Stanley Miller $(1950)$ was successful in synthesizing:

The spark-discharge apparatus to test the chemical evolution of life was designed by

Who finally refuted the theory of spontaneous generation and experimentally disproved it?

The first cellular form of life did not possibly originate until:

An evolutionary explanation of the origin of plants and animals was given by

Read the following statements and find out the correct ones:
$A.$ Spontaneous generation theory was approved once and for all.
$B.$ Pasteur showed that in pre-sterilized flasks,life did not come from killed yeast.
$C.$ Oparin observed the formation of amino acids by creating electric discharge in a closed flask.
$D.$ Life appeared $500$ million years before the formation of the earth.