Which of the following are factors that effect the movement of ocean currents? 1. Earth's gravity 2. Atmospheric pressure 3. Winds 4. Salinity of the water 5. Seasonal Variations

Related MCQs

• Consider the following statements: 1. Ocean currents are the slow- surface movement of water in the ocean. 2. Ocean currents assist in maintaining the Earth's heat balance. 3. Ocean currents are set in motion primarily by prevailing winds. 4. Ocean currents are affected by the configuration of the ocean. Which of these statements are correct? [IAS 2002]
• Consider the following statements: 1. Ocean currents are the slow-surface movement of water in the ocean 2. Ocean currents assist in maintaining the Earth's heat balance 3. Ocean currents are set in motion primarily by prevailing winds 4. Ocean current are affected by the configuration of the ocean Which of these statements are correct?
• With reference to Ocean currents consider the following statements: 1. West Australian current is a warm current. 2. North East Monsoon Drift flows in the Indian Ocean during winter season. 3. Equatorial counter current does not flow in the Indian Ocean during winter season. 4. Kuroshic current in the Pacific Ocean is like Gulf Stream in the Atlantic Ocean. [NDA 2001]
• La Nina is suspected to have caused recent floods in Australia. How is La Nina different from El Nino ? 1. La Nina is characterised by un-usually cold ocean temperature in equatorial Indian Ocean whereas El Nino IS characterised by unusually warm ocean temperature in the equatorial Pacific Ocean. 2. El Nino has adverse effect on south-west monsoon of India, but La Nina has no effect on monsoon climate. Which of the statements given above is/are correct? [CSAT2011]
• Which factors influence ocean currents? 1. Coriolis force 2. Local winds 3. Waves 4. Continent shape
• Which of the following are reasons for the chief fishing grounds being located in continental shelf areas where cold and warm currents meet? 1. Warm currents are rich in phosphates and nitrates 2. Plankton - the chief fish feed - thrives in these regions 3. The meeting of cold and warm currents allows the water to be well aerated 4. The epicontinental seas allow sunlight to reach almost to the bottom
• Which one of the following factors is responsible for the change in the regular direction of the ocean currents in the Indian Ocean? [IAS 1997]
• The permanent tilt of the earth's axis and the revolution of the earth in its orbit together cause: 1. deflection of winds and ocean currents 2. differences in time between places on different meridians 3. varying length of day and night at different times of the year 4. changes in the altitude of the mid-day sun at different times of the year
• Transfer of surplus heat from the lower latitudes to higher latitudes is done by : 1. ocean currents 2. planetary winds 3. tides 4. waves
• Although the equatorial regions have the highest annual average temperatures, the salinity in the oceans is highest near the tropics because: 1. equatorial areas receive heavy rainfall 2. salinity is not affected by temperature 3. equatorial oceans experience a lot of turbulenees 4. high relative humidity in equatorial areas checks evaporation