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?

Correct Answer

1 and 3 only

More Questions on Atmosphere

  • 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. The intensity of insolation depends on
    A)Wind
    B)Altitude
    C)Nature of terrain
    D)Latitude
    Answer: Latitude
  • Q. Which of the following is a cold wind?
    A)Chinook
    B)Buran
    C)Foehn
    D)Sirocco
    Answer: Buran
  • Q. Temperate cyclones bring along with them ________
    A)Thunderstorms and torrential rainfall
    B)Pleasant weather
    C)Snowfall and hail
    D)Mild rainfall
    Answer: Mild rainfall
  • Q. The final boundary between the Earth and the outer space is called
    A)Mesopause
    B)Magnetosphere
    C)Ionosphere
    D)Magnetopause
    Answer: Magnetopause
  • Q. Some large lakes in temperate latitudes have a moderating influence upon the climate of adjacent land surfaces. Such an influence may develop when ________
    A)Prevailing out-blowing winds cross the lake in winter
    B)The water is shallow
    C)The lake is high above sea level
    D)The lake is a basin of inland drainage
    Answer: Prevailing out-blowing winds cross the lake in winter
  • 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. Which of the following are the ideal conditions for the phenomenon of temperature inversion to occur? I. Long nights II. Cloudy sky III. Calm and stable air IV. Dry air
    A)II, III and IV
    B)I and II
    C)I, II and III
    D)I, III and IV
    Answer: I, III and IV
  • Q. What is the correct sequence of the following zonal pressure belts? 1. Subpolar low 2. Equatorial low 3. Polar high 4. Subtropical high
    A)2, 4, 1, 3
    B)2, 3, 1, 4
    C)1, 4, 2, 3
    D)1, 3, 2, 4
    Answer: 2, 4, 1, 3
  • Q. Troposphere is the hottest part of the atmosphere because
    A)It is heated by the Earth's surface
    B)It is closest to the Sun
    C)There are charged particles in it
    D)Heat is generated in it
    Answer: It is heated by the Earth's surface
  • Q. Atmospheric humidity is measured by ________
    A)Lysimeter
    B)Psychrometer
    C)Anemometer
    D)Hydrometer
    Answer: Psychrometer
  • Q. In the northern hemisphere, the wind blowing from the Horse latitudes to the Doldrums is called ________
    A)Polar Easterly
    B)Westerly wind
    C)Trade wind
    D)Jet Stream
    Answer: Trade wind
  • Q. Evening sun is not a shot as the mid-day sun. What is the reason?
    A)Ozone in atmosphere absorbs more light in the evening
    B)In the evening, radiations travel slowly
    C)In the evening, the temperature of the sun decreases
    D)In the evening, radiations travel larger distance through atmosphere
    Answer: In the evening, radiations travel larger distance through atmosphere
  • Q. Which one of the following characteristics is not associated with the tropical cyclones?
    A)As the cold front passes, the weather changes very rapidly
    B)Before the cyclone arrives the air becomes very still and temperature and humidity are high
    C)As the front of the vertex arrives, gusty winds develop and thick clouds appear
    D)Calm conditions return when the eye of the cyclone arrives
    Answer: Calm conditions return when the eye of the cyclone arrives
  • Q. Smog is likely to occur ________
    A)On calm, clear and cool nights
    B)Around valleys
    C)Near lakes
    D)Near the industrial areas
    Answer: Near the industrial areas
  • Q. Water vapour beyond the dew point results in ________
    A)Condensation
    B)Precipitation
    C)Hailstorm
    D)Formation of ice
    Answer: Condensation
  • Q. Cyclone is a system of wind blowing ________
    A)In a straight line from high to low pressure region
    B)Spirally outwards from a high pressure region
    C)Spirally towards low pressure region
    D)From Ball of Bengal towards Bangladesh annually
    Answer: Spirally towards low pressure region
  • 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. Which of the following statements about Stratosphere is incorrect?
    A)It is not free from the violent weather changes occurring on the earth
    B)It is the region in the atmosphere above tropopause
    C)It contains ozone layer which prevents ultraviolet radiations of sun from reaching to the earth
    D)It provides ideal flying conditions
    Answer: It is not free from the violent weather changes occurring on the earth
  • Q. Which of these statements are correct with reference to tornadoes? 1. Tornadoes are smaller and more intense than hurricanes. 2. Tornadoes are most abundant along the eastern coast of India. 3. The average tornado lasts for less than one hour. 4. Tornadoes are most common in the afternoons in the early summer.
    A)1, 2 and 4
    B)1, 3 and 4
    C)2, 3 and 4
    D)1, 2 and 3
    Answer: 1, 3 and 4

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