41: The Function of heavy water in a nuclear reactor is to
(a) Stop the nuclear reaction
(b) Slow down the speed of neutrons
(c) Cool down the reactor
(d) Increase the speed of neutrons
42: Which one of the following was used as a chemical weapon in the First World War?
(a) Carbon monoxide
(b) Hydrogen cyanide
(c) Mustard gas
(d) Water gas
43: The rising of evening star Venus indicates:
(a) South pole
(b) North pole
(c) East
(d) West
44: The time taken by the sun to revolve around the centre of our galaxy is
(a) 25 million years
(b) 100 million years
(c) 250 million years
(d) 500 million years
45: Who among the following was chosen as the FIFA World Player of the Year for the Year 2006 ?
(A) Fabio Cannavaro
(B) Ronaldinho
(C) Zinedine Zidane
(D) Thierry Henry