1. The average diameter of the earth is approximately ?
- (A) 25,000 miles
- (B) 10,000 miles
- (C) 8,000 miles
- (D) None of these
2. The circumference of the earth is-
- (A) 25,000 kms
- (B) 25,000 miles
- (C) 8.000 km
- (D) 8.000 miles
3. The three basic movements of earth are
- (A) Galactic, revolution and rotation
- (B) Katabatic, revolution and rotation
- (C) Adiabatic, revolution and rotation
- (D) None of these
4. When earth is closest to the sun, it is at-
- (A) Perihelion
- (B) Aphelion
- (C) Kames
- (D) None of these
5. The earth’s axis is tilted at an angle of
- (B) 66(1/2) Degrees
- (A) 23 (1/2) Degrees
- (D) 20 Degrees
- (C) 33(1/2) Degrees
6. The earth’s movement in its orbit is from
- (A) West to East
- (B) East to West
- (C) North to South
- (D) South to North
7. isolation is ?
- (A) Solar radiation
- (B) Earth radiation
- (C) Satellite radiation
- (D) None of these
8. Intensity and duration of insolation are major factors that determine seasons, lt varies due to?
- (A) Inclination of axis and revolution
- (B) Rotation
- (C) Revolution
- (D) one of these
9. The mid latitude temperature zone extends from 23 o to 66 latitude-
- (A) in southern hemisphere
- (B) In northern hemisphere
- (C) Both
- (D) None of these
10. Meteorology is a science devoted to the study of ?
- (A) Planets
- (B) Earth
- (C) Atmosphere and its phenomena
- (D) All of these
11. Bitumen is obtained from?
- (A) Kerosene oil
- (B) Forest and planets
- (C) Crude oil
- (D) Underground mines
12. The sun’s temperature is maintained by the thermonuclear reactions associated with
- (A) Hydrogen
- (B) Nitrogen
- (D) Water
- (C) oxygen
13. Astronomy is a science devoted to the study
- (A) Heavenly bodies
- (B) Predictions
- (C) Palm lines
- (D) None of these
14. What is the time difference between Indian standard time and Greenwich mean time–
- (B) 4 hrs
- (A) 2 hrs
- (D) 3 hrs
- (C) 5 hrs
15. The period of lunar eclipse is longer when
- (A) the moon is at the farthest point from the earth
- (B) The moon is nearer to the earth
- (C) The moon is moving at very slow speed
- (D) The eclipse occurs at night
16. The definition of rocket is–
- (A) A vehicle that takes up by a satellite to its orbit
- (B) A projectile that moves up by the propulsion of expelled gases
- (C) A weapon that is used to drop chemical bombs in enemies territory
- (D) All of these
17. The satellite construction centre in India is at
- (A) Bangalore
- (B) Thumba
- (C) Sriharikota
- (D) Peenya
18. A narrow strip of land connecting two large land masses is known as
- (A) Pass
- (B) Strait
- (C) Isthmus
- (D) Bay
19. The tropic of Capricorn passes through-
- (A) Angola
- (B) Zambia
- (C) Malagasy
- (D) Bolivia
20. A country near the Arctic circle but with many geysers and hot water springs is
- (A) Greenland
- (B) Sweden
- (C) Norway
- (D) Iceland
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