Q.

Assertion : Owls can move freely during night.
Reason : They have large number of rods on their retina.

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.

(3)

Owls can move freely during night, because they have large number of cones on their retina which help them to see in night. Thus, assertion is true but reason is false.