11-Unit of frequency:
(A) Decibel
(B) Farad
(C) Hertz
(D) Ampere
12-World Heart day:
(A) September 29
(B) December 1
(C) September 26
(D) October 16
13-Which of the following is World Cancer Day?
(A) 8th March
(B) 30th January
(C) 28th December
(D) 4th February
14-Chemical name of caustic soda is:
(A) Sodium hydroxide
(B) Sodium carbonate
(C) Sodium bicarbonate
(D) Potassium carbonate
15-Which of the following is an air pollutant?
(A) Nitrogen oxide
(B) Sulphur dioxide
(C) Carbon monoxide
(D) All of the above
16-____ is the term related to breaking up and decays of rocks by the action of the sun, rain and wind etc.
(A) Weathering
(B) Erosion
(C) Denudation
(D) Apogee
17-Which of the following is a natural hot water spring?
(A) Perigee
(B) Geyser
(C) Lagoon
(D) Delta
18-Energy of the sun is called:
(A) Photomerism
(B) Phototropism
(C) Isolation
(D) Insolation
19-Where is the JFK airport?
(A) New York
(B) Chicago
(C) Atlanta
(D) Washington
20-In which year was the Suez Canal opened?
(A) 1839
(B) 1889
(C) 1869
(D) 1909
ANSWERS:
11-(C), 12-(A), 13-(D), 14-(A), 15-(D), 16-(A), 17-(B), 18-(D), 19-(A), 20-(C)