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Enzyme nitrogenase is...

Enzyme nitrogenase is

A

A Cu - Fe protein

B

Found in prokaryotes only

C

An ` O _ 2 ` requiring enzyme

D

Essential to convert ` NO_2^(-) ` to `NO_3^(-)`

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The correct Answer is:
B
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Read the following statements and select the correct answer. (i). Rhizobium leguminosarum is also known as Bacillus radicicola. (ii). Nitrifying bacteria (Nitrosomonas, etc.) are chemoautotrops. (iii). Enzyme nitrogenase fixes N_(2) under aerobic condition. (iv). Leghaemoglobin creates aerobic conditions for the enzyme nitrogenase.

Which mineral helps the enzyme nitrogenase in nitrogen fixation?

What protects enzyme nitrogenase ?

The enzyme nitrogenase which is responsible for fixation of nitrogen contains the metal ion

Which of the following prevents inactivation of enzyme nitrogenase by oxygen poisoning, during biological nitrogen fixation?

Statement - I: Beijernickia is free living nitrogen fixing bacterium. Statement - II: The enzyme, nitrogenase which is capable of nitrogen reduction is present exclusively in prokaryotes. Statement- III: The root nodules formed in soyabean never establishes a direct vascular connection with the host for exchange of nutrients. Select the suitable option wr.t. statements I to III.

In Nostoc, enzyme nitrogenase occurs in:

AAKASH INSTITUTE-MINERAL NUTRITION-ASSIGNMENT (SECTION A)
  1. Boron takes part in

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

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

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

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

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

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  7. A prokaryote responsible for converting ammonia to nitrites is

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

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

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

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

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  12. Non - symbiotic nitrogen fixing prokaryote is

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  13. Amides are transported to the other parts of plant through

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  14. Enzyme nitrogenase is

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  15. Function of leghaemoglobin during N2 - fixation is

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  16. The given equation refers to N 2 + 8 e ^(-) + 16 A...

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  17. Pigment leghaeoglobin is present in the roots of

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  18. Select the incorrect statement with respect to the biological ni...

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  19. The function of amides is all, except

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  20. Which of the following is an amide involved in nitrogen metabo...

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