More Questions on Atmosphere
- Q. Beaufort Scale is used to measure ________
A)Wind direction
B)Air pressure
C)Wind velocity
D)Humidity
Answer: Wind velocity
- 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. 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. Where is Ozone layer found?
A)Stratosphere
B)Troposphere
C)Ionosphere
D)Exosphere
Answer: Stratosphere
- Q. Heat gain through insolation and heat loss through terrestrial radiation are equal approximately at which latitude?
A)90° North and South
B)22° W North and South
C)40° North and South
D)66° W North and South
Answer: 40° North and South
- Q. Anticyclones are caused by ________
A)Winds that blow spirally outwards from the centre
B)Violent winds
C)Heavy rainfall
D)Winds that blow spirally inwards
Answer: Winds that blow spirally outwards from the centre
- Q. Which one of the following climates is found in coastal areas of Californian North America, Central Chile in South America and South-West tip of West Australia?
A)Humid Continental
B)Tropical savanna
C)Mediterranean
D)Low-latitude steppe
Answer: Mediterranean
- 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 the following is produced by the rapid ascent of moist air?
A)Hail
B)Frost
C)Fog
D)Snow
Answer: Hail
- Q. Water vapour beyond the dew point results in ________
A)Condensation
B)Precipitation
C)Hailstorm
D)Formation of ice
Answer: Condensation
- 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. The atmospheric layer farthest from the Earth’s surface is known as
A)Ionosphere
B)Stratosphere
C)Exosphere
D)Mesosphere
Answer: Exosphere
- Q. Winds blow ________
A)From a region of low pressure to a region of high pressure
B)In regions of low pressure
C)From a region of high pressure to a region of low pressure
D)In regions of high pressure
Answer: From a region of high pressure to a region of low pressure
- 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 dry wind ‘Santa Ana’ blows in ________
A)Switzerland
B)Siberia
C)Argentina
D)California
Answer: California
- Q. Which of the following are true with regard to temperature control of the atmosphere of a given place? I. The major temperature contrasts on earth’s surface are between land masses and oceans II. During night, the water surface cools more rapidly than the land surface III. Temperature generally decreases with latitude on either side of the equator IV. Temperature rises to a maximum during summer and falls to a minimum during winter
A)I and II
B)I, III and IV
C)II, III and IV
D)II and IV
Answer: I, III and IV
- Q. Temperature generally decreases towards the poles because ________
A)Cold surfaces do not absorb solar energy as readily as warm surfaces
B)Air movement is generally towards the. equator
C)Cold polar air masses prevent surface heating of the land
D)Progressively lesser solar energy per unit area falls on the earth's surface as we move to polar regions
Answer: Progressively lesser solar energy per unit area falls on the earth's surface as we move to polar regions
- Q. When the relative humidity is 50% and air temperature is 30°C, a cooling of air mass ________
A)Decreases the relative humidity
B)Raises the absolute humidity
C)Produces no change in relative humidity
D)Increases the relative humidity
Answer: Decreases the relative humidity
- Q. Local thunderstorms ‘Nor westers’ are prominent in ________
A)Andhra Pradesh
B)Punjab
C)West Bengal
D)Tamil Nadu
Answer: West Bengal
- Q. With reference to the sub-tropical high pressure belt, consider the following statements: 1. It is affected by Earth’s rotation and descent of winds from higher altitudes. 2. It is dynamically induced and characterized with anti-cyclonic conditions. Which of the statement(s) given above is/are correct?
A)2 only
B)1 only
C)Both 1 and 2
D)Neither 1 nor 2
Answer: 2 only
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