Hydrosphere MCQ (Multiple Choice Questions and Answers)

Question 1. On the sea level, nearest place to the centre of Earth is? 

(A) North Pole
(B) Tropic of Capricorn
(C) Tropic of Cancer
(D) Tropic of equator

Answer : A

Question 2. Datum line 

(A) is a horizontal line to the sea level from where heights and depths are measured
(B) is the mean of primary and secondary data
(C) International date line
(D) is an imaginary line which passes through zero degree meridian

Answer : A

Question 3. Which one of the following seas is the deepest? 

(A) South China Sea
(B) Bering Sea
(C) Mediterranean Sea
(D) Japan Sea

Answer : A

Question 4. The surface of Earth covered with water is approximately

(A) One-fourth
(B) Half
(C) Two-third
(D) Three-fifth (3/5)

Answer : C

Question 5. The largest part of our hydrosphere is 

(A) Atlantic ocean
(B) Indian ocean
(C) Pacific ocean
(D) Antarctica ocean

Answer : C

Question 6. A ridge of 64000 km length and 2000 km to 2400 km width passing through North and South Atlantic oceanic basins enters into the South Pacific oceanic basin through Indian oceanic and then from the middle of Australia and Antarctic. This ridge is

(A) Socotra-Lakshadweep – Changos-Ridge
(B) Pacific – Antractica Ridge
(C) Dolfin – Challenger Ridge
(D) Mid – Oceanic Ridge

Answer : D

Question 7. Where is ‘Ninety East Ridge’ situated?

(A) Pacific Ocean
(B) Indian Ocean
(C) Atlantic Ocean
(D) Arctic Ocean

Answer : B

Question 8. The tension of gravitational water in the ground is 

(A) below 1/3 atmosphere
(B) At 1.25 atmosphere
(C) At 5 atmosphere
(D) At 15 atmosphere

Answer : A

Question 9. The largest amount of fresh water on our planet is in 

(A) River
(B) Lakes and streams
(C) Glaciers and mountains
(D) Underground water

Answer : C

Question 10. On the planet Earth, most of the fresh water exists as ice caps and glaciers. Out of the remaining fresh water, the largest proportion

(A) is found in atmosphere as moisture and clouds
(B) is found in fresh water lakes and rivers
(C) Exists as ground water
(D) Exists as soil moisture

Answer : C

Question 11. Which one is the most extensive part of the oceanic floor? 

(A) Ocean Deeps
(B) Oceanic Slope
(C) Oceanic Shelves
(D) Deep Sea Plains

Answer : D

Question 12. Consider the following statements.

1. On the planet Earth, the fresh water available for use amounts to about less than 1% of the total water found.
2. Of the total fresh water found on the planet Earth 95% is bound up in polar ice caps and glaciers.

Which of the statements given above is/are correct?

(A) Only 1
(B) Only 2
(C) Both 1 and 2
(D) Neither 1 nor 2

Answer : A

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