More Questions on Atmosphere
- Q. The hot dry local winds that blow on the eastern side of the Alps Mountain are known as ________
A)Khamsin
B)Chinook
C)Foehn
D)Sirocco
Answer: Foehn
- Q. Logically, what does a continually rising air pressure indicate?
A)Fine and settled weather
B)Advent of unsettled and cloudy weather
C)Advent of a cyclone
D)Fine and unsettled weather
Answer: Advent of unsettled and cloudy weather
- Q. The zone of Earth’s atmosphere immediately above its surface up to a height of about 16kms above equator and 8kms over the poles is known as
A)Troposphere
B)Mesosphere
C)Thermosphere
D)Stratosphere
Answer: Troposphere
- 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. Which one of the following characteristics is not associated with the tropical cyclones?
A)As the cold front passes, the weather changes very rapidly
B)Before the cyclone arrives the air becomes very still and temperature and humidity are high
C)As the front of the vertex arrives, gusty winds develop and thick clouds appear
D)Calm conditions return when the eye of the cyclone arrives
Answer: Calm conditions return when the eye of the cyclone arrives
- Q. A sudden fall in the barometric reading indicates ________
A)Fine weather
B)Rain
C)Storm
D)Extreme cold
Answer: Storm
- 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. What is true with regard to Jet Streams? 1. High velocity winds 2. Blow from west to east 3. Blow in upper troposphere near the tropopause 4. Blow in the mesosphere
A)1, 2 and 3
B)2 and 3
C)2 and 4
D)1, 2 and 4
Answer: 1, 2 and 3
- Q. Agents of fog formation do not include ________
A)Winter season
B)High relative humidity
C)Diurnal temperatures of short ranges
D)Rapid radiation
Answer: Diurnal temperatures of short ranges
- 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. In the atmosphere of the primitive earth there was no ________
A)Nitrogen
B)Oxygen
C)Carbon dioxide
D)Ammonia
Answer: Oxygen
- Q. Which one of the following is the cloud that is dark-grey or black, found at very low height and brings the real rain?
A)Cirrostratus
B)Altocumulus
C)Cirrus
D)Nimbostratus
Answer: Nimbostratus
- Q. In the Southern hemisphere the Westerlies blow from ________
A)North west
B)North
C)North east
D)South east
Answer: North west
- Q. The January isotherm taken as a basis for dividing India into tropical and subtropical zones is ________
A)12° C
B)21° C
C)18° C
D)15° C
Answer: 15° C
- 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. Which one among the following forces is most powerful in determining movement of wind including its velocity ?
A)Frictional force
B)Gravitational force
C)Centrifugal force
D)Pressure gradient force
Answer: Pressure gradient force
- Q. The radiation that heats earth’s atmosphere comes from the
A)Ionosphere
B)Sun
C)Earth
D)Sun and earth
Answer: Sun
- 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 one of the following constituents of the atmosphere causes greatest changes in climate and weather?
A)Ozone
B)Nitrogen
C)Oxygen
D)Water Vapour
Answer: Water Vapour
- Q. Rain shadow effect is associated with
A)Convectional rainfall
B)Cyclonic rainfall
C)Orographic rainfall
D)Frontal rainfall
Answer: Orographic rainfall
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