Q41. Big Bear is an example of
A milky way
B constellation
C star
D galaxy
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Correct answer: constellation
Q42. Only one side of the Moon is visible from the Earth because
A other side of the Moon is towards the Earth only during the day time
B other side of the Moon is towards the Earth only on the new Moon (Amavashya)
C time taken by the Moon to move around the Earth and to complete one spin is same
D it takes the Moon one light year to complete one spin
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Correct answer: other side of the Moon is towards the Earth only during the day time
Q43. The Earth day is
A the time during which the Sun shines on a specific place on the Earth
B the measure of standard time at Greenwich
C period of rotation of the Earth around its axis
D period of revolution of the Earth around the Sun
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Correct answer: period of rotation of the Earth around its axis
Q44. Which is the world’s longest mountain range?
A The Himalayas
B The Rocky
C The Andes
D The Alps
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Correct answer: The Andes
Q45. Which of the following statements regarding position of the Earth is true?
A The axis of the Earth is a definite line that makes an angle of 661 2 ° with its orbital plane
B The axis of the Earth is a definite line that makes an angle of 231 2 ° with its orbital plane
C The axis of the Earth is an imaginary line that makes an angle of 661 2 ° with its orbital plane
D The axis of the Earth is an imaginary line that makes an angle of 231 2 ° with its orbital plane
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Correct answer: The axis of the Earth is an imaginary line that makes an angle of 661 2 ° with its orbital plane
Q46. The innermost layer of the Earth is mainly made up of
A Silica and Iron
B Nickel and Iron
C Nickel and Alumina
D Silica and Alumina
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Correct answer: Nickel and Iron
Q47. “On 21st March and 23rd September, the whole Earth experiences equal days and nights”. This is because
A direct rays of the Sun fall on the equator and at this position, one of the poles is tilted towards the Sun
B direct rays of the Sun fall on the Tropic of Capricorn and at this position, none of the poles is tilted towards the Sun
C direct rays of the Sun fall on the Tropic of Cancer and at this position, one of the poles is tilted towards the Sun
D direct rays of the Sun fall on the equator and at this position, one of the poles is tilted towards the Sun
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Correct answer: direct rays of the Sun fall on the equator and at this position, one of the poles is tilted towards the Sun
Q48. What is the angle of inclination of the Earth’s axis with its orbit plane?
A 231 2 °
B 90°
C 45°
D 661 2 °
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Correct answer: 661 2 °
Q49. Which one of the following may cause tremendous destruction only on the coastal areas?
A Tsunami
B Earthquake
C Volcano
D Tides
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Correct answer: Tsunami
Q50. During an earthquake at what measurement on the Ritcher scale do things begin to fall?
A 6.0 or higher
B Over 5.0
C Over 7.0
D 2.0
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Correct answer: Over 5.0
Q51. Which one of the following groups of planets has rings around it?
A Saturn, Neptune, Mars
B Saturn, Venus, Neptune
C Saturn, Venus, Mars
D Saturn, Jupiter, Uranus
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Correct answer: Saturn, Jupiter, Uranus
Q52. Why is the Earth described as a ‘Geoid’? Choose the correct answer from the following.
A Two-thirds of Earth’s surface are covered with water
B Favourable conditions are available on Earth to support life.
C Earth is slightly flattened at the poles
D Earth is neither too hot nor too cold
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Correct answer: Earth is slightly flattened at the poles
Q53. From the Earth, only one side of the Moon is visible because it
A only moves around the Earth, but does not spin
B does not move around the Earth, but only spins
C takes more time in moving around the Earth than the time to complete one spin
D takes exactly the same time in moving around the Earth as the time to complete one spin
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Correct answer: takes exactly the same time in moving around the Earth as the time to complete one spin
Q54. The Ural mountains separates
A Africa and Europe
B North America and South America
C Africa and Asia
D Asia and Europe
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Correct answer: Asia and Europe
Q55. The place in the crust where the earthquake waves starts is called
A Epicentre
B Crater
C Centre
D Focus
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Correct answer: Focus
Q56. Which one of the following defines ‘Earth day’?
A The distances between the longitudes
B The period of one rotation of the Earth around its axis
C The days on which the days and nights are equal all over the Earth
D The motion of the Earth around the Sun in its orbit
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Correct answer: The period of one rotation of the Earth around its axis
Q57. India’s research stations names ‘Maitri’ and ‘Dakshin Gangotri’ are located in which one of the following continents?
A Africa
B Antarctica
C Europe
D Australia
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Correct answer: Africa
Q58. In which of the following landforms are mushroom rocks found?
A Delta
B Desert
C Glacial Moraine
D Sea cave
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Correct answer: Desert
Q59. Which of the following is the greatest imaginary line on the Earth?
A Tropic of Cancer
B Tropic of Capricorn
C Equator
D Arctic circle
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Correct answer: Equator
Q60. Which is incorrect about globe?
A It is a true model of the Earth
B A fixed needle through a globe in a titled manner is its axis
C On real Earth there is no such fixed line
D There are several fixed lines on the Earth
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Correct answer: There are several fixed lines on the Earth