Arrange the following gases of the atmosphere in increasing order by volume:,I. Nitrogen,II. Oxygen,III. Carbon dioxide,IV. Argon
1.I II III IV
2.I II IV III
3. III IV II I
4. IV III II I
In the northern hemisphere, currents are deflected to their right due to ________
1.Centrifugal force
2.Coriolis force
3.Cyclonic storms
4.None of these
In the northern hemisphere, the wind blowing from the Horse latitudes to the Doldrums is called __
1.Westerly wind
2.Trade wind
3.Polar Easterly
4.Jet Stream
The dry wind ‘Santa Ana’ blows in ________
1.Siberia
2.Argentina
3.Switzerland
4.California
The study of the processes of atmosphere is called as
1.Astrology
2.Meteorology
3.Seismology
4.Astronomy
Venus has atmosphere made up of
1.Ammonia
2.Carbon dioxide
3.Helium
4.Hydrogen
Which of the following colour types do not indicate fair or fine weather? D.
1. Cirrus
2.Cumulus
3.Altocumulus
4.Cumulonimbus
Which of the following is produced by the rapid ascent of moist air?
1.Frost
2.Fog
3.Hail
4.Snow
Which of the following statements is not true of Trade Winds?
1.They blow from the Horse Latitudes to the Doldrums
2.They are deflected to the right to become South-East Trades in the southern hemisphere
3.They are constant in strength and direction
4.They sometimes contain intense depressions
Why the Earth is having its own atmosphere?
1.Winds
2.Clouds
3.Gravity
4.Rotation of the Earth
Wind in the Southern hemisphere is deflected towards left due to ________
1.Temperature variations
2.Rotation of the earth
3.Difference in pressure
4. Difference in water content
A level of atmosphere which is composed partly of Electrons and Positive Ions is called
1.Troposphere
2.Ionosphere
3.Stratosphere
4.Mesosphere
A sudden fall in the barometric reading indicates ________
1.Rain
2.Storm
3. Fine weather
4.Extreme cold
Agents of fog formation do not include _____
1.High relative humidity
2.Diurnal temperatures of short ranges
3.Winter season
4.Rapid radiation
At low elevation which among the following clouds are to be found ?
1.Cirrus
2.Nimbus
3.Cumulus
4.Stratus
At which height, the gaseous surrounding has covered the Earth’s atmosphere?
1.100km
2.150km
3.200km
4.300km
Atmospheric humidity is measured by ________
1.Psychrometer
2.Anemometer
3.Lysimeter
4.Hydrometer
Choose the correct option with the correct sequence of the layers of atmosphere
1.Mesophere Ionosphere Exosphere Troposphere Stratosphere
2.Ionosphere Exosphere Mesosphere Stratosphere Troposphere
3.Exosphere Troposphere Ionosphere Mesosphere Stratosphere
4.Troposphere Stratosphere Mesosphere Ionosphere Exosphere
Consider the following statements regarding the distribution and pattern of isotherms,1. In the northern hemisphere, isotherms bend sharply equator-ward over the continents during winter.,2. Temperature gradients are greater in summer than in winter in the northern hemisphere.,Which of the statement(s) given above is/are correct?
1. 1 only
2.2 only
3.Both 1 and 2
4. Neither 1 nor 2
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
1.1 2 and 4
2.1 only
3.. 2 and 3
4.3 and 4
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?
1.1 only
2.2 only
3.Both of the above
4.Neither 1 nor 2
Consider the following statements:,1. Troposphere varies in its thickness between equator and poles.,2. Stratosphere does not experience Normal Lapse Rate.,3. Ozone layer occurs in the Mesophere.,4. Ionosphere lies between Stratosphere and Mesosphere ,Which of these statements are correct?
1.1 and 2
2.2 and 3
3.3 and 4
4.1 2 and 4
Countries favourably influenced by Westerlies are ______
1.Western Europe British Columbia and East of U.S.
2.South-West Africa and South Chile
3.New Zealand
4. All of these
Doldrums are ________
1.High latitudes with heavy snow
2.Equatorial zone with low pressure
3.High pressure areas on mountains
4.Sub-polar zone with high pressure
Frontal rain is caused by ___
1.Convection currents
2. Winds from sea
3.Cyclonic activity
4.Condensation of water evaporated from mountains
In which layer, temperature increases dramatically?
1.Ionosphere
2.Exosphere
3.Stratosphere
4.Troposphere
Land masses are heated and cooled much faster than water bodies. Identify the true statements in this regard:,I. Land gets heated by conduction,II. Water has higher specific heat,III. Only the surface layers of water are heated,IV. Water gets heated by convection
1. I II and III
2.II and III
3.I and IV
4. I II and IV
Local thunderstorms ‘Nor westers’ are prominent in ________
1. Punjab
2.West Bengal
3.Andhra Pradesh
4.Tamil Nadu
Mist is a result of which one of the following?
