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?

Correct Answer

2 only

More Questions on Atmosphere

  • Q. Winds and air currents differ in the aspect that ________
    A)The winds blow on lands while air currents blow over seas and oceans
    B)Air currents blow much faster than winds
    C)Air currents are always moisture laden while the winds are usually dry
    D)Winds are horizontal movements of air while air currents are the vertical movements of air
    Answer: Winds are horizontal movements of air while air currents are the vertical movements of air
  • Q. The cold and dense air blowing down the mountain slope during the night is known as ________
    A)Katabatic wind
    B)Anabatic wind
    C)Khamsin
    D)Harmattan
    Answer: Katabatic wind
  • Q. Which one of the following statements is correct? Hurricanes ________
    A)Develop over warm ocean areas
    B)Form at the equator
    C)Are not as large as tornadoes
    D)Tend to intensify when they move over land surfaces
    Answer: Develop over warm ocean areas
  • 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. When the relative humidity is 50% and air temperature is 30°C, a cooling of air mass ________
    A)Decreases the relative humidity
    B)Raises the absolute humidity
    C)Produces no change in relative humidity
    D)Increases the relative humidity
    Answer: Decreases the relative humidity
  • 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. 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. Which one among the following forces is most powerful in determining movement of wind including its velocity ?
    A)Frictional force
    B)Gravitational force
    C)Centrifugal force
    D)Pressure gradient force
    Answer: Pressure gradient force
  • Q. Which of the following is not one of the three processes involved in the transfer of water between the atmosphere and the surface of the Earth?
    A)Condensation
    B)Insolation
    C)Evaporation
    D)Precipitation
    Answer: Insolation
  • Q. What is the correct sequence of the given clouds from low to high altitudes?
    A)Cumulonimbus, Stratus, Cirrus, Cirrostratus
    B)Stratus, Cumulonimbus, Cirrostratus, Cirrus
    C)Stratus, Cirrostratus, Cumulonimbus, Cirrus
    D)Cumulonimbus, Stratus, Cirrostratus, Cirrus
    Answer: Cumulonimbus, Stratus, Cirrostratus, Cirrus
  • 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. Anticyclones are caused by ________
    A)Winds that blow spirally outwards from the centre
    B)Violent winds
    C)Heavy rainfall
    D)Winds that blow spirally inwards
    Answer: Winds that blow spirally outwards from the centre
  • 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
  • Q. Consider the following statements: 1. The annual range of temperature is greater in the Pacific Ocean than that in the Atlantic Ocean. 2. The annual range of temperature is greater in the Northern Hemisphere than that in the Southern Hemisphere. Which of the statements given above is/are correct?
    A)Both 1and 2
    B)1 only
    C)2 only
    D)Neither 1 nor 2
    Answer: 2 only
  • Q. What do you understand by the term ‘Advection’ ?
    A)Heat is transferred vertically through the air
    B)Heat is transferred horizontally by winds
    C)Heat is transferred horizontally by both winds and ocean currents
    D)Heat is transferred horizontally through ocean currents
    Answer: Heat is transferred horizontally by both winds and ocean currents
  • Q. Which of the following is produced by the rapid ascent of moist air?
    A)Hail
    B)Frost
    C)Fog
    D)Snow
    Answer: Hail
  • Q. Which are of the following is wrongly characterised?
    A)Sirocco – Sahara – spring - hot
    B)Chinook- Canada - winter - warm
    C)Khamsin – Egypt – spring - hot
    D)Mistral - Rhone Valley - summer – cold
    Answer: Mistral - Rhone Valley - summer – cold
  • Q. In which layer, temperature increases dramatically?
    A)Stratosphere
    B)Ionosphere
    C)Exosphere
    D)Troposphere
    Answer: Ionosphere
  • Q. The hot dry local winds that blow on the eastern side of the Alps Mountain are known as ________
    A)Khamsin
    B)Chinook
    C)Foehn
    D)Sirocco
    Answer: Foehn
  • Q. Which of the following places are favourably influenced by the Trade winds? I. West Indies II. Brazil III. Mexico IV. Madagascar
    A)III and IV
    B)I and II
    C)I, II, III and IV
    D)II and IV
    Answer: I, II, III and IV

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