Choose the correct alternative from the following : - Assertion (A) : Uranium undergoes nuclear fusion reaction.
Reason (R) : It has a big, unstable nucleus.

D. A IS FALSE BUT R IS TRUE.

Choose the correct alternative from the following : - Assertion (A) : Vaccines prevent diseases.
Reason (R) : Vaccines must be given to children.

B. BOTH A AND R ARE TRUE BUT R IS NOT THE CORRECT EXPLANATION OF A.

Choose the correct alternative from the following : - Assertion (A) : India is a democratic country.
Reason (R) : India has a Constitution of its own.

B. BOTH A AND R ARE TRUE BUT R IS NOT THE CORRECT EXPLANATION OF A.

Choose the correct alternative from the following : - Assertion (A) : Bangladesh imports jute from India.
Reason (R) : Bangladesh has most of the jute mills.

E. BOTH A AND R ARE FALSE.

Choose the correct alternative from the following : - Assertion (A) : Eskimos reside in igloos.
Reason (R) : No other material except snow is available.

C. A IS TRUE BUT R IS FALSE.