The schematic representation of Miller's experiment is given below. What are $P$ and $Q$?

The Russian scientist who proposed the theory of the origin of life was

Select the statement which is '$NOT$' true about the Big Bang Theory.

Stanley Miller simulated the conditions of pre-biotic Earth using a spark-discharge apparatus. Which organic compounds were observed by him upon analyzing the end product of his experiment?

Which of the following is most essential for the origin of life?

The first organisms to evolve on Earth were-