Q. Consider the following statements: 1. Mistral is a cold wind blowing in North America. 2. Sirocco is a hot dry wind blowing across the North African coast. Which of the statement(s) given above is/are correct?

Correct Answer

2 only

More Questions on Atmosphere

  • Q. In the earth’s atmosphere, the atmospheric pressure ________
    A)Remains constant with height
    B)Increases with height
    C)Decreases with height
    D)First increases and then decreases with height
    Answer: Decreases with height
  • Q. With reference to the sub-tropical high pressure belt, consider the following statements: 1. It is affected by Earth’s rotation and descent of winds from higher altitudes. 2. It is dynamically induced and characterized with anti-cyclonic conditions. Which of the statement(s) given above is/are correct?
    A)2 only
    B)1 only
    C)Both 1 and 2
    D)Neither 1 nor 2
    Answer: 2 only
  • Q. Condensation is a process which occurs when
    A)Temperature in the air parcel remains static
    B)Temperature falls below 0°C
    C)Absolute humidity becomes equal to relative humidity
    D)Relative humidity becomes 100% and more
    Answer: Relative humidity becomes 100% and more
  • 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. What causes snowfall?
    A)When condensation takes place in form of fog and precipitation occurs as flakes
    B)When condensation takes place below 0° C and precipitation occurs in the form of flakes
    C)When rain freezes into snow-flakes while passing through the atmosphere
    D)When the air temperature is much lower than surface temperature
    Answer: When condensation takes place below 0° C and precipitation occurs in the form of flakes
  • Q. Why the Earth is having its own atmosphere?
    A)Gravity
    B)Winds
    C)Clouds
    D)Rotation of the Earth
    Answer: Gravity
  • 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. Doldrums are belts of low atmospheric pressure obtained in the regions adjoining the equator to a distance of ________
    A)5° latitude towards north and south
    B)5° latitude towards the north only
    C)5° latitude towards the south only
    D)15° latitude towards north and south
    Answer: 5° latitude towards north and south
  • Q. Density of the Earth’s atmosphere is highest in the
    A)Mesosphere
    B)Troposphere
    C)Stratosphere
    D)Ionosphere
    Answer: Troposphere
  • Q. Consider the following statements regarding the distribution and pattern of isotherms 1. In the northern hemisphere, isotherms bend sharply equator-ward over the continents during winter. 2. Temperature gradients are greater in summer than in winter in the northern hemisphere. Which of the statement(s) 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. The instrument used for finding out wind-direction is ________
    A)Wind gauze
    B)Anemometer
    C)Wind vane
    D)Hygrometer
    Answer: Wind vane
  • Q. Choose the correct option with the correct sequence of the layers of atmosphere
    A)Exosphere, Troposphere, Ionosphere Mesosphere, Stratosphere
    B)Mesophere, Ionosphere, Exosphere, Troposphere, Stratosphere
    C)Ionosphere, Exosphere, Mesosphere, Stratosphere, Troposphere
    D)Troposphere, Stratosphere, Mesosphere, Ionosphere, Exosphere
    Answer: Troposphere, Stratosphere, Mesosphere, Ionosphere, Exosphere
  • Q. The intensity of insolation depends on
    A)Wind
    B)Altitude
    C)Nature of terrain
    D)Latitude
    Answer: Latitude
  • Q. Temperature generally decreases towards the poles because ________
    A)Cold surfaces do not absorb solar energy as readily as warm surfaces
    B)Air movement is generally towards the. equator
    C)Cold polar air masses prevent surface heating of the land
    D)Progressively lesser solar energy per unit area falls on the earth's surface as we move to polar regions
    Answer: Progressively lesser solar energy per unit area falls on the earth's surface as we move to polar regions
  • 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. What is approximately the quantum of the pressure exerted by the atmosphere at sea level?
    A)Five kg per sq cm
    B)One kg per sq km
    C)One kg per sq mtr
    D)Five kg per sq mtr
    Answer: One kg per sq mtr
  • Q. Which of the following constituents of the atmosphere are important from the climatic point of view ? 1. Nitrogen 2. Oxygen 3. Carbon dioxide
    A)1, 2 and 3
    B)1 and 2
    C)2 and 3
    D)Only 3
    Answer: Only 3
  • Q. At which height, the gaseous surrounding has covered the Earth’s atmosphere?
    A)200km
    B)100km
    C)150km
    D)300km
    Answer: 300km
  • Q. Which one of the following is the cloud that is dark-grey or black, found at very low height and brings the real rain?
    A)Cirrostratus
    B)Altocumulus
    C)Cirrus
    D)Nimbostratus
    Answer: Nimbostratus
  • Q. What is the name of the layer closest to the Earth?
    A)Troposphere
    B)Ionosphere
    C)Stratosphere
    D)Exosphere
    Answer: Troposphere

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