Earth Geography

Q. The boundary between Earth’s Crust and Mantle is ________.

A
Conrad discontinuity
B
Moho discontinuity
C
Lehman discontinuity
D
Gutenberg discontinuity

Correct Answer

Moho discontinuity

More Questions on Earth

  • Q. When it is noon along 82° 30′ longitude, along what degree of longitude it will be 6.30 a.m.?
    A)0° E or W
    B)Along 165° E
    C)Along 67° 30' W
    D)Along 82° 31' W
    Answer: 0° E or W
  • Q. The Earth is an oblate spheroid and not a perfect sphere. This is because 1. the Earth has a rotational motion and the rotational speed increases as one goes from the Poles towards the Equator. 2. the Equator experiences greater gravitational pull from the Sun. 3. the intensity of sunlight received at the Equator is greater than that at the Poles.
    A)3 only
    B)1 only
    C)1 and 2
    D)1, 2 and 3
    Answer: 1 and 2
  • Q. What is the approximate circumference of Earth?
    A)80,000 Km
    B)40,000 Km
    C)60,000 Km
    D)1,00,000 Km
    Answer: 40,000 Km
  • Q. Consider a specific point on the surface of the earth (say Delhi). The temperature at a given time of day (say 12.00 Noon) will in general be higher in summer than in winter. This is because ________
    A)The earth is closer to the sun in summer than in winter
    B)The evaporation of water from atmosphere results in precipitation occurring in winter alone
    C)Sun-rays falling on the earth are inclined more towards the sun in winter
    D)The axis of the earth is inclined more towards the sun in winter
    Answer: Sun-rays falling on the earth are inclined more towards the sun in winter
  • Q. Sea tides show variations because of ________
    A)Distorted spherical shape of the earth
    B)Variations in gravitational pull of the moon
    C)Variations in gravitational pull of the sun
    D)Different phases of the moon
    Answer: Different phases of the moon
  • Q. Antipodes are ________
    A)Places located at a point where degree of latitude is equal to degree of longitude
    B)Lines joining places having a time difference of 12 hours
    C)Places diametrically opposite on earth's surface
    D)Lines joining places having the same depths
    Answer: Places diametrically opposite on earth's surface
  • Q. When the Moon completely covers the Sun, it is known as?
    A)The Penumbra
    B)The Antumbra
    C)The Umbra
    D)None of these
    Answer: The Umbra
  • Q. The incoming short-wave solar radiation is balanced by an equal amount of long-wave radiation from earth going back to space. This is known as ________
    A)Heat balance of earth
    B)Earth radiation
    C)Wave balance of earth
    D)Radiation exchange
    Answer: Heat balance of earth
  • Q. Which of the following pairs is wrong?
    A)IsohaleSun - light
    B)Isohyet - Humidity
    C)Isobar - Pressure
    D)Isotherm - Temperature
    Answer: Isohyet - Humidity
  • Q. Which of the following statements regarding the International Date line are correct? 1. It is a longitude of 180° 2. It is determined by 180° longitude but is not a straight line 3. It is a Greenwich meridian helping in fixing time and date 4. It solves the problem of time and date among the World’s nations
    A)2 Only
    B)1 and 4
    C)3 and 4
    D)3, 2 and 4
    Answer: E
  • Q. What is the correct sequence of the following layers of the Earth as one moves from the surface to the interior: 1. Mantle 2. Crust 3. Core Select the correct answer by using the codes given below
    A)2, 1, 2003
    B)1, 2, 2003
    C)1, 3, 2002
    D)3, 1, 2002
    Answer: 2, 1, 2003
  • Q. The approximate diameter of the earth is ________
    A)12,800 Km
    B)4,200 Km
    C)6,400 Km
    D)15,600 Km
    Answer: 12,800 Km
  • Q. Maximum difference in the spacing of longitudes is ________
    A)At tropics
    B)At poles
    C)At equator
    D)At arctic circle
    Answer: At equator
  • Q. The alignment of the lines of beginning and end is expressed by
    A)Record
    B)Dentate
    C)Feasibility
    D)Font
    Answer: Feasibility
  • Q. The time of Cairo is 2 hours ahead of Greenwich time Cairo is situated at ________
    A)30° East
    B)27° East
    C)27° West
    D)30° West
    Answer: 30° East
  • Q. Which of these statements are correct? 1. Ocean currents are the slow-surface movement of water in the ocean 2. Ocean currents assist in maintaining the Earth’s heat balance 3. Ocean currents are set in motion primarily by prevailing winds 4. Ocean current are affected by the configuration of the ocean
    A)1, 3 and 4
    B)1 and 2
    C)2, 3 and 4
    D)1, 2, 3 and 4
    Answer: 2, 3 and 4
  • Q. Which one of the following is present in the largest amount in terms of percent by mass in the earth’s crust?
    A)Carbon
    B)Silicon
    C)Oxygen
    D)Calcium
    Answer: Oxygen
  • Q. The heavier silicates named ‘Sima’ or silica + magnesium are most abundant in the ________
    A)Mantle
    B)Crust
    C)Core
    D)Ocean floors
    Answer: Ocean floors
  • Q. How many Geo-synchronous satellites are required for uninterrupted world broadcasting?
    A)2
    B)3
    C)4
    D)1
    Answer: 3
  • Q. Which part of the earth’s surface receives the highest amount of insolation?
    A)Savanna region
    B)Tropical deserts
    C)Equatorial region
    D)No such criteria
    Answer: Tropical deserts

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