The concept of chemical evolution is based on

  • A

    Crystallization of chemicals

  • B

    Interaction of water, air and clay under interse heat

  • C

    Effect of solar radiation on chemicals

  • D

    Possible origin of life by combination of chemicals under suitable environment conditions

Similar Questions

If you go back in the history approx. $4500$ million years back when atmosphere was reducing the organism were

Following are the two statements regarding the origin of life.

$(A)$ The earliest organisms that appeared on the earth were non­green 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?

  • [NEET 2016]

$A$ : Theory of biogenesis explains that life arises from pre-existing life.
$R$ : Louis Pasteur finally disapproved the theory of spontaneous generation of life.

According to Oparin, life originated as

Chemical theory of origin of life was given by