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- Question
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)
- Correct Answer
- both (a) and (b)
- 1. The oldest rocks found in ocean basins are ____ than the oldest continental rocks.
Options- A. older
- B. younger
- C. larger
- D. smaller Discuss
- 2. The planet that takes the highest time for completing a rotation is
Options- A. Mercury
- B. Venus
- C. Earth
- D. Pluto Discuss
- 3. The Palaeozoic era starts at ____ million years ago and ends at ____ million years ago.
Options- A. 500, 100
- B. 570, 225
- C. 470, 150
- D. 470, 225 Discuss
- 4. The progressive wave theory regarding of tides was put forth by
Options- A. R.A. Harris
- B. Issac Newton
- C. William Whewell
- D. G.B. Airy Discuss
- 5. The reaction between compounds and oxygen is called
Options- A. oxidation
- B. hydrolysis
- C. carbonation
- D. solution Discuss
- 6. The polar diameter is ____ to the equatorial diameter.
Options- A. more
- B. equal
- C. less
- D. they cannot be compared Discuss
- 7. 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
- 8. 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
- 9. 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
- 10. 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
World Geography problems
Search Results
Correct Answer: younger
Correct Answer: Venus
Correct Answer: 570, 225
Correct Answer: William Whewell
Correct Answer: oxidation
Correct Answer: less
Correct Answer: saltation
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
Correct Answer: 36 percent
Correct Answer: chlorine, sodium, sulphate, magnesium, calcium, potassium
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