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Following are the two statements regarding the origin of life : A.`" "` The earliest organisms that appeared on the earth were non-green and presumably anaerobes. B.`" "` The first autotrophic organisms were the chemoautotrophs that never relesed oxygen. Of the above statements which one of the following options is correct ?A. Both (a) and (b) are correct.B. Both (a) and (b) are falseC. (a) is correct but (b) is false.D. (b) is correct but (a) is false. |
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Answer» Correct Answer - A • The earliest organisms that appeared on the earth were non-green and presumably anaerobes. • The first autotrophic organisms were the chemautotrophs that never released oxygen. |
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