More Questions on Atmosphere
- Q. Consider the following statements: 1. A hurricane acquires its spin from the Coriolis effect. 2. The diameter of the hurricane decreases as it moves away from low latitudes. 3. The diameter of a hurricane is never below 150 km. Which of the statements given above is/are correct?
A)1 and 3 only
B)1 only
C)2 and 3 only
D)1, 2 and 3
Answer: 1 and 3 only
- 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. Dew point is ________
A)A low pressure system in lower atmosphere
B)Amount of actual water vapour present per unit volume of air
C)Incoming solar radiation
D)A temperature at which a given sample of air becomes saturated
Answer: A temperature at which a given sample of air becomes saturated
- Q. Which one of the following is not a correct example of tropical cyclone?
A)Hurricanes
B)Tornadoes
C)Typhoons
D)Nor westers
Answer: Nor westers
- 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. 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. 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. 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. The monsoon has well-developed cycle in ________
A)East United States
B)South and South East Asia
C)North Australia
D)Africa
Answer: South and South East Asia
- Q. The core of the Earth is also known as
A)Barysphere
B)Lithosphere
C)Mesosphere
D)Centrosphere
Answer: Barysphere
- 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. 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. 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. Water vapour beyond the dew point results in ________
A)Condensation
B)Precipitation
C)Hailstorm
D)Formation of ice
Answer: Condensation
- Q. Winds and air currents differ in the aspect that ________
A)The winds blow on lands while air currents blow over seas and oceans
B)Air currents blow much faster than winds
C)Air currents are always moisture laden while the winds are usually dry
D)Winds are horizontal movements of air while air currents are the vertical movements of air
Answer: Winds are horizontal movements of air while air currents are the vertical movements of air
- Q. Increase in carbon dioxide in atmosphere causes ________
A)Uniform earth temperature
B)Rise in earth temperature
C)Fall in earth temperature
D)Increase in Ultraviolet rays
Answer: Rise in earth temperature
- Q. Some large lakes in temperate latitudes have a moderating influence upon the climate of adjacent land surfaces. Such an influence may develop when ________
A)Prevailing out-blowing winds cross the lake in winter
B)The water is shallow
C)The lake is high above sea level
D)The lake is a basin of inland drainage
Answer: Prevailing out-blowing winds cross the lake in winter
- Q. Which one of the following is a type of planetary wind?
A)Westerlies
B)Monsoons
C)Loo
D)Tornadoes
Answer: Westerlies
- Q. Which of the following colour types do not indicate fair or fine weather?
A)Altocumulus
B)Cirrus
C)Cumulus
D)Cumulonimbus
Answer: Cumulonimbus
- Q. The dense mass of small water drops on smoke particles in the lower layers of the atmosphere is ________
A)Fog
B)Smog
C)Frost
D)Dew
Answer: Smog
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