EARTH MCQS SET 12

EARTH MCQS SET 12

1. Study the following diagram and say which of the given statements is not correct
regarding it :
(a) It shows the earth's orbital position on 21st June
(b) All parallels in the northern hemisphere have days equal to nights
(c) There is continuous day north of the Arctic Circle
(d) South of the equator the length of the day decreases with increasing latitude
Ans: (b)
 
2. 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
Ans: (d)
3. The sun is never overhead at any time in :
1. North Temperate Zone
2. South Temperate Zone
3. North Frigid Zone
 
4. Torrid Zone
(a) III only
(b) I, II and III
(c) II and III
(d) I, II, III and IV
Ans: (b)
 
4. 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 arc 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
Ans: (c)
 
5. The term 'syzygy' is referred to when the:
(a) Earth is at perihelion and moon at perigee
(b) Earth is at apehelion and moon at apogee
(c) Moon and sun are at right angles with reference to the earth
(d) Moon, sun and earth lie along a straight line
Ans: (d)

6. The sun reaches its maximum angular distance from the equator at the:
(a) zenith
(b) solstice
(c) equinox
(d) noontime
Ans: (b)
 
7. The South Pole experiences continuous light at:
(a) summer solstice
(b) winter solstice
(c) vernal equinox
(d) no time
Ans: (b)
 
8. The shortest day in Australia will be on:
(a) June 21
(b) December 22
(c) September 23
(d) March 21
Ans: (a)
 
9. 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
(a) II, III and IV
(b) I and IV
(c) III and IV
(d) I, II and III
Ans: (c)
 
10. Which of the following best describes longitude?
(a) An imaginary line joining north and south poles
(b) The distance between a place east 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
Ans: (c)