More Questions on Atmosphere
- Q. The clouds extending from one side of horizon to other as 3 dark grey sheet having uniform base are called ________
A)Cirrus clouds
B)Stratus clouds
C)Cumulus clouds
D)Nimbus clouds
Answer: Stratus clouds
- Q. Smog is likely to occur ________
A)On calm, clear and cool nights
B)Around valleys
C)Near lakes
D)Near the industrial areas
Answer: Near the industrial areas
- 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. The inner-most layer of the Earth is known as
A)Aesthenosphere
B)Lithosphere
C)Mesosphere
D)Barysphere
Answer: Barysphere
- 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. Warm dry winds blowing down the east slopes of Rockies are known as ________
A)Foehn
B)Mistral
C)Nor' westers
D)Chinook
Answer: Chinook
- 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
- 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 final boundary between the Earth and the outer space is called
A)Mesopause
B)Magnetosphere
C)Ionosphere
D)Magnetopause
Answer: Magnetopause
- Q. Countries favourably influenced by Westerlies are ________
A)New Zealand
B)Western Europe, British Columbia and East of U.S.A.
C)South-West Africa and South Chile
D)All of these
Answer: All of these
- Q. Which of the following statements is incorrect?
A)Doldrum belt lies between 10°N and 10°S latitudes
B)Roaring forties are the southern latitudes where Westerlies are prevalent
C)Monsoons are local seasonal winds
D)Horse latitudes are found between Trade winds and Westerlies
Answer: Monsoons are local seasonal winds
- Q. Which is the warmest layer of the atmosphere?
A)Stratosphere
B)Thermosphere
C)Troposphere
D)Mesosphere
Answer: Thermosphere
- 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. The innermost layer is the core with a radius of about ________ km.
A)9500
B)500
C)6500
D)3500
Answer: 3500
- 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. Consider the following statements: 1. Nearly 99% of the total mass of the atmosphere lies within 30 km of the Earth’s surface. 2. The proportion of ozone in the atmosphere increases to a maximum at about 60 km from Earth’s surface. Which of the statements 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. 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. Lapse rate is related to the decrease of ________
A)Temperature at 1°F for an ascent of 330 feet
B)Wind velocity with an ascent of 300 feet
C)Humidity with an ascent of 450 feet
D)Pressure with an ascent of 500 feet
Answer: Temperature at 1°F for an ascent of 330 feet
- Q. Water vapour beyond the dew point results in ________
A)Condensation
B)Precipitation
C)Hailstorm
D)Formation of ice
Answer: Condensation
- 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
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