Q. Which one of the following constituents of the atmosphere causes greatest changes in climate and weather?

Correct Answer

Water Vapour

More Questions on Atmosphere

  • Q. Where do all meteorological incidents occur?
    A)Ionosphere
    B)Stratosphere
    C)Troposphere
    D)Exosphere
    Answer: Troposphere
  • Q. The instrument used for measuring relative humidity in air is ________
    A)Pantograph
    B)Hygrometer
    C)Hydrograph
    D)Barograph
    Answer: Hygrometer
  • Q. Dew point is ________
    A)A low pressure system in lower atmosphere
    B)Amount of actual water vapour present per unit volume of air
    C)Incoming solar radiation
    D)A temperature at which a given sample of air becomes saturated
    Answer: A temperature at which a given sample of air becomes saturated
  • 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. 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
  • Q. The phenomenon of Aurora Borealis, the display of red and green lights in northern hemisphere is due to radiations from ________
    A)Stratosphere
    B)Troposphere
    C)Mesosphere
    D)Ionosphere
    Answer: Ionosphere
  • Q. Which one of the following climates is found in coastal areas of Californian North America, Central Chile in South America and South-West tip of West Australia?
    A)Humid Continental
    B)Tropical savanna
    C)Mediterranean
    D)Low-latitude steppe
    Answer: Mediterranean
  • Q. A fragment of solid matter which enters the upper atmosphere from outer space almost disintegrating before reaching the earth’s surface is
    A)Meteor
    B)Meteorite
    C)Asteroid
    D)Comet
    Answer: Meteor
  • Q. Which of the following sequences of clouds in ascending order would one meet 500 metres and above the mean sea level?
    A)Cirrostratus, Stratus, Cumulo-nimbus
    B)Stratus, Nimbus, Cirrostratus, Cirrus
    C)Nimbus, Cirrostratus, Cirrocumulus, Stratus
    D)Stratus, Cirrostratus, Cumulo-numbus, Cirrocumulus
    Answer: Stratus, Nimbus, Cirrostratus, Cirrus
  • Q. Westerlies in southern hemisphere are stronger and persistent than in northern hemisphere. Why? 1. Southern hemisphere has less landmass as compared to northern hemisphere. 2. Coriolis force is higher in southern hemisphere as compared to northern hemisphere. Which of the statements given above is fare correct?
    A)Both 1 and 2
    B)1 only
    C)2 only
    D)Neither 1 nor 2
    Answer: 1 only
  • 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. Which one among the following statements relating to an anticyclone is correct?
    A)The contribution of an anticyclone towards determining weather of an area is quite significant
    B)Anticyclone is a wind system with a high pressure centre
    C)In anticyclone the movement of wind is inward
    D)The movement of wind is clockwise in an anticyclone of southern hemisphere
    Answer: Anticyclone is a wind system with a high pressure centre
  • Q. What is the major role of a greenhouse gas that contributes to temperature rise of the Earth’s surface?
    A)Lets outgoing infrared radiation pass through but stops incoming sunlight
    B)Transparent to both incoming sunlight and outgoing infrared radiation
    C)Stops both incoming sunlight and outgoing infrared radiation
    D)Lets incoming sunlight pass through but stops outgoing infrared radiation
    Answer: Lets incoming sunlight pass through but stops outgoing infrared radiation
  • Q. A temperature inversion is most likely to occur under which of the following conditions?
    A)Calm, cloudy and humid night
    B)Mountain top in late evening
    C)Windy but cloudy night
    D)Calm, clear and cool winter night
    Answer: Calm, clear and cool winter night
  • Q. The monsoon has well-developed cycle in ________
    A)East United States
    B)South and South East Asia
    C)North Australia
    D)Africa
    Answer: South and South East Asia
  • Q. Beaufort Scale is used to measure ________
    A)Wind direction
    B)Air pressure
    C)Wind velocity
    D)Humidity
    Answer: Wind velocity
  • 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. 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. 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. The heat from Sun to Earth is called as
    A)Emitted Heat
    B)Temperature Radiation
    C)Insolation
    D)Solar Radiation
    Answer: Solar Radiation

Leave a Comment