Ecology and Evolution-Origin of Life and Speciation (CBSE-NET (UGC) Environmental Science (Paper-II & Paper-III)): Questions 1 - 1 of 1

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Question number: 1

» Ecology and Evolution » Origin of Life and Speciation

Appeared in Year: 2009

MCQ▾

Question

Which of the following was formed first? (June)

Choices

Choice (4) Response
a.

DNA

b.

RNA

c.

DNA & RNA

d.

Eukaryotic cell

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