1.

Question : Assertion: Primary atmosphere of primitive earth was reducing Reason: Primary atmosphere had abundance of CH_4 , NH_3 and CO_2 but had no free O_2

Answer»

If both ASSERTION and Reason are true and the Reason is the correct EXPLANATION of the Assertion
If both Assertion and Reason are true and the Reason is not the correct explanation of the Assertion.
If Assertion is true but the Reason is FALSE.
If both Assertion and Reason are false.

Answer :A


Discussion

No Comment Found