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

Correct Answer

Ionosphere

More Questions on Atmosphere

  • Q. Which of the following winds is incorrectly paired with the area in which it prevails?
    A)Southerly Burster - New South Wales
    B)Berg wind - South eastern Africa
    C)Karaburan - Tarim basin of Sinkiang
    D)Hurricanes - New Zealand
    Answer: Hurricanes - New Zealand
  • 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. 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. The intensity of insolation depends on
    A)Wind
    B)Altitude
    C)Nature of terrain
    D)Latitude
    Answer: Latitude
  • Q. In the northern hemisphere, currents are deflected to their right due to ________
    A)Cyclonic storms
    B)Centrifugal force
    C)Coriolis force
    D)None of these
    Answer: Coriolis force
  • 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. What is the name of the layer closest to the Earth?
    A)Troposphere
    B)Ionosphere
    C)Stratosphere
    D)Exosphere
    Answer: Troposphere
  • Q. Which of the following statements is wrong?
    A)Roughly V-shaped isobar system with a low pressure at the centre represents a trough
    B)Roughly circular isobar system with a high pressure at the centre represents an anticyclone
    C)Roughly circular isobar system with a low pressure at the centre represents a cyclone
    D)Roughly V-shaped isobar system with a low pressure at the centre represents a hurricanes
    Answer: Roughly V-shaped isobar system with a low pressure at the centre represents a hurricanes
  • 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. Local thunderstorms ‘Nor westers’ are prominent in ________
    A)Andhra Pradesh
    B)Punjab
    C)West Bengal
    D)Tamil Nadu
    Answer: West Bengal
  • 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. The instrument used for finding out wind-direction is ________
    A)Wind gauze
    B)Anemometer
    C)Wind vane
    D)Hygrometer
    Answer: Wind vane
  • Q. Frontal rain is caused by ________
    A)Cyclonic activity
    B)Convection currents
    C)Winds from sea
    D)Condensation of water evaporated from mountains
    Answer: Cyclonic activity
  • Q. A sudden fall in the barometric reading indicates ________
    A)Fine weather
    B)Rain
    C)Storm
    D)Extreme cold
    Answer: Storm
  • 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. The chemically inactive gas present in the atmosphere is ________
    A)Water vapour
    B)Nitrogen
    C)Argon
    D)Oxygen
    Answer: Argon
  • Q. Wind in the Southern hemisphere is deflected towards left due to ________
    A)Difference in pressure
    B)Temperature variations
    C)Rotation of the earth
    D)Difference in water content
    Answer: Rotation of the earth
  • Q. Which one of the following layers of the atmosphere is responsible for the deflection of radio waves?
    A)Mesosphere
    B)Troposphere
    C)Stratosphere
    D)Ionosphere
    Answer: Ionosphere
  • Q. Consider the following statements: 1. The variation in an average annual range of temperature at 15° latitude of Southern Hemisphere is much less than that at 15° latitude of Northern Hemisphere. 2. At latitudes poleward of 35° the incoming radiation exceeds the outgoing radiation in. Northern Hemisphere, whereas in Southern Hemisphere the outgoing radiation exceeds the incoming radiation. 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. 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

Leave a Comment