41). ��.
A). �. |
B). .. |
C). .. |
D). .. |
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42). The difference in the duration of day and night increases as one moves from :
A). West to east |
B). East and west of the prime meridian |
C). Poles to equator |
D). Equator to poles |
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43). The sun is never overhead at any time in : I. North Temperate Zone II. South Temperate Zone III. North Frigid Zone IV. Torrid Zone
A). III only |
B). I, II and III |
C). II and III |
D). I, II, III and IV |
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44). Which of the following statements with regard to the term 'great circle' is not correct?
A). Equator is a great circle |
B). A ship can save fuel and time by following the great circle are between two points |
C). Only one great circle can be drawn on a sphere |
D). A great circle results when a plane passes through the centre of a sphere |
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45). The term 'syzygy' is referred to when the :
A). Earth is at perihelion and moon at perigee |
B). Earth is at aphelion and moon at apogee |
C). Moon and sun are at right angles with reference to the each |
D). Moon, sun and earth lie along a straight line |
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46). The sun reaches its maximum angular distance from the equator at the :
A). zenith |
B). solstice |
C). equinox |
D). noontime |
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47). The South Pole experiences continuous light at :
A). summer solstice |
B). winter solstice |
C). vernal equinox |
D). no time |
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48). The shortest day in Australia will be on :
A). 21st June |
B). 22nd December |
C). 23rd September |
D). 21st March |
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49). The permanent tilt of earth's axis and the revolution of the earth in its orbit together cause : I. Deflection of winds and ocean currents II. Differences in time between places on different meridians III. Varying length of day and night at different times of the year IV> Changes in the altitude of the mid-day sun at different times of the year
A). II, III and IV |
B). I and IV |
C). III and IV |
D). I, II and III |
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50). Which of the following best describes longitude?
A). An imaginary line jointing north and south poles |
B). The distance between a place est or west of the Greenwich Meridian |
C). The angular distance east or west of the Greenwich Meridian |
D). The position of a place on earth's surface with reference to the Prime Meridian |
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