Winds and air currents differ in the aspect that:

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
• 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
• 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 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
• Which factors influence ocean currents? 1. Coriolis force 2. Local winds 3. Waves 4. Continent shape
• Consider the following statements about anticyclones: (1) The winds are divergent, and spiral out from the centre of high pressure (2) The air moves clockwise in the Northern Hemisphere and anticlockwise in Southern Hemisphere (3) It is accompanied by heavy rainfall (4) A sudden rise in barometric reading heralds the approach of anticyclone Which of these statements are correct?
• With reference to the sub-tropical high pressure belt, consider the following statements: 1. It is affected by Earth's rotation and descent of winds from higher altitudes. 2. It is dynamically induced and characterized with anti-cyclonic conditions. Which of the statement(s) given above is/are correct? [IAS 2009]