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

Correct Answer

Ionosphere

More Questions on Atmosphere

  • Q. Because of which one of the following factors, clouds do not precipitate in deserts?
    A)High wind velocity
    B)Low pressure
    C)Low humidity
    D)High temperature
    Answer: Low humidity
  • Q. The albedo of which one among the following is the highest?
    A)Melting snow
    B)Cirrus cloud
    C)Cumulonimbus cloud
    D)Sand
    Answer: Cirrus cloud
  • Q. At which height, the gaseous surrounding has covered the Earth’s atmosphere?
    A)200km
    B)100km
    C)150km
    D)300km
    Answer: 300km
  • Q. Consider the following statements: 1. The monsoon climate is found in Northern Australia. 2. The China type climate is found in Argentina. 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: Both 1 and 2
  • Q. Relative humidity
    A)Decreases with decreased temperature
    B)Increases with increased temperature
    C)Decreases with increased temperature
    D)Has no relation with increase or decrease of temperature
    Answer: Decreases with increased temperature
  • Q. Which is the lowest layer of Atmosphere?
    A)Mesosphere
    B)Troposphere
    C)Stratosphere
    D)Exosphere
    Answer: Troposphere
  • Q. Choose the incorrect statement ________
    A)Absolute humidity is expressed in grams per cubic metre of air
    B)Capacity of air to hold moisture decreases with a rise in temperature of the air
    C)The air pressure decreases with an increase in temperature
    D)With an ascent of every 165 metres, the temperature is reduced by 1°C
    Answer: Absolute humidity is expressed in grams per cubic metre of air
  • Q. Which one among the following statements relating to a cyclone is not correct?
    A)Wind movement towards the low pressure centre of a cyclone is clockwise in the northern hemisphere
    B)It is a wind circulation system with a low pressure at the centre
    C)It brings about sudden change In weather condition in an area
    D)It is known as hurricane in West Indies
    Answer: Wind movement towards the low pressure centre of a cyclone is clockwise in the northern hemisphere
  • Q. The Sea breeze blows during ________
    A)Night from land to sea
    B)Day from land to sea
    C)Day from sea to land
    D)Night from sea to land
    Answer: Day from sea to land
  • Q. The amount of actual water vapour of air is known as ________
    A)Relative humidity
    B)Absolute humidity
    C)Dew point
    D)Condensation point
    Answer: Absolute humidity
  • Q. Water vapour beyond the dew point results in ________
    A)Condensation
    B)Precipitation
    C)Hailstorm
    D)Formation of ice
    Answer: Condensation
  • Q. Which one of the following constituents of the atmosphere causes greatest changes in climate and weather?
    A)Ozone
    B)Nitrogen
    C)Oxygen
    D)Water Vapour
    Answer: Water Vapour
  • 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. When can one record the lowest temperature of air?
    A)At 3 a.m.
    B)Just before sunrise
    C)At midnight
    D)No fixed time
    Answer: Just before sunrise
  • Q. The form of precipitation in which the raindrops get frozen into ice on coming in contact with a cold layer of air near the earth’s surface is called ________
    A)Sleet
    B)Fog
    C)Hail
    D)Snowfall
    Answer: Sleet
  • Q. Consider the following statements: 1. Nearly 99% of the total mass of the atmosphere lies within 30 km of the Earth’s surface. 2. The proportion of ozone in the atmosphere increases to a maximum at about 60 km from Earth’s surface. 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. Which of the following statements is incorrect?
    A)Doldrum belt lies between 10°N and 10°S latitudes
    B)Roaring forties are the southern latitudes where Westerlies are prevalent
    C)Monsoons are local seasonal winds
    D)Horse latitudes are found between Trade winds and Westerlies
    Answer: Monsoons are local seasonal winds
  • Q. When a descending air contracts and its volume decreases, what happens to its temperature?
    A)Its temperature remains constant
    B)Its temperature decreases
    C)Its temperature increases
    D)Its temperature first increases, then decreases
    Answer: Its temperature increases
  • Q. The inner-most layer of the Earth is known as
    A)Aesthenosphere
    B)Lithosphere
    C)Mesosphere
    D)Barysphere
    Answer: Barysphere
  • Q. Fogs formed along, the sea-coast are due to ________
    A)Convection
    B)Advection
    C)Radiaton
    D)Conduction
    Answer: Advection

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