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The element that is abundantly present i...

The element that is abundantly present in atmosphere is

A

Oxygen

B

Hydrogen

C

`CO_2`

D

Nitrogen

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VGS PUBLICATION-BRILLIANT-BIO GEOCHEMICAL CYCLES-EXERCISE
  1. The human body is composed of about how much water?

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  2. These form integral part of basic organic compounds of life.

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  3. The element that is abundantly present in atmosphere is

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  4. The free living bacteria that fixes nitrogen is

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  5. Nitrogen makes its way back into the atmosphere through a process call...

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  6. The excessive amount of nitrates and other nitrogenous compounds when ...

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  7. It is reponsible for maintaining the earth as green-house with tempera...

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  8. The main reservoirs of carbon are -

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  9. Excessive amount of carbon dioxide and other green house gases has bee...

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  10. These are poisoned by elemental oxygen

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  11. Decomposition of organic waste requires

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  12. The layer extends from the earth’s surface up to about 10 kilometers i...

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  13. The number of oxygen atoms present in a molecule of ozone is-

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  14. Ozone layer absorbs these radiations of sun

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  15. These are responsible for destruction of ozone layer

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  16. To protect ozone layer, the protocol emerged was

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  17. The element present in diamond is

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  18. Which of the following organisms is a free living nitrogen fixer?

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  19. Which of the following is the elemental form of carbon?

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  20. The elements that is common among proteins, DNA, RNA and Alkaloids …….

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