1)

In the following question, there are two statements labelled as Assertion (A) and Reason (R).

 

Assertion (A) : A salt-water fish drinks sea water whereas a fresh-water fish never drinks water.

Reason (R) : A salt-water fish is hypertonic to its environment while a fresh water fish is hypotonic to its environment.


A) Both A and R are true and R is the correct explanation of A

B) Both A and, R are true but R is not the correct explanation of A.

C) A is true but R is false.

D) A is false but R is true

E) Both A and R are false

Answer:

Option C

Explanation:

A is clearly true. However, this happens because a salt-water fish is hypotonic to its environment while a fresh-water fish is hypertonic to its environment.