Which one of the following minerals occurs abundantly in the Earth's crust?
A. Bauxite
B. Silica
C. Manganese
D. Iron
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The acceleration due to gravity at the equator
A. Is less than that at the poles
B. Is greater than that at the poles
C. Is equal to that at the poles
D. Does not depend on the Earth centripetal
acceleration
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"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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The latitude of a place expresses its angular position relative to the place of ________
A. Axis of the earth
B. Equator
C. North pole
D. South pole
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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 hour fifteen minutes
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World's longest land border is between which two contries?
A. Australia and New Zealand
B. India and China
C. Switzerland and Italy
D. Canada and USA
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What is the term used for the day on 23 September when day and night are equal throughout the world?
A. Autumnal Equinox
B. Astronomical Equinox
C. Winter Solstice
D. Spring Equinox
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When it is noon along 82° 30' longitude, along what degree of longitude it will be 6.30 a.m.?
A. Along 165° E
B. Along 67° 30' W
C. 0° E or W
D. Along 82° 31' W
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The Gutenberg discontinuity is between ________
A. The crust and the mantle
B. The upper and lower mantles
C. The outer core and the lower mantle
D. The inner and outer cores
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The approximate circumference of the Earth is
A. 13,000 km
B. 20,000 km
C. 25,000 km
D. 40,000 km
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How many Geo-synchronous satellites are required for uninterrupted world broadcasting?
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What is known as High Pressure Subtropical Latitude?
A. Roaring forties
B. Furious fifties
C. Screaming sixties
D. Horse latitudes
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Consider the following statements: 1. The tropical year is shorter than the sidereal year.
2. The solar day is longer than the sidereal day.
Which of the statements given above is/are correct?
A. 1 only
B. 2 only
C. Both 1 and 2
D. Neither 1 nor 2
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The Synchronous satellite moves around the Earth from
A. East to West
B. West to East
C. North to South
D. South to North
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What is 'Sidereal Day'?
A. The day on which the duration of sunshine is the maximum
B. The day on which the duration of sunshine and darkness are equal
C. The time during which the earth makes a complete rotation on its axis in respect of the fixed stars
D. The day on which the sun reaches its maximum distance from the equator
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The earth revolves round the sun in its orbit by approximately ________
A. 1° per day
B. 2° per day
C. 3° per day
D. 5° per day
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The equatorial circumference is greater than the polar circumference by approximately ________
A. 22 km
B. 67 km
C. 125 km
D. 625 km
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Why does Russia have many local time differences?
A. Because it keeps trade relations with many countries of the world
B. Because it experiences a wide range of climatic conditions
C. Because of its long east-west stretches
D. Because it is divided into a number of states on political grounds
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Lunar eclipse does not occur every month because ________
A. The sun's orbit is not always in the same plane as the moon
B. The moon revolves at a slower speed than the earth
C. The moon's orbit is not all the time in the same plane as the earth
D. None of these
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A person sets off from Alaska on a Tuesday and reaches New Zealand the next day which will be ________
A. Tuesday
B. Wednesday
C. Thursday
D. Friday
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