Structure of ocean floor - class-VII
Description: structure of ocean floor | |
Number of Questions: 30 | |
Created by: Saurabh Mittal | |
Tags: the universe and solar system biology realms of the earth water- land- air geography natural resources structure of ocean floor water water bodies the realms of the earth hydrosphere oceans and fishing tides and ocean currents the natural realms of the earth- lithosphere natural resources - air, water and land social science |
The process by which water continually changes its form and circulates between oceans, atmosphere and land.
The rhythmic rise and fall of ocean water twice in a day is called __________.
Generally the warm ocean currents originate near __________.
The deepest point of the oceans is ____________ in the Pacific Ocean near Philippine Islands.
The Continental shelf is useful for ________.
Even though 70% of the earth's surface is covered by water, the water available for human use through rivers, lakes and tanks is only _______.
The most saline water in the world is that of ___________.
Abundant food for fish is available near ___________.
Echo-sounding is a ____________.
Land and Sea breezes are basically caused by ______________.
Which waterway does not pass through the Panama Canal ?
The largest Fresh water lake is _____________.
Correct the false statements.
The continental slope comprises of ____________ of the ocean area.
Continental shelf of the ocean occupies about _____ of the ocean area.
The largest continental shelf is _____________ in the Arctic Ocean.
Since 70.78 percent of the earth's surface is covered by water it is called ___________.
A narrow strip of water body joining two large water bodies is called ___________.
Which are called the flattest and smoothest regions of the oceans?
The Suez Canal connects the Mediterranean Sea with the _________.
The sub-marine canyons are found in ________.
The average depth of the Continental Shelf is _________.
Deepest place in the Pacific Ocean is __________.
The deep sea plains are also called ________ plains.
The percentage of freshwater available on the surface of land is ______.
Hydrosphere comes from the ______ word 'hudor' meaning water.
Sunlight can penetrate into the ocean only up to a depth of ________.
Fresh water of the Earth is only _______.
Among the following areas, the widest continental shelf of India is found:
Which of the following statements are true regarding the importance of ocean?