1. A shooting star is (CSS 2014)
(a) Sun
(b) A comet
(c) A meteor
(d) An asteroid
2. The atmosphere of moon consists of: (CSS 2013)
(a) 90% Hydrogen, 10% Nitrogen
(b) 80%Nitrogen, 20% Hydrogen
(c) 60% Nitrogen, 40% inert gases
(d) None of these
3. Deficiency of Vitamin B causes (CSS 1994)
(a) Rickets, beriberi
(b) Night, blindness
(c) Scurvy
4. Cheapest source of producing electricity is (CSS 1994)
(a) Coal
(b) Natural gas
(c) Water
(d) None of these
