1. The European country which first started trade with India was : (a) France (b) Holland (c) Portuga l (d) England 2. The science of impro...

1. The first effective vaccine against polio was prepared by Jonas E. Salk. 2. World AIDS day is observed on December 1 3. Television was ...

1.Quit India movement was organized in the year? A] 1942 B] 1946 C] 1917 D] 1930 2.Who was the founder of Arya Samaj? A] Rajaram Mohan Roy B...

1. For education of measles, immunization coverage should be at least (a) 80% (b) 85% (c) 96% (d) 100% 2. Period of maximum infectivity in m...