91). 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 |
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92). "Mohs' Scale" is used to indicate the:
A). degree of brittleness of a substance |
B). degree of hardness of minerals |
C). degree of viscosity of a liquid |
D). degree of elasticity of a material |
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93). Match the following:
List I | List II | A. Lithosphere | 1. The relatively light rocks that form the continental crust | B. Asthenosphere | 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 |
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94). AI neap true: 1. the sun and moon exert their force at right angles 2. the tidal amplitude is high 3. the low tides are very low
A). 1 |
B). 2 and 3 |
C). 1 and 2 |
D). 1, 2 and 3 |
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95). If a solar eclipse occurs when the moon is quite far from the earth, the eclipse would be likely to be:
A). total |
B). partial |
C). annular |
D). none of these |
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96). 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 |
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97). Which of the following are true regarding the crust of the earth? I. It is the outer thin layer with a total thickness of about 100 Km II. It forms around 0.5 percent of the earth's volume Ill. The outer covering of the crust is of sedimentary material IV. The lower layer of the crust consists of basaltic and ultra-basic rocks
A). l and II |
B). l, II and Ill |
C). I, II and lV |
D). l, II, III and IV |
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98). 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 |
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99). The coldest place of the world is in ______
A). Verkhoyansk |
B). Nr. Vostok |
C). Ust' Shchugor |
D). Snag |
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100). Which is the hottest place of the word?
A). El Azizia |
B). Seville |
C). Death Valley |
D). Jacobabad |
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