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Main role of minor elements is to act as...

Main role of minor elements is to act as

A

Constituent of hormones

B

Binder of cell structure

C

Cofactor of enzymes

D

Constituent of amino acids

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The correct Answer is:
C
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AAKASH SERIES-MINERAL NUTRITION-Exercise - II
  1. Presence of phosphorus in a plant :

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  2. The four elements that make up 99% of all elements found in a living s...

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  3. A red pigment leghaemoglobin in root nodules a legumes is helpful in n...

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  4. Hunger sign's in plants are :

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  5. In absence of essential mineral elements, leaves of many plants turn y...

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  6. Permeability of protoplasm is accelerated by :

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  7. In fruit trees a disease 'exanthema' is caused by the deficiency of :

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  8. Salt respiration is

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  9. Non-symbiotic nitrogen fixing prokaryote is

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  10. Main role of minor elements is to act as

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  11. Ammonia ix oxidised to nitrites by the bacteria

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  12. Which of the following is not the function of iron as nutrient in plan...

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  13. Electron donor to the enzyme nitrogenase in nitrogen metabolism and to...

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  14. Match the following columns

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  15. Oxygen evolving and nitrogen fixing organisms is

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  16. Root nodules with Rhizobium and without leghaemoglobin are found in

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  17. Which saprophytic prokaryote becomes an endosymbiotic diazotroph ?

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  18. The electrons and protons released during phosphoroclastic cleavage of...

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  19. In the root nodules of Myrica, symbiotic nitrogen fixing organism is

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  20. Which of the following can fix the atmospheric nitrogen both in symbio...

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