NEET Biology question

The first organisms were

(A)Chemoautotrophs
(B)ChemoheterotrophsCorrect
(C)Autotrophs
(D)Eukaryotes

Answer: (B)

Solution

The first living beings were prokaryotic, like bacteria. They were single-celled. Nucleic acid core consisted of naked DNA. These living beings were present in the environment of soupy sea having abundant organic molecules. Nutritionally they were

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Question ID VK-121609