Tag: landforms of the earth and internal forces
Questions Related to landforms of the earth and internal forces
Consider the following statements:
I. Ocean currents are large mass of surface water, that circulate in regular patterns around the oceans.
II. The planetary winds are probably the dominant influence on the flow of ocean currents.
III. The water of high salinity are denser than the water of low salinity.
IV. A land mass always obstructs and diverts an ocean current.
Which of the statements given above is/are correct?
The acidification of oceans is increasing. Why is this phenomenon a cause of concern?
2. The growth and survival of coral reefs will be adversely affected.
3. The survival of some animals that have phytoplanktonic larvae will be adversely affected.
4. The cloud seeding and formation of clouds will be adversely affected.
Consider the following statements with reference to the continental shelf:
1. It is submerged in water.
2. Its average depth is 100 fathoms.
3. Its higher percentage is found in the Pacific ocean.
4. It is wider, where high mountains are close and parallel to the coast.
Which of the statements given above is/are correct?
Which of the following conditions hinders the development of corals?
Which of the following factors affects the origin and nature of movement of ocean current?
Identify the wrong pair.
With respect to thermocline, choose the correct statement:
1. Layer in which temperature changes more rapidly than it does in layers above as below.
2. It depends upon season, latitude and turbulent mixing by wind.
3. It may be semi-permanent feature of body of water in which they occur.
Which among the following statements about the North Atlantic Drift is/are correct?
1. It keeps the West coast of Northern Europe ice free.
2. It is responsible for the warm air mass which interacts with the cold air mass from the Polar region and causes rainfall in Western Europe.
3. It meets the Labrador current near Vancouver Island and causes dense fog.
Tides are of various types, caused by different alignments of Sun, Moon and Earth. Choose correct statement.
1. Height of high tide and low tides at different places in different oceans, differs.
2. At perigee, spring tide gets abnormally high.
3. Same place will have another spring tide after 12 hours exactly.
Which of the following statements relating to tsunami is/are correct?
As the tsunamis leave the deep water of the open sea and travel towards shallow water:
1. The speed is reduced considerably.
2. They attain enormous height.
3. They appear as a gentle rise and fall of the sea.