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.

Assertion (A) : Increase in carbon dioxide would melt polar ice.
Reason (R) : Global temperature would rise.

A. BOTH A AND R ARE TRUE AND R IS 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.

Choose the correct alternative from the following : - Assertion (A) : Plaster of Paris is used by doctors for setting fractured bones.
Reason (R) : When Plaster of Paris is mixed with water and applied around the fractured limbs, it sets into a hard mass.

A. BOTH A AND R ARE TRUE AND R IS THE CORRECT EXPLANATION OF A.