The Miller-Urey experiment attempted to simulate early Earth conditions to test the chemical origin of life. Which of the following gaseous components was NOT included in their experimental setup, despite being potentially present in the early atmosphere?

First cell produced on earth is

Which is still a favourite idea for some astronomers

Proteinoids are

The idea that the life originates from pre-existing life is referred as

Experimental evidence of chemical evolution was given by

For a long time it was believed that life came out of decaying and rotting matter like straw mud, etc.

This was the theory of

A microsphere is a …A… collection of organic macromolecules with double layered outer boundary. The term microsphere was given by …B…

Complete the given statement by choosing correct options for A and B with reference to NCERT textbook

Which one of the following amino acid was not found to be synthesized in Miller’s experiment?

Birbal Sahni was

Earth originated approximately