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

Correct Answer

Ionosphere

More Questions on Atmosphere

  • Q. Lapse rate is related to the decrease of ________
    A)Temperature at 1°F for an ascent of 330 feet
    B)Wind velocity with an ascent of 300 feet
    C)Humidity with an ascent of 450 feet
    D)Pressure with an ascent of 500 feet
    Answer: Temperature at 1°F for an ascent of 330 feet
  • Q. The contact of two air masses differing sharply in humidity originates:
    A)Temperate cyclones
    B)Tropical cyclones
    C)Inter-tropical convergence
    D)Tropospheric instability
    Answer: Temperate cyclones
  • Q. When a descending air contracts and its volume decreases, what happens to its temperature?
    A)Its temperature remains constant
    B)Its temperature decreases
    C)Its temperature increases
    D)Its temperature first increases, then decreases
    Answer: Its temperature increases
  • Q. The portion of the atmosphere which extends from the earth’s surface upto 6-8 miles and experiences decrease in temperature at constant rate is ________
    A)Troposphere
    B)Stratosphere
    C)Tropopause
    D)Ionosphere
    Answer: Troposphere
  • Q. Which one among the following is a high cloud?
    A)Nimbostratus
    B)Cirrus
    C)Cumulonimbus
    D)Stratus
    Answer: Cirrus
  • Q. The core of the Earth is also known as
    A)Barysphere
    B)Lithosphere
    C)Mesosphere
    D)Centrosphere
    Answer: Barysphere
  • Q. The instrument used for measuring relative humidity in air is ________
    A)Pantograph
    B)Hygrometer
    C)Hydrograph
    D)Barograph
    Answer: Hygrometer
  • 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. Which one among the following local winds is not characteristically hot and dry?
    A)Khamsin
    B)Sirocco
    C)Mistral
    D)Chinook
    Answer: Mistral
  • 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. At low elevation which among the following clouds are to be found ?
    A)Cumulus
    B)Cirrus
    C)Nimbus
    D)Stratus
    Answer: Nimbus
  • 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. Which of the following is located at the minimum height from the Earth?
    A)Thermosphere
    B)Stratosphere
    C)Mesosphere
    D)Troposphere
    Answer: Troposphere
  • 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. In the atmosphere of the primitive earth there was no ________
    A)Nitrogen
    B)Oxygen
    C)Carbon dioxide
    D)Ammonia
    Answer: Oxygen
  • 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. The cauliflower shape is associated with which of the following cloud formations?
    A)Nimbus
    B)Stratus
    C)Cumulus
    D)Cirrus
    Answer: Cumulus
  • Q. Pampero is ________
    A)A moisture laden wind which brings rainfall to the west coast of Panama
    B)A cold wind which prevails in Argentina and Uruguay
    C)A low pressure area in Equator 63° S
    D)A high pressure area which develops first and then leads to the formation of an anticyclone
    Answer: A cold wind which prevails in Argentina and Uruguay
  • Q. The water content in the atmosphere ________
    A)Decreases as temperature increases
    B)Is independent of temperature
    C)Increases as temperature increases
    D)Either increases or decreases with temperature increase
    Answer: Decreases as temperature increases
  • Q. The dry wind ‘Santa Ana’ blows in ________
    A)Switzerland
    B)Siberia
    C)Argentina
    D)California
    Answer: California

Leave a Comment