More Questions on Atmosphere
- Q. Consider the following statements regarding general characteristics associated with tropical cyclones 1. Tropical cyclones move with very low velocity over the oceans but become strong while moving over the land areas. 2. They are confined to a particular period of the year (mainly summer) and normally move from east to west. 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: 2 only
- Q. Which of these statements are correct with reference to tornadoes? 1. Tornadoes are smaller and more intense than hurricanes. 2. Tornadoes are most abundant along the eastern coast of India. 3. The average tornado lasts for less than one hour. 4. Tornadoes are most common in the afternoons in the early summer.
A)1, 2 and 4
B)1, 3 and 4
C)2, 3 and 4
D)1, 2 and 3
Answer: 1, 3 and 4
- 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 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 located at the minimum height from the Earth?
A)Thermosphere
B)Stratosphere
C)Mesosphere
D)Troposphere
Answer: Troposphere
- 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. 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. Consider the following statements 1. Tropical cyclones have circular isobars. 2. Tropical cyclones originate entirely within the tropical air mass. 3. The intensity and magnitude of hurricanes generally exceed those of typhoons. 4. Tropical cyclones are more destructive than the western disturbances. Select the correct answer by using the following codes
A)2 and 3
B)1, 2 and 4
C)1 only
D)3 and 4
Answer: 1, 2 and 4
- Q. Atmospheric humidity is measured by ________
A)Lysimeter
B)Psychrometer
C)Anemometer
D)Hydrometer
Answer: Psychrometer
- Q. Choose the incorrect statement ________
A)Absolute humidity is expressed in grams per cubic metre of air
B)Capacity of air to hold moisture decreases with a rise in temperature of the air
C)The air pressure decreases with an increase in temperature
D)With an ascent of every 165 metres, the temperature is reduced by 1°C
Answer: Absolute humidity is expressed in grams per cubic metre of air
- Q. The layer of the atmosphere which provides ideal conditions for flying on jet aeroplanes is ________
A)Ionosphere
B)Troposphere
C)Stratosphere
D)Exosphere
Answer: Stratosphere
- Q. When the wind is deflected due to the rotation of the Earth, it is called as ________
A)Westerlies
B)Geostropic wind
C)Polar wind
D)Trade winds
Answer: Geostropic wind
- 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. A level of atmosphere which is composed partly of Electrons and Positive Ions is called
A)Stratosphere
B)Troposphere
C)Ionosphere
D)Mesosphere
Answer: Ionosphere
- Q. What is the major role of a greenhouse gas that contributes to temperature rise of the Earth’s surface?
A)Lets outgoing infrared radiation pass through but stops incoming sunlight
B)Transparent to both incoming sunlight and outgoing infrared radiation
C)Stops both incoming sunlight and outgoing infrared radiation
D)Lets incoming sunlight pass through but stops outgoing infrared radiation
Answer: Lets incoming sunlight pass through but stops outgoing infrared radiation
- Q. At low elevation which among the following clouds are to be found ?
A)Cumulus
B)Cirrus
C)Nimbus
D)Stratus
Answer: Nimbus
- 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. 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. 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. 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
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