It is six months long day in the northern polar region and six months long night in the southern polar region because: [Railways 1993]

Related MCQs

• Westerlies in southern hemisphere are stronger and persistent than in northern hemisphere. Why? 1. Southern hemisphere has less landmass as compared to northern hemisphere. 2. Coriolis force is higher in southern hemisphere as compared to northern hemisphere. Which of the statements given above is fare correct? [CSAT 2011]
• Consider the following statements: 1. Temperature of surface water is comparatively higher in the northern hemisphere than in the southern hemisphere. 2. The isotherms in the southern hemisphere are not regular and do not follow the latitudes while they (isotherms) are regular and follow the latitudes in the northern hemisphere. Which of the statement(s) given above is/are correct? [IAS 2009]
• Consider the following statements: 1. The variation in average annual range of temperature at1 5° latitude of Southern Hemisphere is much less than that at 15° latitude of Northern Hemisphere. 2. At latitudes pole ward of 35° the incoming radiation exceeds the outgoing radiation in. Northern Hemisphere, whereas in Southern Hemisphere the outgoing radiation exceeds the incoming radiation. Which of the statements given above is/are correct? [IAS 2007]
• Consider the following statements about the 'Roaring Forties': 1. They blow uninterrupted in the Northern and Southern Hemispheres 2. They blow with great strength and constancy 3. Their direction is generally from North-West to East in the Southern Hemisphere 4. Overcast skies, rain and raw weather are generally associated with them Which of these statements are correct?
• The revelations of a satellite photograph of the earth are as follows: 1. the Southern hemisphere bulges slightly more than the Northern hemisphere 2. it is slightly pear shaped ellipsoid of rotation 3. the polar axis of the earth is slightly shorter than the equatorial axis 4. the equatorial circumference is about 40,000km Which of the above statements are correct ?
• No trees are found in Tundra biome near polar region of northern hemisphere. This is due to : [NDA 2011]
• 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
• 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?
• The deflection of the wind to the right in the northern hemisphere and to Its left in the southern hemisphere is caused by the
• Consider the following statements regarding the distribution and pattern of isotherms 1. In the northern hemisphere, isotherms bend sharply equator-ward over the continents during winter. 2. Temperature gradients are greater in summer than in winter in the northern hemisphere. Which of the statement(s) given above is/are correct? [IAS 2009]