Q.

Assertion: The genetic complement of an organism is called genotype.
Reason: Genotype is the type of hereditary properties of an organism.

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.

(1)

Genotype of the organism includes all dominant and recessive characters. Thus, both assertion and reason are correct and reason is the correct explanation of the assertion.