41). Which one of the followings correct sequence of the given planets in increasing order of their size (diameter)?
A). Mars Venus Earth-Mercury-Uranus |
B). Mercury-Mars-Venus Earth-Uranus |
C). Mercury-Mars Venus Uranus-Earth |
D). Venus-Mercury-Mars-Earth |
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42). Nearly 30% of the solar radiations return back to the space without contributing anything to the Earth's surface temperature. This amount of radiation is known as
A). black body |
B). tropopause |
C). Earth's albedo |
D). mesopause |
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43). We always see the same face of the Moon, because
A). it is smaller than the Earth |
B). it revolves on its axis in a direction opposite to that of the Earth. |
C). it takes equal time for revolution around the Earth and rotation on its own axis. |
D). it rotates at the same speed as the Earth around the Sun. |
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44). Consider the following statements 1. The Earth receives the Sun's energy at the infrared end of the spectrum. 2. The Earth re-radiates the Sun's heat as ultraviolet energy. Which of the statements given above is/are correct?
A). Only 1 |
B). Only 2 |
C). Both 1 and 2 |
D). Neither 1 nor 2 |
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45). The Blue Moon phenomenon occurs
A). when two full Moons occur in the same month |
B). when four full Moons appear in two consecutive months of the same calendar year |
C). when two full Moons appear in the same month thrice in a calendar year |
D). None of the above |
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46). The inexhaustible source of energy of the stars is due to
A). conversion of hydrogen to helium |
B). conversion of helium to hydrogen |
C). decay of radioactive elements |
D). excess of oxygen that helps burning and release of energy |
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47). Which one among the following statements about the international Date Line is not correct?
A). The International Date Line is largely based on the 180° meridian. |
B). The difference in time between the places just either side of the International Date Line is almost one day. |
C). The difference in time to the extent of one day on either side of the International Data Line is caused by inclined axis of the Earth. |
D). The International Date Line mostly passes through the Pacific Ocean. |
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48). Which parts of the Earth's surface experience least variation in incoming solar radiation throughout the year?
A). Poles |
B). Equatorial regions |
C). Tropics of Cancer and Capricorn |
D). Arctic and Antarctic circles. |
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49). What is the relationship between solar day and sideral day?
A). Solar day is shorter than sideral day |
B). Solar day is longer than sideral day |
C). Both are equal |
D). There is no relationship between the two |
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50). Consider the following statements 1. On 21st June, more solar radiation reaches the top of the Earth's surface above the poles than above the equator. 2. At the North pole, the Sun rises above the horizon on 20th March and day remain for 6 months until it sets on 22nd September. Which of the statements given above is/are correct?
A). Only 1 |
B). Only 2 |
C). Both 1 and 2 |
D). None of these |
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