Q.

Assertion: Variations are seen in offspring produced by asexual reproduction.
Reason: DNA molecule generated by replication is not exactly identical to original DNA.

1 Both Assertion and Reason are correct and Reason is the correct explanation of Assertion.  
2 Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.  
3 Assertion is true but Reason is false.  
4 Assertion is false but Reason is true.  

Ans.

(4)

Variations are not seen in the offspring produced by the asexual reproduction since only a single parent is involved the variations are not there and thus assertion is false but reason is true.