More Questions on Atmosphere
- Q. The most important factor in thunderstorms development is ________
A)Abundance of moisture
B)Atmospheric stability
C)Atmospheric instability
D)Temperature inversion
Answer: Atmospheric instability
- Q. The velocity of winds is related to ________
A)Pressure gradient in the direction of their flow
B)The amount of moisture they carry
C)The nearness to the sea
D)The direction in which they blow
Answer: Pressure gradient in the direction of their flow
- Q. The study of the processes of atmosphere is called as
A)Seismology
B)Astrology
C)Meteorology
D)Astronomy
Answer: Meteorology
- Q. Which of the following is/are characteristic of a depression in the southern hemisphere? I. It is a mass of air whose isobars form an oval or circular shape II. Pressure is high in the centre and decreases towards the outside III. Air moves anti-clockwise
A)I and III
B)I only
C)II only
D)All three
Answer: I only
- 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. Temperate lows are ________
A)Polar regions which have very low temperatures
B)Low pressure areas in cyclones
C)Equatorial low pressure belt
D)Sub-polar low pressure belts
Answer: Sub-polar low pressure belts
- Q. In the atmosphere of the primitive earth there was no ________
A)Nitrogen
B)Oxygen
C)Carbon dioxide
D)Ammonia
Answer: Oxygen
- Q. A level of atmosphere which is composed partly of Electrons and Positive Ions is called
A)Stratosphere
B)Troposphere
C)Ionosphere
D)Mesosphere
Answer: Ionosphere
- Q. The dry wind ‘Santa Ana’ blows in ________
A)Switzerland
B)Siberia
C)Argentina
D)California
Answer: California
- Q. Which is the lowest layer of Atmosphere?
A)Mesosphere
B)Troposphere
C)Stratosphere
D)Exosphere
Answer: Troposphere
- 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. 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. 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. What is the name of the layer closest to the Earth?
A)Troposphere
B)Ionosphere
C)Stratosphere
D)Exosphere
Answer: Troposphere
- Q. The layer of atmosphere which reflects radio waves is
A)Stratosphere
B)Ionosphere
C)Troposphere
D)Exosphere
Answer: Ionosphere
- Q. Density of the Earth’s atmosphere is highest in the
A)Mesosphere
B)Troposphere
C)Stratosphere
D)Ionosphere
Answer: Troposphere
- Q. The innermost layer is the core with a radius of about ________ km.
A)9500
B)500
C)6500
D)3500
Answer: 3500
- Q. The heat from Sun to Earth is called as
A)Emitted Heat
B)Temperature Radiation
C)Insolation
D)Solar Radiation
Answer: Solar Radiation
- Q. Local thunderstorms ‘Nor westers’ are prominent in ________
A)Andhra Pradesh
B)Punjab
C)West Bengal
D)Tamil Nadu
Answer: West Bengal
- 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
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