Origin of life from nonliving matter is known as

Assertion : Organic compounds first evolved in earth required for origin of life were protein and nucleic acid.
Reason : All life forms were in water environment only.

Stanley Miller had put the Oparin-Haldane theory to test in $1953$ by creating in the laboratory the probable conditions on the primitive earth. In the experiment,simple amino acids were synthesized from which of the following mixtures,as observed after eighteen days?

Which of the following was $NOT$ present in a free form during the origin of life?

State the theory of abiogenesis. How does Miller's experiment support this theory?

The Earth is believed to have been formed approximately how many years ago?