Cold spark plug, which dissipates heat more effectively,

Which one of the following lymphoid organ is large at birth but reduces with age ? 

Match List-I with List-II :

Plants are divided into ______ groups.

Which antibodies are present in individuals with blood group AB?

Measles is caused by ______.

The term ‘GEAC’ stands for:

Which plants have root nodules?

Which disease is known as the 'silent killer' because it often has no symptoms but can cause heart attack or stroke?

DPT vaccine does not give protection to a child from