Tag: movements of ocean and sea water

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Questions Related to movements of ocean and sea water

Multiple choice geography ocean and man circulation of ocean water movements of ocean and sea water oceans : temperature, salinity and density study of water pollution threats to water resource pollution and environment

Which is most abundant element in sea water?

  1. Sodium

  2. Chlorine

  3. Iodine

  4. Potassium
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The most abundant dissolved ions in seawater are sodium, chloride, magnesium, sulfate and calcium. Its osmolarity is about 1000 mOsm/l.

Multiple choice geography ocean currents movements of ocean water movements of ocean and sea water oceanic circulations

In which of the following, the direction of Ocean currents are reversed with season?

  1. In Pacific Ocean

  2. In Atlantic Ocean

  3. In Indian Ocean

  4. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The current systems of the Indian Ocean are largely controlled and modified by landmasses and monsoon winds. The currents in the northern Indian Ocean change their flow direction twice a year due to north-east and south-west monsoon winds.

Multiple choice geography ocean currents movements of ocean water movements of ocean and sea water oceanic circulations

The scandinavian countries are located in high latitudes. Parts of countries located in the same latitudes freeze during winter, but the ports located on the Norwegian coast do not freeze. 
This is the mainly due to the fact that __________________.

  1. Many small rivers drain to the sea

  2. There is a chain of volcanoes

  3. The North Atlantic Drift flows past the coast

  4. The Westerlies blow from the South West
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
The scandinavian countries are located in high latitudes. Parts of countries located in the same latitudes freeze during winter, but the ports located on the Norwegian coast do not freeze. 
This is the mainly due to the fact that the North Atlantic Drift flows past the coast.

The relatively warm waters of the North Atlantic Drift are responsible for moderating the climate of western Europe, so that winters are less cold than would otherwise be expected at its latitude. Water in the north Atlantic sinks because it is dense.

Multiple choice geography ocean currents movements of ocean water movements of ocean and sea water oceanic circulations

The ocean water current which flow slowly is called ______.

  1. warm current

  2. cold current

  3. stream

  4. drift
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The ocean water current which flow slowly is called Drift. They are affected by atmospheric circulation and the wind belts. When the wind blows over the sea's surface in one direction for a period of time, the stress force produced by friction between the air and the sea water cause the sea water to flow.

Multiple choice geography ocean currents movements of ocean water movements of ocean and sea water oceanic circulations

Which is the deepest oceanic trench? 

  1. Java

  2. Puertorico

  3. Mariana

  4. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The Challenger Deep in the Mariana Trench is the deepest known point in Earth's oceans. It is located in the western Pacific Ocean, to the east of the Mariana Islands. The trench is about 2,550 kilometres (1,580 mi) long with an average width of 69 kilometres (43 mi).

Multiple choice geography ocean currents movements of ocean water movements of ocean and sea water oceanic circulations

The ocean water current which flow speedily is called ______.

  1. warm current

  2. cold current

  3. stream

  4. drift
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The ocean water current which flow speedily is called Stream. The Gulf Stream is typically 100 kilometers wide and 800 meters to 1,200 meters deep. The current velocity is fastest near the surface with the maximum speed typically about 2.5 meters per second.

Multiple choice geography ocean currents movements of ocean water movements of ocean and sea water oceanic circulations

The oceanic currents flowing towards the Equator are ______.

  1. warm currents

  2. cold currents

  3. streams

  4. drifts
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Ocean currents act much like a conveyer belt, transporting warm water and precipitation from the equator toward the poles and cold water from the poles back to the tropics. Thus, currents regulate global climate, helping to counteract the uneven distribution of solar radiation reaching Earth’s surface. Without currents, regional temperatures would be more extreme—super hot at the equator and frigid toward the poles—and much less of Earth’s land would be habitable.

Multiple choice geography ocean currents movements of ocean water movements of ocean and sea water oceanic circulations

In which year the tsunami waves devastated the east coast of India?

  1. 2002

  2. 2004

  3. 2005

  4. 2006
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Indian Ocean Tsunami of 2004, hit the coast of several countries of South and Southeast Asia in December 2004. An earthquake undersea of magnitude 9.1 struck off the coast of the Indonesian Island of Sumatra. Tens of thousands were reported dead and missing in Sri Lanka and India. The tsunami and its aftereffect were responsible for great devastation and loss at the end of the Indian Ocean.