SSC CGL GEOGRAPHY The Earth Associated Fact
1. The earth rotates around its axis from:
(a) north to south (b) east to west
(c) south to north (d) west to east
2. The inclination of the earth’s axis to the orbital plane is :
(a) 21½º (b) 23½º
(c) 66½º (d) 90º
3. Match the following:
Date Northern Conditions in 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
Codes:
A B C D
(a) 1 2 3 4
(b) 1 3 4 2
(b) 2 3 1 4
(d) 4 3 2 1
4. The mean radius of the earth is approximately
(a) 3200 km (b) 6400 km
(c) 9600 km (d) 12800 km
5. Spring tides occur when :
(a) the moon is nearest to the earth
(b) the moon is farthest from the earth
(c) the moon, the sun and the earth are at right angles with the earth at the apex
(d) the moon, the sun and the earth are in the same line
6. The speed of rotation of the earth is the highest :
(a) along the Equator
(b) at the North Pole
(c) along the Tropic of Cancer
(d) along the Arctic Circle
7. Match the following :
A. Lithosphere l. The relatively light rocks that form the continental crust
B. Aesthe nosphere 2. The relatively dense rocks that form the oceanic crust
C. Sima 3. Part of earth’s upper mantle
D. Sial 4. The outer portion of the earth including the crust
A B C D
(a) 2 3 4 1
(b) 3 4 1 2
(c) 4 3 2 1
(d) 3 2 1 4
8. What can be the maximum duration of totality for a solar eclipse ?
(a) 12.5 minutes
(b) 7 minutes 40 seconds
(c) 1 hour 40 seconds
(d) There is no maximum duration
9. The total surface area of earth is :
(a) 510 million sq km
(b) 610 million sq km
(c) 710 million sq km
(d) 810 million sq km
10. What is the approximate equatorial circumference of the earth ?
(a) 30,000 km (b) 35,000 km
(c) 40,000 km (d) 45,000 km
11. Geostationary orbit is at a height of :
(a) 6 km (b) 1000 km
(c) 3600 km (d) 36,000 km
12. The earth is at the least distance from the sun (Perihelion) on:
(a) December 22nd (b) January 3rd
(c) July 4th (d) June 21st
13. The earth is at the largest distance from the sun (Apehelion) on :
(a) June 21st (b) January 3rd
(c) July 4th (d) September 23rd
14. Which one of the following is present in the largest amount in terms of percent by mass in the earth’s crust ?
(a) Silicon (b) Oxygen
(c) Carbon (d) Calcium
15. 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
16. At the summer solstice, which one of the following latitudes will have the longest night ?
(a) 45º N (b) 45º S
(c) 60º N (d) 60º S
17. The Tropic of Cancer passes through :
(a) India and Iran
(b) Iran and Pakistan
(c) India and Saudi Arabia
(d) Iran and Iraq
18. Maximum difference in the spacing of longitudes is :
(a) at poles (b) at equator
(c) at tropics (d) at arctic circle
19. Latitude and Longitude both :
(a) pass through poles
(b) run parallel to the equator
(c) run parallel to each other
(d) run perpendicular to each other
20. Which of the following pairs is not correctly matched ?
(a) 66° 33 N latitude-Arctic Circle
(b) 180º E of 180º W longitude- international Date line
(c) 23º 20 N longitude-Tropic of Cancer
(d) 0° E or 0º W longitude-Equator
21. Of the total volume of the earth, which layer forms the major port?
(a) Sial (b) Sima
(c) Mantle (d) Core
22. The longest circle which can be drawn on the earth’s surface passes through :
(a) Equator (b) Tropic of Cancer
(c) Arctic Circle (d) Tropic of Capricorn
23. The speed of rotation of the earth is:
(a) 25 km/sec (b) 31 km/sec
(c) 39.5 km/sec (d) 9.72 km/sec
24. Lunar eclipse occurs on :
(a) New moon (b) Full moon
(c) Half moon (d) Quarter moon
25. The heavier silicates named Sima’ or silica + magnesium are most abundant in the :
(a) crust (b) core
(c) mantle (d) ocean floors
26. The surface of Earth that lies between the Tropic of Cancer and the Tropic of Capricorn is called :
(a) North Temperate Zone
(b) Frigid Zone
(c) South Temperate Zone
(d) Torrid Zone
27. What percentage of insolation is received by the earth’s surface?
(a) 47% (b) 51%
(c) 66% (d) 87%
28. The Tropic of Cancer does NOT pass through :
(a) Egypt (b) Mexico
(c) Oman (d) Yemen
29. The tide at its maximum height is known as
(a) Equinox (b) Neap tide
(c) Spring tide (d) Tsunami
30. The International Date Line passes through
(a) Bering strait (b) Gibraltar strait
(c) Florida strait (d) Malacca strait
31. The International Date Line is located in the :
(a) Pacific ocean (b) Atlantic ocean
(c) Indian ocean (d) Arctic ocean
32. The Earth turns through 360° in 24 hours. Each 15° longitude represents:
(a) Half an hour (b) Forty five minutes
(c) one hour (d) One hours fifteen minutes
33. Which one of the following dements is most abundant in the earth’s crust ?
(a) Oxygen (b) Sulphur
(c) Silicon (d) Carbon
ANSWER KEY
