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Microbes in Agriculture

If you go bac...

Question

If you go back in the history approx. 4500 million years back when atmosphere was reducing the organism were

A

Autotroph, aerobic

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B

Chemo-autotroph, anaerobic

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C

Chemo-heterotroph, anaerobic

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D

Heterotroph, anaerobic

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Solution

The correct option is C Chemo-heterotroph, anaerobic
The first living organisms developed in reducingatmosphere were chemo heterotrophs as they required readymade organic materials as food and anaerobes asthey were capable of espiration in the absence of oxygen.

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