1. The seasonal contrasts are maximum in:Mid latitude
2. What percentage of insolation is received by the earth surface?51%
3. What is the maximum length of a day on the poles? 6 months
4. Seasons on earth are caused by: Revolution of earth round the sun and its axis tilted at 66
5. The earth rotates around its axis from: West to East
6. The inclination of the earth's axis to the orbital plane is: 66
7. The mean radius of the earth is approximately: 6400 kms
8. Vernal equinox falls on: 21st Mar
9. The fixed path along which the earth revolves round the sun is called: The earth's orbit
10. The world used to describe the shape of earth is: Oblate spheres
11. Summer Solstic in the Southern Hemisphere occurs on: 22-Dec
12. One degree of the circumference of the earth measures approximately: 111 km
13. Heat received by earth from the sun is known as: Insolation
14. At the core of the earth, the temperature is estimated to be around: 2000
15. The time required for moon light to reach earth: 1.3 seconds
16. The position of the earth in its orbit, when it is at its greatest distance from the sun causing summer in the Northern Hemisphere is: Aphelion
17. Days and nights are equal throughout the globe when sun is above: Equator
18. The mean distances on the perihelion and aphelion is:149.5 km
19. The term that best describes the shape of the earth is:Geoid
20. The speed of rotation of the earth is the highest: At the North Pole
21. The size of the earth was first measured by:Eratosthenes
22. Days and nights are caused by: Rotation of the earth on its axis
23. The crust forms what percentage of the volume of the earth: 0.50%
24. At a latitude of 45: 1120 km/h
25. Green House Effect means: Trapping of solar energy due to atmospheric carbon dioxide
26. The earth's annual circuit round the sun covers a distance of: 966 million km
27. Insolation heats up the land masses more quickly than the water bodies because: Water needs more energy to warm
28. The heavier silictes named Sima on Silica + magnesium are most abundant in the: Ocean floors
29. What is the approximate equatorial circumference of the earth? 40000 km
30. The earth revolves around the sun at the speed (per minute) of: More than 1600 km
31. Seasonal variation is the least:In the Arctic Circle
32. The surface of earth that lies between the Tropic of Cancer and the Tropic of Capricorn is called: Torrid zone
33. The approximate diameter of the earth is: 15600 km
34. The place which has the longest day and the shortest night on 22nd December is: Melbou
35. The polar diameter of the earth is shorter than equatorial diameter by about: 43 km
36. Which of the following pairs of metals are supposed to constitute the internal core of the earth? Nickel and iron
37. The specific gravity of the earth as a whole is: 5.52
38. The earth revolves round the sun in its orbit by approximately: 1
39. The sutudy of time in relation to earth's history is called: Geochronology
40. The distance between the earth and the sun is smallest in the month of: June
41. Geostationary orbit is at a height of: 3600 km
42. Owing to the equatorial bulge and the polar flattening, the polar radius of the earth falls short of the equatorial radius about: 22 km
43. Antipodes are: Places diametrically opposite on earth surface
44. The largest amont of reflection of the solar radiant energy which is reflected back into space before reaching the earth's surface is due to: Clouds
45. The earth rotates arojnd the axis pointing towards: The polar star
46. Maximum altitude of polar water at place 28: 3-Jan
47. The incoming short-wave solar radiation is balanced by an equal amount of long wave
radiation from Earth going back to space. This is known as: Heat balance of earth
48. The approximate surface temperature on the sunlit side of the earth is: 17
49. Which part of the earth's surface receives the highest amount of insolation? Equatorial region
50. The sun shines vertically on the Equator: Twice a year
51. The amount of insolation received at a place on the surface of earth depends on: its climate
52. Of the total volume of the earth, which layer forms the major part? Core
53. The distance of the equator from either of the poles is: 10002 km
54. The speed of rotation of earth is: 9.72 km/sec
55. Which of the following phenomenon gives an evidence for spherical shape of the earth? Lunar eclipse
56. The orbit along which the earth revolves is: Elliptical
57. The equatorial diameter of the earth is approximately:12756 km
0 Comments