The Earth
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The Earth
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25 Questions

1. The equatorial circumference is greater than the polar circumference by approximately:
2. The latitude of a place is the same as the: [CDS 1991]
3. The earth is at the least distance from the sun (Perihelion) on :
4. At neap tide: 1. the sun and moon exert their force at right angles 2. the tidal amplitude is high 3. the low tides are very low
5. Which one of the following cities does not have the same clock time as that of the other three cities at any given instant? [IAS 2007]
6. The latitude of a place expresses its angular position relative to the plane of
7. The sun reaches its maximum angular distance from the equator at the:
8. The local time at A is 4 p.m - when Greenwich Mean Time is 2 p.m. This indicates: 1. A is east of Greenwich 2. the longitude of A is 30°
9. When it is 12.00 noon at Delhi (77° 10'E) - people at another place on earth take their 6 o'clock morning tea. The longitude of that place is:[CDS 2001]
10. Variation in duration of day and night is due to: 1. rotation of earth on its axis 2. revolution of earth around the sun 3. inclination of earth at an angle of
11. The position of a planet when it is nearest to the Sun - is called:
12. The International Dateline deflects to a side to avoid:
13. The time of Cairo is 2 hours ahead of Greenwich time Cairo is situated at :
14. Which of the following is the best definition of 'Tides' ? [SBI PO 1991]
15. The Tropic of Cancer passes through: [CPO AC 2003]
16. Beirut time is two hours ahead and Lima time is five hours behind GMT. The longitudes of Beirut and Lima are respectively: [CPO SI 2002]
17. The location of a place A is at 60° E longitude and 30° S latitude while the location of B is at 60° E longitude and 45° N latitude. Time at B will be :
18. When would you record the maximum angle of incidence of the sun's rays at the north pole?
19. The earth revolves round the sun in its orbit by approximately:
20. Which of the following is not an effect produced by rotation of earth?
21. Which of the following are true regarding the crust of the earth? 1. It is the outer thin layer with a total thickness of about 100 km 2. It forms around 0.5 percent of the earth's volume 3. The outer covering of the crust is of sedimentary material 4. The lower layer of the crust consists of basaltic and ultra-basic rocks
22. When it is 8 P.M. in Tokyo - what is the time at Panama Canal which is located at 180° W of it?
23. If a solar eclipse occurs when the moon is quite far from the earth - the eclipse would be likely to be :
24. The upper part of the mantle upon which the crust of the Earth floats is called: [IAS 2003]
25. The approximate diameter of the earth is :