NEET UG BIOLOGY MCQ: EVOLUTION

1 Medium

1 of 1

Understanding +4 | -1

What happened to

\mathrm{N}{\mathrm{H}_3}

present in the primary atmosphere during its conversion to the secondary atmosphere?

View answer and explanation

Correct option: A

It got oxidized to

{\mathrm{N}_2}

and water

Option A (It got oxidized to

{\mathrm{N}}_{{2}}

and water) is correct because ammonia in the early atmosphere was oxidized to nitrogen gas and water due to the presence of other reactive compounds and energy sources.

More Questions from EVOLUTION

Practice All Chapter MCQs →

The main point of Darwin’s theory is Which one of the following is not a vestigial structure in Homo sapiens? The brain capacities of Homo habilis were Assertion (A): In mammals the forelimbs perform different functions.

Reason (R): The forelimbs in different mammals consist of different sets of bones. Identify the phenomenon in which the members of a species do not interbreed with the members of other species or same species 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.