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The element required by an enzyme urease...

The element required by an enzyme urease to hydrolyse urea by living organisms

A

nickel

B

calcium

C

boron

D

potassium

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The correct Answer is:
A
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ARIHANT NEET-MINERAL NUTRITION-Chapter Exercises (A) Taking it together (Assorted Questions of the chapter for Advanced level practise)
  1. Pigment, leghaemoglobin is present in roots of

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  2. The accumulation of phosphorus is more in

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  3. The element required by an enzyme urease to hydrolyse urea by living o...

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  4. Most of the plants obtain nitrogen from the soil in the form of

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  5. Major nitrogen fixation is carried out by

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  6. Nitrosomonas bacteria converts

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  7. The nitrifying bacteria are

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  8. Nitrite ions are reduced to ammonia by ferredoxin in

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  9. One of the following is a nitrogen-fixing enzyme

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  10. Which of the following does not fix atmospheric nitrogen?

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  11. A nitrogen-fixing cyanobacteria found in coralloid root of cyacas is

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  12. In plants, nitrate is reduced to ammonium state in two steps, in secon...

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  13. The concentration of a macroelement per gram of dry matter in plants i...

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

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  15. "Dieback'' citrus and 'reclamation' of legumes and cereals is due to t...

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  16. The yellowing of leaves called chlorosis, is caused by insufficient

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  17. Which one of the following elements is absorbed by plants from soil di...

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  18. A trace element, also required for plant growth, and in the form of ra...

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

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  20. Ca^(+2) is an essential element in plants. The major function it perfo...

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