Q. Green House Effect’ means ________

Correct Answer

Trapping of solar energy due to atmospheric carbon dioxide

More Questions on Earth

  • Q. Who among the following was first to measure the circumference of the Earth?
    A)Hecataeus
    B)Eratosthenes
    C)Aristotle
    D)Herodotus
    Answer: Eratosthenes
  • Q. The most abundant metal in the Earth’s Crust is
    A)Aluminium
    B)Zinc
    C)Copper
    D)Iron
    Answer: Aluminium
  • Q. Marble is the metamorphosed form of
    A)Sandstone
    B)Shale
    C)Basalt
    D)Limestone
    Answer: Limestone
  • Q. The equatorial circumference is greater than the polar circumference by approximately ________
    A)125 km
    B)22 km
    C)67 km
    D)625 km
    Answer: 67 km
  • Q. Which of the following Isohels are the isopleths of
    A)Rain
    B)Sunshine
    C)Flowering time
    D)Clouds
    Answer: Sunshine
  • 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. The Earth rotates on its axis at an inclination of
    A)21.5°
    B)23.5°
    C)22.5°
    D)20.0°
    Answer: 23.5°
  • Q. Evidence suggests that life on Earth has existed for about ________.
    A)35 million years
    B)3.5 million years
    C)35 billion years
    D)3.5 billion years
    Answer: 3.5 billion years
  • Q. Low tides are
    A)Moderate
    B)Strong
    C)Weak
    D)Very Weak
    Answer: Weak
  • Q. Lunar eclipse does not occur every month because ________
    A)The moon's orbit is not all the time in the same plane as the earth
    B)The sun's orbit is not always in the same plane as the moon
    C)The moon revolves at a slower speed than the earth
    D)None of these
    Answer: The moon's orbit is not all the time in the same plane as the earth
  • Q. Albedo is defined as ________
    A)Celestial bodies in earth's atmosphere which add to the greenhouse effect
    B)UV radiations sent out by the SUN
    C)A substance contained in the upper atmospheric layers of the earth, which is responsible for the reflection of/a part of solar radiations
    D)The amount of insolation reflected back to the space by the top of atmosphere, by clouds and ice-covered areas of the Earth's surface
    Answer: The amount of insolation reflected back to the space by the top of atmosphere, by clouds and ice-covered areas of the 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. Days and nights are similar here
    A)Antarctica
    B)Poles
    C)Main time zone
    D)Equator
    Answer: Equator
  • Q. An aeroplane takes off from 30° N latitude, 50° E longitude and lands at the opposite end of the earth. Where does it land?
    A)50° N Lat., 30° W Long
    B)30° N Lat., 50° W Long
    C)30° S Lat., 130° W Long
    D)30° N Lat., 130°W Long
    Answer: 30° S Lat., 130° W Long
  • Q. Which of the following layers of the earth is believed to have the heaviest mineral materials of highest density ?
    A)Mantle
    B)Central core
    C)Crust
    D)Both B and C
    Answer: Central core
  • Q. The Gutenberg discontinuity is between ________
    A)The outer core and the lower mantle
    B)The crust and the mantle
    C)The upper and lower mantles
    D)The inner and outer cores
    Answer: The outer core and the lower mantle
  • Q. When it is 8 P.M. in Tokyo, what is the time at Panama Canal which is located at 180° W of it?
    A)12.00 A.M.
    B)4.00 P.M.
    C)8.00 A.M.
    D)12.00 Noon
    Answer: 8.00 A.M.
  • Q. Geostationary orbit is at a height of ________
    A)3600 km
    B)6 km
    C)1000 km
    D)36,000 km
    Answer: 36,000 km
  • Q. The position of a planet when it is nearest to the Sun, is called ________
    A)Apigee
    B)Perihelion
    C)Apihelion
    D)Perigee
    Answer: Perihelion
  • Q. Which one of the following elements is most abundant in the earth’s crust?
    A)Silicon
    B)Oxygen
    C)Sulphur
    D)Carbon
    Answer: Oxygen

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