1. The core of the Earth is made up of: [IAS 2003]

2. Which part of the earth's surface receives the highest amount of insolation?

3. If news is broadcast from London at 10:30 AM - at what time it will be heard at Baghdad (45°E)? [CDS 2012]

4. Which of the following statements regarding the earth's axis are true? 1. It makes an angle of with the plane of ecliptic 2. It maintains a flexible orientation with respect to the stars 3. It is the most important fact connected with Earth-Sun relationship

5. 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]

6. The earth rotates around its axis from: [RRB 1991]

7. Choose the incorrect statement; [IFS 1993]

8. Which one of the following elements is most abundant in the earth's crust? [NDA 2005]

9. Of the total volume of the earth - which layer forms the major part ?

10. The Earth is an oblate spheroid and not a perfect sphere. This is because [CDS 2010] 1. the Earth has a rotational motion and the rotational speed increases as one goes from the Poles towards the Equator. 2. the Equator experiences greater gravitational pull from the Sun. 3. the intensity of sunlight received at the Equator is greater than that at the Poles.

11. The upper part of the mantle upon which the crust of the Earth floats is called: [IAS 2003]

12. Which one of the following has geographical position of 0 degree latitude and 0 degree longitude? [CDS 2008]

13. If a place is located at 20°N - 80°E in which of the following continents does it lie? [CDS 1989]

14. Why does Russia have many local time differences?

15. 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

16. 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 :

17. Match the following: [IAS 2009] Discontinuity Layer of Earth's interior associated with discontinuity A. Weichert - Gutenberg discontinuity 1. Outer core and inner core B. Mohorovicic (Moho) discontinuity 2. Lower mantle and outer core C Lehman discontinuity 3. Upper mantle and lower mantle D. Conrad discontinuity 4. Lower crust and upper mantle 5. Division of Sial and Sima within the crust A B C D

18. Which of the following is/are true of world time zones? 1. The world is divided into thirty time zones 2. All time zones of the world are described in term of the number of hours difference between the standard meridian of that zone and the Greenwich Meridian 3. All countries have more than one time zone 4. The time for all places east of Greenwich is designated slow - and time for all places left of Greenwich is designated fast

19. 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]

20. The antipodal position of a place located at 35° south and 80° west is [Asstt Commdt 2010]

21. A person sets off from Alaska on a Tuesday and reaches New Zealand the next day which will be :

22. Match the following: [CDS 1991] Date Conditions in Northern Hemisphere A. March 21st 1. Winter Solstice B. June 21st 2. Autumnal Equinox C. September 21st 3. Summer Solstice D. December 22nd 4. Vernal Equinox A B C D

23. Which of the following statements with regard to the term 'great circle' is not correct?

24. Match the following: [IFS 1993] Countries World time (hours fast (+) or slow (-) on GMT) A. Afghanistan 1. -“ 5 B. Bangladesh 2. C. Bhutan 3. + 6 D. Columbia 4. A B C D

25. On the 21st June - the day light is seen at the North Pole for: