

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  15. Which one of the following mineral elements plays an important role in...

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  16. Stomata of a plant open due to

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  17. Boron in green plants assists in

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  18. Grey speck of Oats' caused by the deficiency of

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  19. The major protion of the dry weight of plants comprises of

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  20. Choose the correct match Bladderwort sundew, vensufly trap

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