More Questions on Atmosphere
- 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 form of precipitation in which the raindrops get frozen into ice on coming in contact with a cold layer of air near the earth’s surface is called ________
A)Sleet
B)Fog
C)Hail
D)Snowfall
Answer: Sleet
- Q. The chemically inactive gas present in the atmosphere is ________
A)Water vapour
B)Nitrogen
C)Argon
D)Oxygen
Answer: Argon
- 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 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. 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
- Q. What is the correct sequence of the following zonal pressure belts? 1. Subpolar low 2. Equatorial low 3. Polar high 4. Subtropical high
A)2, 4, 1, 3
B)2, 3, 1, 4
C)1, 4, 2, 3
D)1, 3, 2, 4
Answer: 2, 4, 1, 3
- Q. Which one among the following statements relating to a cyclone is not correct?
A)Wind movement towards the low pressure centre of a cyclone is clockwise in the northern hemisphere
B)It is a wind circulation system with a low pressure at the centre
C)It brings about sudden change In weather condition in an area
D)It is known as hurricane in West Indies
Answer: Wind movement towards the low pressure centre of a cyclone is clockwise in the northern hemisphere
- Q. At low elevation which among the following clouds are to be found ?
A)Cumulus
B)Cirrus
C)Nimbus
D)Stratus
Answer: Nimbus
- 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 amount of actual water vapour of air is known as ________
A)Relative humidity
B)Absolute humidity
C)Dew point
D)Condensation point
Answer: Absolute humidity
- Q. Which one among the following statements relating to an anticyclone is correct?
A)The contribution of an anticyclone towards determining weather of an area is quite significant
B)Anticyclone is a wind system with a high pressure centre
C)In anticyclone the movement of wind is inward
D)The movement of wind is clockwise in an anticyclone of southern hemisphere
Answer: Anticyclone is a wind system with a high pressure centre
- Q. Evening sun is not a shot as the mid-day sun. What is the reason?
A)Ozone in atmosphere absorbs more light in the evening
B)In the evening, radiations travel slowly
C)In the evening, the temperature of the sun decreases
D)In the evening, radiations travel larger distance through atmosphere
Answer: In the evening, radiations travel larger distance through atmosphere
- Q. Condensation is a process which occurs when
A)Temperature in the air parcel remains static
B)Temperature falls below 0°C
C)Absolute humidity becomes equal to relative humidity
D)Relative humidity becomes 100% and more
Answer: Relative humidity becomes 100% and more
- Q. Consider the following statements: 1. The annual range of temperature is greater in the Pacific Ocean than that in the Atlantic Ocean. 2. The annual range of temperature is greater in the Northern Hemisphere than that in the Southern Hemisphere. Which of the statements given above is/are correct?
A)Both 1and 2
B)1 only
C)2 only
D)Neither 1 nor 2
Answer: 2 only
- 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. Troposphere is the most warm part of the atmosphere because
A)It gets warm from the heat of the surface of the Earth
B)It is closer to the Sun
C)It contains charged particles
D)It produces heat
Answer: It gets warm from the heat of the surface of the Earth
- Q. Very strong and cold icy winds that blow in the Polar regions are called ________
A)Blizzards
B)Typhoons
C)Tornadoes
D)Polar winds
Answer: Blizzards
- Q. When a descending air contracts and its volume decreases, what happens to its temperature?
A)Its temperature remains constant
B)Its temperature decreases
C)Its temperature increases
D)Its temperature first increases, then decreases
Answer: Its temperature increases
- Q. The jet aircrafts fly very easily and smoothly in the lower stratosphere. What could be the appropriate explanation? 1. There are no clouds or water vapour in the lower stratosphere. 2. There are no vertical winds in the lower stratosphere. Which of the statements given above is/are correct in this context?
A)Both 1 and 2
B)1 only
C)2 only
D)Neither 1 nor 2
Answer: Both 1 and 2
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