More Questions on Atmosphere
- Q. The dry wind ‘Santa Ana’ blows in ________
A)Switzerland
B)Siberia
C)Argentina
D)California
Answer: California
- Q. The layer of atmosphere which reflects radio waves is
A)Stratosphere
B)Ionosphere
C)Troposphere
D)Exosphere
Answer: Ionosphere
- Q. Countries favourably influenced by Westerlies are ________
A)New Zealand
B)Western Europe, British Columbia and East of U.S.A.
C)South-West Africa and South Chile
D)All of these
Answer: All of these
- 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. In which layer, temperature increases dramatically?
A)Stratosphere
B)Ionosphere
C)Exosphere
D)Troposphere
Answer: Ionosphere
- Q. Which of the following constituents of the atmosphere are important from the climatic point of view ? 1. Nitrogen 2. Oxygen 3. Carbon dioxide
A)1, 2 and 3
B)1 and 2
C)2 and 3
D)Only 3
Answer: Only 3
- Q. The study of the processes of atmosphere is called as
A)Seismology
B)Astrology
C)Meteorology
D)Astronomy
Answer: Meteorology
- Q. The chemically inactive gas present in the atmosphere is ________
A)Water vapour
B)Nitrogen
C)Argon
D)Oxygen
Answer: Argon
- Q. Cloud burst means ________
A)Presence of scattered flakes of cloud in the sky
B)Abnormally heavy downpour of rain, associated with a thunderstorm
C)Formation of artificial rain
D)Sowing of seeds of a crop in a cloudy weather
Answer: Abnormally heavy downpour of rain, associated with a thunderstorm
- Q. Which of the following are true regarding ionosphere? I. It is the uppermost layer of atmosphere II. The molecules and atoms of nitrogen and oxygen in this layer absorb a part of solar radiation and become ionized III. This layer is responsible for reflecting back the radio wave transmitted from the earth
A)II and III
B)I and II
C)I and II
D)I, II and III
Answer: II and III
- 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. Why the Earth is having its own atmosphere?
A)Gravity
B)Winds
C)Clouds
D)Rotation of the Earth
Answer: Gravity
- 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 final boundary between the Earth and the outer space is called
A)Mesopause
B)Magnetosphere
C)Ionosphere
D)Magnetopause
Answer: Magnetopause
- Q. The layer of the atmosphere which provides ideal conditions for flying on jet aeroplanes is ________
A)Ionosphere
B)Troposphere
C)Stratosphere
D)Exosphere
Answer: Stratosphere
- Q. Which of the following is especially true of anticyclones in the southern hemisphere?
A)They often form over continents
B)The air moves in a circular manner
C)Pressure increases from the outside to the centre
D)The air moves in an anti-clockwise direction
Answer: The air moves in an anti-clockwise direction
- 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. 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. When the wind is deflected due to the rotation of the Earth, it is called as ________
A)Westerlies
B)Geostropic wind
C)Polar wind
D)Trade winds
Answer: Geostropic wind
- 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
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