$A$ : Theory of biogenesis explains that life arises from pre-existing life.
$R$ : Louis Pasteur finally disapproved the theory of spontaneous generation of life.
Assertion and Reason both are correct and also correct explanation.
Assertion and Reason both are correct but not explanation of assertion.
Assertion is correct, but Reason is incorrect.
Both Assertion and Reason are incorrect.
The complex organic compounds that may have first evolved in the direction of origin of life on earth, may have been
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?
Describe various theories of origin of life.
After about how many years of formation of earth, life appeared on this planet?
Which of the following breakup water into hydrogen and oxygen on early earth?