A) Methane
B) Oxygen
C) Hydrogen
D) Water vapour
Correct Answer: A
Solution :
According to Oparin, the atmosphere of primitive earth was reducing because H atoms were most numerous and most reactive. Large quantities of \[{{\text{H}}_{\text{2}}}\text{,}{{\text{N}}_{\text{2}}}\]water vapour, \[\text{C}{{\text{O}}_{\text{2}}}\text{,C}{{\text{H}}_{\text{4}}}\]and \[\text{N}{{\text{H}}_{\text{3}}}\]were present but free oxygen was not present in significant amount.
You need to login to perform this action.
You will be redirected in
3 sec
