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Which was absent/least abundant in the a...

Which was absent/least abundant in the atmosphere at the time of origin of life?

A

`NH_3`

B

`H_2`

C

`O_2`

D

`CH_4`

Text Solution

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The correct Answer is:
C
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DINESH PUBLICATION-ORIGIN OF LIFE -All Questions
  1. Life originated in

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  2. Atmosphere of earth just before the origin of life consisted of

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  3. Which was absent/least abundant in the atmosphere at the time of origi...

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  4. Gaseous mixture used by Miller for synthesis of amino acids through he...

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  5. Experimental proof that some simple molecules like H2,NH3,CH4" and "H2...

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  6. Experimental to prove that synthesis of organic compounds formed the b...

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  7. Earth originated in the past period of about

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  8. Which was not present freely in the early atmosphere of the earth?

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  9. The first organisms were

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  10. Planet nearest to sun is

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  11. The most primitive cell-like chemical aggegates capables of growth and...

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  12. Russian scientist who proposed the theory of origin of life was

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  13. Under certain conditions, scientists have got cell-like structures but...

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  14. Ozone layer is important as it

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  15. Organic compounds first evolved on earth and required for origin of li...

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  16. choose the correct sequence during formation of chemicals on early ear...

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  17. First photosynthetic organisms to appear on earth were

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  18. Oparin's theory is based of

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  19. For testing Oparin's hypothesis Stanley Miller and Harold Urey used H2...

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  20. Who said that organisms develop from existing organisms

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