NEET 2001 Biology question

First life on earth was : -

(1)Cyanobacteria
(2)ChemohetrotrophsCorrect
(3)Autotrophs
(4)Photoautotrophs

Answer: (2)

Solution

According to the chemical evolution theory (Oparin-Haldane), the primitive earth had no free oxygen and an abundant supply of organic molecules formed abiotically in the "hot dilute soup". The first living cells were

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Question ID VK-088928