71). The latitude is the angular distance of a point of the Earth's surface, North or South of the equator as measured from the
A). centre of the Earth |
B). tropic of Cancer or the Capricorn |
C). equator |
D). poles |
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72). Variations in the length of day time and night time from season to season are due to
A). the Earth's rotation on its axis |
B). the Earth's revolution round the Sun in an elliptical manner |
C). latitudinal position of the place |
D). revolution of the Earth on a tilted axis |
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73). Consider the following statements 1. The vernal equinox falls on 21st March. 2. On equinox, the Sun is directly overhead at the equator. 3. The changes in the day length after equinox result from the changes in the tilt of the Earth with respect to the Sun. Which of the statements given above is/are correct?
A). 1 and 2 |
B). Only 1 |
C). 1, 2 and 3 |
D). 2 and 3 |
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74). Consider the following statements 1. The Earth's rotation axis is not at 90° to its orbital plane. 2. The Earth's rotation axis is inclined at 23.50. Which of the statements given above is/are correct?
A). Only 1 |
B). Only 2 |
C). Both 1 and 2 |
D). Neither 1 nor 2 |
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75). Consider the following statements 1. International Date Line is drawn zigzag to avoid landmass. 2. International Date Line is 180° West as 180° East of Greenwich. 3. A ship sailing Westward from Greenwich when crossing International Date line would put back the date by a day. Which of the statements given above is/are correct?
A). 1 and 2 |
B). 1 and 3 |
C). 1, 2 and 3 |
D). Only 3 |
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76). Which one among the following planet is smaller in size than the Earth?
A). Neptune |
B). Venus |
C). Saturn |
D). Uranus |
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77). If there are four places on the same meridian 500 km apart and the local time at one place is 12:00 noon, what will be the time at the three other places?
A). 12:00 noon |
B). 0.541666666666667 |
C). 0.583333333333333 |
D). Different time at different places |
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78). How much of a time period 15° longitudes account for?
A). 4 min |
B). 15 min |
C). 30 min |
D). 60 min |
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79). Which of the following is not correctly matched?
A). Prime Meridian : 0° |
B). International Date Line : 180° |
C). Arctic Circle : 66.5° N |
D). Tropic of Cancer : 23.5° S |
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80). Which one of the following is difference in local time between the places located a 165° East and 165° West?
A). 0 hrs |
B). 12 hrs |
C). 22 hrs |
D). 24 hrs |
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