True/False Type Questions:
The primtive atmosphere of primitive earth was reducing.

True/False Type Questions: The atmosphere of earth was same at the time of origin of life and as present now.

True and False Type Questions At present average temperature of the earth is 15degc

Which gas was absent in the atmosphere of primitive earth ?

What was the nature of atmosphere in the primitive earth ?

True and False Type Questions Pacific ocean is the Lungs of the earth.

True and False Type Questions Gametes are always diploid.

Which was not present in primitive atmosphere?

True and False Type Questions India has 25 hotspots.