More Questions on Atmosphere
- 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. Which one among the following is a high cloud?
A)Nimbostratus
B)Cirrus
C)Cumulonimbus
D)Stratus
Answer: Cirrus
- Q. Cloud burst means ________
A)Presence of scattered flakes of cloud in the sky
B)Abnormally heavy downpour of rain, associated with a thunderstorm
C)Formation of artificial rain
D)Sowing of seeds of a crop in a cloudy weather
Answer: Abnormally heavy downpour of rain, associated with a thunderstorm
- Q. Which gas is found in maximum quantity in lower atmosphere?
A)Oxygen
B)Hydrogen
C)Carbon dioxide
D)Nitrogen
Answer: Nitrogen
- Q. Increase in carbon dioxide in atmosphere causes ________
A)Uniform earth temperature
B)Rise in earth temperature
C)Fall in earth temperature
D)Increase in Ultraviolet rays
Answer: Rise in earth temperature
- 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. Which of the following is especially true of anticyclones in the southern hemisphere?
A)They often form over continents
B)The air moves in a circular manner
C)Pressure increases from the outside to the centre
D)The air moves in an anti-clockwise direction
Answer: The air moves in an anti-clockwise direction
- Q. The layer of atmosphere which reflects radio waves is
A)Stratosphere
B)Ionosphere
C)Troposphere
D)Exosphere
Answer: Ionosphere
- Q. An upper air wind system with very high velocities in certain parts of the atmosphere is called ________
A)Jet stream
B)A cyclone
C)An anticyclone
D)A tsunami
Answer: Jet stream
- Q. Consider the following statements: 1. Either of the two belts over the oceans at about 30° to 35° N and S Latitudes is known as Horse Latitude. 2. Horse latitudes are low pressure belts. 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. 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. Which of the following sequences of atmospheric layers is correct from below?
A)Troposphere, Tropopause, Stratosphere, Ionosphere
B)Stratosphere, Ionosphere, Tropopause, Troposphere
C)Ionosphere, Troposphere, Stratosphere, Tropopause
D)Tropopause, Troposphere, Ionosphere, Stratosphere
Answer: Troposphere, Tropopause, Stratosphere, Ionosphere
- 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. Transfer of surplus heat from the lower latitudes to higher latitudes is done by : I. ocean currents II. planetary winds III. tides IV. waves
A)I and IV
B)I and II
C)III and IV
D)II and III
Answer: I and II
- 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. What is the name of the layer closest to the Earth?
A)Troposphere
B)Ionosphere
C)Stratosphere
D)Exosphere
Answer: Troposphere
- 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
- 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 the following sequences of clouds in ascending order would one meet 500 metres and above the mean sea level?
A)Cirrostratus, Stratus, Cumulo-nimbus
B)Stratus, Nimbus, Cirrostratus, Cirrus
C)Nimbus, Cirrostratus, Cirrocumulus, Stratus
D)Stratus, Cirrostratus, Cumulo-numbus, Cirrocumulus
Answer: Stratus, Nimbus, Cirrostratus, Cirrus
- Q. Which of the following statements about Stratosphere is incorrect?
A)It is not free from the violent weather changes occurring on the earth
B)It is the region in the atmosphere above tropopause
C)It contains ozone layer which prevents ultraviolet radiations of sun from reaching to the earth
D)It provides ideal flying conditions
Answer: It is not free from the violent weather changes occurring on the earth
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