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General Physical Geography Test 9

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General Physical Geography Test 9
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Weekly Quiz Competition
  • Question 1
    1 / -0
    Variations in the length of day time and night time from season to season are due to _______.
    Solution
    Variations in the length of day and night time from season to season on the earth's surface is due to the axial tilt of earth's rotation axis with respect to its orbital axis. This causes variations in the intensity of Sun's rays falling at a given place over the span of a year leading to variations in day and night time.
  • Question 2
    1 / -0
    Match the following 
    List I
    (Phenomenon)
    List II
    (Date)
    (A) Summer Solstice(1) 21st June
    (B) Winter Solstice(2) 22nd December
    (C) Vernal Equinox(3) 23rd September
    (D) Autumnal Equinox(4) 21st March
    Solution
    For Northern Hemisphere, summer solstice occurs on 21st June when the Sun is directly overhead the Tropic of Cancer. Winter solstice happens on 22 December when the Sun is directly overhead the Tropic of Capricorn.

    Vernal equinox and autumnal equinox occur on 21st March and 23rd September respectively. The Sun rays fall directly on the equator.
  • Question 3
    1 / -0
    Which of the following statements regarding the duration of day and night is correct?
    Solution
    Due to the axial tilt of the Earth of an angle of approximately 23 degrees, there is variation in the duration of days and nights across the globe. This is due to difference in intensity of Sun's rays falling on different parts of the globe. This variation is minimum at the equator while it is maximum on poles.
  • Question 4
    1 / -0
    Which of the following statements in the context of Northern hemisphere is/are correct?
    (1) Vernal equinox occurs on March 21.
    (2) Summer solstice occurs on December 22.
    (3) Autumnal equinox occurs on September 23.
    (4) Winter solstice occurs on June 21.
    Select the correct answer using the codes given below.
    Solution
    Vernal (spring) equinox in the Northern Hemisphere occurs on March 21 and Autumnal (fall) equinox on Sept 23. It is vice-versa in the case of Southern Hemisphere.
    Summer solstice for Northern Hemisphere occurs on June 21 and winter solstice on December 22.
  • Question 5
    1 / -0
    Which of the following planets is tilted at $${90}^{o}$$, so it almost rolls around the Sun and hence, it is also called as 'Lying planet'?
    Solution
    Uranus has an axial tilt of about 98 degrees, which is almost like lying on its orbit around the Sun. Uranus is a gas giant planet, like Jupiter, Saturn and Neptune. It is the third largest planet and barely visible to the naked eye on clear, dark nights.
  • Question 6
    1 / -0
    The latitude is the angular distance of a point on the Earth's surface, north or South of the equator as measured from the ______.
    Solution
    The latitude denotes a geographical coordinate of a place located on the surface of the earth and is the angular distance of that point (north or south of the equator) measured with respect to the Centre of the Earth. Its value is zero at equator and 90 degrees at poles.
  • Question 7
    1 / -0
    If the Earth's axis were perpendicular to the plane of its orbit, which one among the following would not have happened?
    Solution
    If the Earth's axis were perpendicular to the plane of its orbit, no change of seasons will take place as there will be no change in the intensity of Sun's rays falling on different latitudes of the Earth over the span of a year. Days and nights will be equal throughout the year and the Sun will be perpendicular to the equator.

    The North Pole will not always lie in dark, rather it would receive light throughout the year.
  • Question 8
    1 / -0
    Consider the following statements:
    (1) The Earth's rotation axis is not at $${90}^{o}$$ to its orbital plane.
    (2) The Earth's rotation axis is inclined at $${23.5}^{0}$$.
    Which of the statements given above is/are correct?
    Solution
    Earth's rotation axis is inclined to its orbital axis at an angle of approximately 23.5 degrees and thus it is not perpendicular to its orbital plane. This axial tilt of the earth is the reason behind change of seasons on earth.
  • Question 9
    1 / -0
    Which one of the planets is known as 'morning star' as well as 'evening star' because it is the first to appear in the evening and the last to disappear in the morning?
    Solution

  • Question 10
    1 / -0
    Consider the following statements with reference to the isotherms.
    (1) The line drawn on maps joining the places of equal temperature reduce to sea level.
    (2) Isotherms generally run from East to West and are parallel to the latitudes.
    (3) The isotherms are more regular in the Northern hemisphere.
    Which of the statements given above is/are correct?
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