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Solution


Q.

Following are the two statements regarding the origin of life.                                                      [2016]
(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
1 Both (A) and (B) are correct.  
2 Both (A) and (B) are false.  
3 (A) is correct but (B) is false.  
4 (B) is correct but (A) is false.  

Ans.

(1)