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All are the elements whose deficiency...

All are the elements whose deficiency symptoms first appear in the older tissues, except

A

Nitrogen

B

Calcium

C

Potassium

D

Magnesium

Text Solution

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The correct Answer is:
B
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AAKASH INSTITUTE-MINERAL NUTRITION-ASSIGNMENT (SECTION A)
  1. An immobile element present in plant tissue is

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  2. The essential element that activates enzymes rubisco and pepco,...

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  3. All are the elements whose deficiency symptoms first appear in ...

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  4. Amino acids like methionine and cysteince contain

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

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  6. An element involved in metabolism of urea is

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

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  8. Plants absorb zinc as

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  9. Mineral present in cytochrome is commonly

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  10. An element essential for nitrogen metabolism is

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  11. Boron takes part in

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

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

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

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

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

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  17. A prokaryote responsible for converting ammonia to nitrites is

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

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

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

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