Hydrosphere Class 8. We covered all the Hydrosphere Class 8 in this post for free so that you can practice well for the exam.
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Hydrosphere Class 8 Objective for Students
A ridge of 64000 km in length and 2000 km to 2400 km in width passing through North and South Atlantic oceanic basins enters into the South Pacific oceanic basin through the Indian Oceanic and then from the middle of Australia and Antarctic. This ridge is
(A) Socotra-Lakshadweep: Changos-Ridge
(B) Pacific: Antarctica Ridge
(C) Dolfin: Challenger Ridge
(D) Mid: Oceanic Ridge
Option d – Mid: Oceanic Ridge
Where is ‘Ninety East Ridge’ situated?
(A) Pacific Ocean
(B) Indian Ocean
(C) Atlantic Ocean
(D) Arctic Ocean
Option b – Indian Ocean
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
Option a – below 1/3 atmosphere
The largest amount of fresh water on our planet is in
(A) River
(B) Lakes and streams
(C) Glaciers and mountains
(D) Underground water
Option c – Glaciers and mountains
On the planet Earth, most of the freshwater exists as ice caps and glaciers. Out of the remaining freshwater, the largest proportion
(A) is found in the atmosphere as moisture and clouds
(B) is found in freshwater lakes and rivers
(C) Exists as groundwater
(D) Exists as soil moisture
Option c – Exists as groundwater
Which one is the most extensive part of the oceanic floor?
(A) Ocean Deeps
(B) Oceanic Slope
(C) Oceanic Shelves
(D) Deep Sea Plains
Option d – Deep Sea Plains
Consider the following statements. 1. On the planet Earth, the fresh water available for use amounts to less than 1% of the total water found. 2. Of the total freshwater 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
Option a – Only 1
On the sea level, the nearest place to the center of Earth is?
(A) North Pole
(B) Tropic of Capricorn
(C) Tropic of Cancer
(D) Tropic of Equator
Option a – North Pole
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 dateline
(D) is an imaginary line that passes through zero degrees meridian
Option a – is a horizontal line to the sea level from where heights and depths are measured
Which one of the following seas is the deepest?
(A) South China Sea
(B) Bering Sea
(C) Mediterranean Sea
(D) Japan Sea
Option a – South China Sea
The surface of Earth covered with water is approximately
(A) One-fourth
(B) Half
(C) Two-third
(D) Three-fifth (3/5)
Option c – Two-third
The largest part of our hydrosphere is
(A) the Atlantic ocean
(B) the Indian Ocean
(C) the Pacific ocean
(D) the Antarctica ocean
Option c – the Pacific ocean
We covered all the hydrosphere class 8 above in this post for free so that you can practice well for the exam.
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