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Which of the following is not a ph...

Which of the following is not a physiological role of potassium ?

A

Maintain anion - cation balance in cells

B

Maintain turgidity of cells

C

Help in opening and closing of stromata

D

Synthesize auxins

Text Solution

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The correct Answer is:
D
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AAKASH INSTITUTE-MINERAL NUTRITION-ASSIGNMENT (SECTION A)
  1. All are the elements whose deficiency symptoms first appear in ...

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  2. Amino acids like methionine and cysteince contain

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  3. Which of the following is not a physiological role of potassium ...

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  4. An element involved in metabolism of urea is

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  5. Deficiency symptoms of an element tend to appear first in young leaves...

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  6. Plants absorb zinc as

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  7. Mineral present in cytochrome is commonly

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  8. An element essential for nitrogen metabolism is

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  9. Boron takes part in

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  10. Mark the correct sequence of steps for the development of root...

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  11. Which group of three micronutrient elements is required for both photo...

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  12. Match the following and choose the correct combination from the opti...

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  13. Death of leaf tissues in plants is caused by deficiency of

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  14. Deficiency of which group of elements can cacuse inhibition of ce...

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  15. A prokaryote responsible for converting ammonia to nitrites is

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  16. Conversion of NH3 to NO2^(-) to NO3^(-) is called

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  17. The free living , aerobic and saprotrophic N2 - fixing microb...

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  18. Reaction carried out by N(2) fixing microbes include 2NH(3)+3O(2)to2...

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  19. How many ATP are required for the formation of one molecule of N...

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  20. Non - symbiotic nitrogen fixing prokaryote is

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