Hydrosphere Quiz

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

(A) Tropic of equator

(B) Tropic of Cancer

(C) Tropic of Capricorn

(D) North Pole

Question 2. Datum line_________.

(A) is an imaginary line which passes through zero degree meridian

(B) International date line

(C) is the mean of primary and secondary data

(D) is a horizontal line to the sea level from where heights and depths are measured

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

(A) Japan Sea

(B) Mediterranean Sea

(C) Bering Sea

(D) South China Sea

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

(A) Three-fifth (3/5)

(B) Two-third

(C) Half

(D) One-fourth

Question 5. The largest part of our hydrosphere is________.

(A) Antarctica ocean

(B) Pacific ocean

(C) Indian ocean

(D) Atlantic ocean

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) Mid – Oceanic Ridge

(B) Dolfin – Challenger Ridge

(C) Pacific – Antractica Ridge

(D) Socotra-Lakshadweep – Changos-Ridge

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

(A) Arctic Ocean

(B) Atlantic Ocean

(C) Indian Ocean

(D) Pacific Ocean

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

(A) At 15 atmosphere

(B) At 5 atmosphere

(C) At 1.25 atmosphere

(D) below 1/3 atmosphere

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

(A) Underground water

(B) Glaciers and mountains

(C) Lakes and streams

(D) River

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) Exists as soil moisture

(B) Exists as ground water

(C)is found in fresh water lakes and rivers

(D) is found in atmosphere as moisture and clouds

Question 11. 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) Neither 1 nor 2

(B) Both 1 and 2

(C) Only 2

(D) Only 1

Question 12. Which one is the most extensive part of the oceanic floor?

(A) Deep Sea Plains

(B) Oceanic Shelves

(C) Oceanic Slope

(D) Ocean Deeps