Tag: general knowledge

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.

Volcanic eruptions do not occur in the ____________.

The interval between two high tides is approximately _________.

Identify the odd one.

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

Extensive coral formations develop between 30°N and 30°S especially on the sides of the landmasses.

Which of the following theory is related to origin of tides.
1. Isostasy theory 
2. Dynamic theory of Laplace
3. Canal theory of G. B. Airy
4. Equilibrium theory of Newton.