Following are the two statements regarding the origin of life (a) the earliest organisms that appeared on the earth were nongreen and presumably anaer

Question

Following are the two statements regarding the origin of life (a) the earliest organisms that appeared on the earth were nongreen and presumably anaer

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 correct
A. II is correct but I is false
B. Both I and II are correct
C. Both I and II are false
D. I is correct but II is false

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

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.

4 views Answered 2023-02-05 15:29