More Questions on Atmosphere
- Q. Consider the following statements regarding the distribution and pattern of isotherms 1. In the northern hemisphere, isotherms bend sharply equator-ward over the continents during winter. 2. Temperature gradients are greater in summer than in winter in the northern hemisphere. Which of the statement(s) given above is/are correct?
A)Both 1 and 2
B)1 only
C)2 only
D)Neither 1 nor 2
Answer: 1 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. The cauliflower shape is associated with which of the following cloud formations?
A)Nimbus
B)Stratus
C)Cumulus
D)Cirrus
Answer: Cumulus
- Q. Mist is a result of which one of the following?
A)Sublimation
B)Condensation
C)Evaporation
D)Saturation
Answer: Condensation
- 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. What is a cloudburst?
A)It is caused by rapid condensation of very high clouds
B)It refers to sudden and copious rainfall over a small area which often lasts for only a few minutes
C)It refers to 50mm rain over a period of time
D)It refers to a thunderstorm with little rain
Answer: It refers to sudden and copious rainfall over a small area which often lasts for only a few minutes
- Q. Density of the Earth’s atmosphere is highest in the
A)Mesosphere
B)Troposphere
C)Stratosphere
D)Ionosphere
Answer: Troposphere
- Q. Which of the following statements characterize the anticyclones? 1. Anticyclones are low pressure systems. 2. They are characterized by divergent wind circulation. 3. They are indicative of dry weather conditions. Select the correct answer using the codes given below
A)1, 2 and 3
B)2 and 3
C)1 and 3
D)1 only
Answer: 2 and 3
- 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. A devastating Cloud Burst swept over Leh on August 2010. Which one of the following statements with regard to Cloud Burst is not correct?
A)Cloud Burst occurs only in hilly areas
B)Cloud Burst is a localized weather phenomenon representing highly concentrated rainfall over a small area in a short duration of time
C)Cloud Burst occurs due to upward movement of moisture laden air with sufficient rapidity to form cumulonimbus clouds
D)There is no satisfactory technique till now for predicting Cloud Burst
Answer: Cloud Burst occurs only in hilly areas
- Q. Compared to other slopes in the northern hemisphere which is the warmest?
A)North facing
B)East facing
C)South facing
D)West facing
Answer: South facing
- Q. Which of these statements are correct regarding the atmosphere of the earth: 1. It is enveloping the earth because of gravity. 2. Its density decreases with increasing height from the surface of the earth. 3. Its characteristic composition is same throughout its height. 4. Amount of pressure it exerts on earth’s surface at sea level is called one atm sphere.
A)2, 3 and 4
B)1 and 4
C)2 and 4
D)1, 2 and 4
Answer: 1, 2 and 4
- 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 depletion results in the increase in the UV radiation on the Earth?
A)Ozone
B)Carbon monoxide
C)Carbon dioxide
D)Oxygen
Answer: Ozone
- Q. What is the percentage of Nitrogen in atmosphere of the Earth?
A)78.03
B)0.94
C)0.03
D)85.02
Answer: 78.03
- 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. 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
- Q. The total number of layers above Earth are
A)2
B)4
C)5
D)3
Answer: 5
- 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
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