Which of the following are the factors that are mainly responsible for the movements of surface oceanic currents? 1. Prevailing winds 2. Earth's Rotation 3. Earthquake activity 4. Bottom Topography 5. Difference in the density of seawater

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?
• 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 of the following is/are matched correctly? 1. Earthquake's origin - seismic focus 2. Epicentre - point on earth's surface directly above seismic focus 3. 5 waves - similar to sound waves 4. Richter scale - severity of earthquake
• 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
• Which factors influence ocean currents? 1. Coriolis force 2. Local winds 3. Waves 4. Continent shape
• The term used for the zone at low pressure and light and variable winds in the oceanic equatorial regions is :
• 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
• Winds and air currents differ in the aspect that: