The theory of abiogenesis or spontaneous generation was finally disapproved by

Match the following columns:

Column-$I$	Column-$II$
$(X)$ Earth	$(1)$ $20$ billion years
$(Y)$ Universe	$(2)$ $4.5$ billion years
$(Z)$ Non-cellular life	$(3)$ $3.0$ billion years

Which scientist proposed the most logical biochemical theory for the origin of life?

The theory that life was transferred to different planets including Earth is known as ...

Following are the two statements regarding the origin of life.
$(A)$ The earliest organisms that appeared on the earth were non-green and presumably anaerobes.
$(B)$ The first autotrophic organisms were the chemoautotrophs that never released oxygen.
Of the above statements,which one of the following options is correct?

Define and explain the terms $Abiogenesis$ and $Biogenesis$.