Class 12 NEET Biology Evolution Questions Part 2

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Question : 36 of 66
 
Marks: +1, -0
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 released oxygen.Of the above statements which one of the following options is correct ?
[NEET 2016 P1]
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