World Geography problems
- 1. The oldest rocks found in ocean basins are ____ than the oldest continental rocks.
Options- A. older
- B. younger
- C. larger
- D. smaller Discuss
Correct Answer: younger
- 2. The ocean water is saline due to
Options- A. evaporation of its surface
- B. volume of fresh water added by rainfall
- C. salts are already present in sea water
- D. both (a) and (b) Discuss
Correct Answer: both (a) and (b)
- 3. The polar diameter is ____ to the equatorial diameter.
Options- A. more
- B. equal
- C. less
- D. they cannot be compared Discuss
Correct Answer: less
- 4. The process where the particle moves from the surface to the medium in quick, continuous, repeated cycles is called
Options- A. saltation
- B. suspension
- C. traction
- D. solution Discuss
Correct Answer: saltation
- 5. The periodic rise and fall of the sea level on the earth, gives rise to tides. This is related to
Options- A. the position of the moon with reference to the earth and the gravitational pull exerted mainly by the moon and partly by the sun
- B. infrared rays from the sun
- C. ultraviolet rays from the sun
- D. None of the above Discuss
Correct Answer: the position of the moon with reference to the earth and the gravitational pull exerted mainly by the moon and partly by the sun
- 6. The percentage of sun's radiation reflected back into space is about
Options- A. 36 percent
- B. 47 percent
- C. 17 percent
- D. None of the above Discuss
Correct Answer: 36 percent
- 7. The relative abundance of dissolved salts in seawater in descending order is as follows
Options- A. chlorine, sodium, sulphate, magnesium, calcium, potassium
- B. sodium, chlorine, magnesium, potassium, sulphate, calcium
- C. chlorine, magnesium, calcium, sodium, potassium, sulphate
- D. chlorine, sodium, magnesium, calcium, potassium, sulphate Discuss
Correct Answer: chlorine, sodium, sulphate, magnesium, calcium, potassium
- 8. The phenomenon associated with collision and subduction of the planet is
Options- A. volcanoes
- B. island arcs
- C. earthquakes
- D. All of the above Discuss
Correct Answer: All of the above
- 9. The phenomenon of an opening occurring in the earth's surface through which a jet of hot water and steam is forces out at irregular intervals is called
Options- A. crater
- B. geyser
- C. hot spring
- D. volcano Discuss
Correct Answer: geyser
- 10. The obscuring of one celestial body by another, particularly that of the sun or a planetary satellite
Options- A. elliptic
- B. ecliptic
- C. eclipse
- D. None of the above Discuss
Correct Answer: eclipse
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