1.

Following are the two statements regarding the origin of life (a) the earliest organisms that appeared on the earth were nongreen and presumably anaerobic The first autotrophic organisms were the chemoautotrophs that never released oxygen. Of the above statements which one of following options is correctA. II is correct but I is falseB. Both I and II are correctC. Both I and II are falseD. I is correct but II is false

Answer» Correct Answer - B
The earliest organisms that appeared on earth were anaerobic chemoautotrophs.
Chemoautotrophs were the first autotrophic orgarnsms. They were unable to perform photolysis of water and never released oxygen, e.g. sulphur bacteria.


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