Who was the first man who journeyed into space on 12 April 1961?

Who is called the father of automobile?

Which drug was synthesised by the American doctors Woodward and Doering?

Which is the technique of transmitting light waves through glass wires as thin as human hair?

Who was the first woman to visit space ?

Among the following which is used as catalysts in industries?

Which invention is considered as an achievement of the late 19^th century ?

Which invention made the surgical procedures easy?

Which among the following plays a very significant role in portraying the social, political and economic conditions of any country ?

The investigative journalism by which among the following has resulted in the fall of governments ?