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According to one of the most accepted theory the earth atmosphere before any life had originated consisted of H₂O, H₂, NH₂ and
Options
(a) CH₄
(b) O₂
(c) N₂
(d) none of these
Correct Answer:
CH₄
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Evolution
(132)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Purkinjie fibre is found in
- A trangenic food crop which may help in solving the problem of night blindness
- Heartwood differs from sapwood in:
- The repture and fractionation do not usually occur in the water column in vessel
- In man, which of the following genotypes and phenotypes may be the correct
Topics: Evolution (132)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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