Q. A level of atmosphere which is composed partly of Electrons and Positive Ions is called

Correct Answer

Ionosphere

More Questions on Atmosphere

  • Q. Arrange the following gases of the atmosphere in increasing order by volume: I. Nitrogen II. Oxygen III. Carbon dioxide IV. Argon
    A)III, IV, II, I
    B)I, II, III, IV
    C)I, II, IV, III
    D)IV, III, II, I
    Answer: III, IV, II, I
  • Q. Which one of the following conditions is not necessary for precipitation to occur?
    A)The air must be cooled below its dew point
    B)The air must be warm
    C)The air must be saturated
    D)The air must contain hygroscopic particles
    Answer: The air must be warm
  • Q. What is the percentage of Nitrogen in atmosphere of the Earth?
    A)78.03
    B)0.94
    C)0.03
    D)85.02
    Answer: 78.03
  • Q. The January isotherm taken as a basis for dividing India into tropical and subtropical zones is ________
    A)12° C
    B)21° C
    C)18° C
    D)15° C
    Answer: 15° C
  • Q. Which of the following statements characterize the anticyclones? 1. Anticyclones are low pressure systems. 2. They are characterized by divergent wind circulation. 3. They are indicative of dry weather conditions. Select the correct answer using the codes given below
    A)1, 2 and 3
    B)2 and 3
    C)1 and 3
    D)1 only
    Answer: 2 and 3
  • Q. Consider the following statements: 1. A hurricane acquires its spin from the Coriolis effect. 2. The diameter of the hurricane decreases as it moves away from low latitudes. 3. The diameter of a hurricane is never below 150 km. Which of the statements given above is/are correct?
    A)1 and 3 only
    B)1 only
    C)2 and 3 only
    D)1, 2 and 3
    Answer: 1 and 3 only
  • Q. What is the name of the layer above Earth’s surface which is located at the height of 8km from poles and 16km from the equator?
    A)Troposphere
    B)Mesosphere
    C)Atmosphere
    D)Stratosphere
    Answer: Troposphere
  • Q. The radiation that heats earth’s atmosphere comes from the
    A)Ionosphere
    B)Sun
    C)Earth
    D)Sun and earth
    Answer: Sun
  • Q. Countries favourably influenced by Westerlies are ________
    A)New Zealand
    B)Western Europe, British Columbia and East of U.S.A.
    C)South-West Africa and South Chile
    D)All of these
    Answer: All of these
  • Q. Which of the following is the annual precipitation of an area?
    A)The total amount of rain per year, irrespective of snow, hail and sleet
    B)All forms of precipitation converted to the quantity of liquid water
    C)The total actual amount of rain, snow, hail and sleet
    D)All forms of precipitation measured after conversion to equal quantity of ice
    Answer: All forms of precipitation converted to the quantity of liquid water
  • Q. Consider the following statements: 1. The variation in an average annual range of temperature at 15° latitude of Southern Hemisphere is much less than that at 15° latitude of Northern Hemisphere. 2. At latitudes poleward of 35° the incoming radiation exceeds the outgoing radiation in. Northern Hemisphere, whereas in Southern Hemisphere the outgoing radiation exceeds the incoming radiation. Which of the statements given above is/are correct?
    A)Both 1 and 2
    B)1 only
    C)2 only
    D)Neither 1 nor 2
    Answer: 1 only
  • Q. Northern part of Australia is typified by which one of the following?
    A)Temperate climate
    B)Equatorial climate
    C)Mediterranean climate
    D)Monsoon climate
    Answer: Monsoon climate
  • Q. A layer in the Earth’s atmosphere called Ionosphere facilitates radio communication. Why? 1. The presence of ozone causes the reflection of radio waves to Earth. 2. Radio waves have a very long wavelength. Which of the statements given above is fare correct?
    A)Both 1and 2
    B)1 only
    C)2 only
    D)Neither 1 nor 2
    Answer: Neither 1 nor 2
  • Q. The water content in the atmosphere ________
    A)Decreases as temperature increases
    B)Is independent of temperature
    C)Increases as temperature increases
    D)Either increases or decreases with temperature increase
    Answer: Decreases as temperature increases
  • Q. Very strong and cold icy winds that blow in the Polar regions are called ________
    A)Blizzards
    B)Typhoons
    C)Tornadoes
    D)Polar winds
    Answer: Blizzards
  • Q. The chemically inactive gas present in the atmosphere is ________
    A)Water vapour
    B)Nitrogen
    C)Argon
    D)Oxygen
    Answer: Argon
  • Q. Which of the following statements is wrong?
    A)Roughly V-shaped isobar system with a low pressure at the centre represents a trough
    B)Roughly circular isobar system with a high pressure at the centre represents an anticyclone
    C)Roughly circular isobar system with a low pressure at the centre represents a cyclone
    D)Roughly V-shaped isobar system with a low pressure at the centre represents a hurricanes
    Answer: Roughly V-shaped isobar system with a low pressure at the centre represents a hurricanes
  • Q. Which of the following statements is/are correct? 1. Cyclone is a low pressure system. 2. The wind movement is clockwise in the cyclone of northern hemisphere. Select the correct answer using the code given below ________
    A)Both 1 and 2
    B)1 only
    C)2 only
    D)Neither 1 nor 2
    Answer: Both 1 and 2
  • Q. Which one of the following is not a correct example of tropical cyclone?
    A)Hurricanes
    B)Tornadoes
    C)Typhoons
    D)Nor westers
    Answer: Nor westers
  • Q. Temperate lows are ________
    A)Polar regions which have very low temperatures
    B)Low pressure areas in cyclones
    C)Equatorial low pressure belt
    D)Sub-polar low pressure belts
    Answer: Sub-polar low pressure belts

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