More Questions on Atmosphere
- 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. 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 statements is not true of Trade Winds?
A)They are constant in strength and direction
B)They blow from the Horse Latitudes to the Doldrums
C)They are deflected to the right to become South-East Trades in the southern hemisphere
D)They sometimes contain intense depressions
Answer: They are deflected to the right to become South-East Trades in the southern hemisphere
- Q. In the earth’s atmosphere, the atmospheric pressure ________
A)Remains constant with height
B)Increases with height
C)Decreases with height
D)First increases and then decreases with height
Answer: Decreases with height
- 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. At low elevation which among the following clouds are to be found ?
A)Cumulus
B)Cirrus
C)Nimbus
D)Stratus
Answer: Nimbus
- 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 is/are correct in matching the layer of atmosphere and its characteristic ? I. Troposphere : weather phenomena II. Stratosphere : ozone layer III. Ionosphere : radio waves reflected to earth’s surface IV. Mesosphere : Aurorae
A)II and III
B)I, II, III and IV
C)I, II and IV
D)I, II and III
Answer: I, II and III
- Q. A fragment of solid matter which enters the upper atmosphere from outer space almost disintegrating before reaching the earth’s surface is
A)Meteor
B)Meteorite
C)Asteroid
D)Comet
Answer: Meteor
- Q. The final boundary between the Earth and the outer space is called
A)Mesopause
B)Magnetosphere
C)Ionosphere
D)Magnetopause
Answer: Magnetopause
- Q. Which of the following characterises the Foehn? I. It is warm II. It is humid III. It is common in the valleys of the northern Alps IV. It blows in winter
A)I, III and IV
B)I, II and IV
C)I, II and III
D)I, II, III and IV
Answer: I, III and IV
- Q. Density of the Earth’s atmosphere is highest in the
A)Mesosphere
B)Troposphere
C)Stratosphere
D)Ionosphere
Answer: Troposphere
- 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 Trade winds are caused by ________
A)Inflowing movement of air along the earth's surface towards the equator
B)Rotation of the earth
C)Revolution of the earth
D)None of these
Answer: Inflowing movement of air along the earth's surface towards the equator
- Q. The correct sequence of different layers of the atmosphere from the surface of the Earth upwards is ________
A)Troposphere, Stratosphere, Mesosphere, Ionosphere
B)Troposphere, Stratosphere, Ionosphere, Mesosphere
C)Stratosphere, Troposphere, Ionosphere, Mesosphere
D)Stratosphere, Troposphere, Mesosphere, Ionosphere
Answer: Troposphere, Stratosphere, Mesosphere, Ionosphere
- Q. The tropical cyclones – Hurricanes and Typhoons – develop and mature ________
A)Over the water bodies only
B)At the same place
C)Over the land masses only
D)Anywhere in the tropical zone
Answer: Anywhere in the tropical zone
- 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. Relative humidity
A)Decreases with decreased temperature
B)Increases with increased temperature
C)Decreases with increased temperature
D)Has no relation with increase or decrease of temperature
Answer: Decreases with increased temperature
- 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. 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
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