1.Condensation
2.Evaporation
3.Sublimation
4.Saturation
Northern part of Australia is typified by which one of the following?
1.Equatorial climate
2.Mediterranean climate
3.Temperate climate
4.Monsoon climate
Precipitation takes place when ________
1.The sky is overcast with clouds
2.Temperature of moisture in air suddenly increases
3.Temperature of moisture in air sharply decreases
4.Winds begin to blow in a circular motio
Smog is likely to occur ________
1.Around valleys
2.Near lakes
3.On calm clear and cool nights
4.Near the industrial areas
Some large lakes in temperate latitudes have a moderating influence upon the climate of adjacent land surfaces. Such an influence may develop when _
1. The water is shallow
2.The lake is high above sea level
3.Prevailing out-blowing winds cross the lake in winter
4.The lake is a basin of inland drainage
Temperate cyclones bring along with them __
1.Pleasant weather
2.Snowfall and hail
3.Thunderstorms and torrential rainfall
4.Mild rainfall
Temperature generally decreases towards the poles because ______
1.Air movement is generally towards the. equator
2.Cold polar air masses prevent surface heating of the land
3.Cold surfaces do not absorb solar energy as readily as warm surfaces
4.Progressively lesser solar energy per unit area falls on the earth’s surface as we move to polar regions
The albedo of which one among the following is the highest?
1.Cirrus cloud
2.Cumulonimbus cloud
3.Melting snow
4.Sand
The amount of actual water vapour of air is known as ________
1.Absolute humidity
2.Dew point
3.Relative humidity
4.Condensation point
The capacity of the Atmosphere to hold water vapour
1.Increases as the temperature increases
2.Decreases as the temperature increases
3.Increases as the temperature decreases
4.Decreases as the temperature decreases
The cauliflower shape is associated with which of the following cloud formations?
1.Stratus
2.Cumulus
3.Nimbus
4.Cirrus
The chemically inactive gas present in the atmosphere is ________
1.Nitrogen
2.Argon
3. Water vapour
4.Oxygen
The clouds extending from one side of horizon to other as 3 dark grey sheet having uniform base are called ___
1.Stratus clouds
2. Cumulus clouds
3.Cirrus clouds
4.Nimbus clouds
The cold and dense air blowing down the mountain slope during the night is known as ________
1.Anabatic wind
2.Khamsin
3.Katabatic wind
4.Harmattan
The contact of two air masses differing sharply in humidity originates:
1.Tropical cyclones
2.Inter-tropical convergence
3.Temperate cyclones
4.Tropospheric instability
The continuous circulation of water among the hydrosphere, atmosphere and lithosphere is known as
1.Water circulation
2.Hydrologic cycle
3.Hydro-equilibrium
4.Precipitation
The core of the Earth is also known as
1.Lithosphere
2.Mesosphere
3.Barysphere
4.Centrosphere
The correct sequence of different layers of the atmosphere from the surface of the Earth upwards is _____
1.Troposphere Stratosphere Ionosphere Mesosphere
2. Stratosphere Troposphere Ionosphere Mesosphere
3.Troposphere Stratosphere Mesosphere Ionosphere
4.Stratosphere Troposphere Mesosphere Ionosphere
The dense mass of small water drops on smoke particles in the lower layers of the atmosphere is ________
1.Smog
2.Frost
3.Fog
4.Dew
The hot and dry winds that help in the ripening of grapes in the Alps region is __
1.Chi nook
2.Foehn
3.Mistral
4. Roaring Forties
The hot dry local winds that blow on the eastern side of the Alps Mountain are known as ______
1.Chinook
2.Foehn
3.Khamsin
4.Sirocco
The inner-most layer of the Earth is known as
1.Lithosphere
2.Mesosphere
3.Aesthenosphere
4.Barysphere
The instrument used for measuring relative humidity in air is ________
1. Hygrometer
2.Hydrograph
3.Pantograph
4.Barograph
The intensity of insolation depends on
1.Altitude
2. Nature of terrain
3.Wind
4.Latitude
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?
1. 1 only
2.2 only
3.Both 1 and 2
4. Neither 1 nor 2
The layer of atmosphere which reflects radio waves is
1.Ionosphere
2.Troposphere
3.Stratosphere
4.Exosphere
The most important factor in thunderstorms development is ____
1.Atmospheric stability
2.Atmospheric instability
3.Abundance of moisture
4.Temperature inversion
The radiation that heats earth’s atmosphere comes from the
1.Sun
2.Earth
3.Ionosphere
4.Sun and earth
The water content in the atmosphere _
1.Is independent of temperature
2.Increases as temperature increases
3. Decreases as temperature increases
4.Either increases or decreases with temperature increase
Very strong and cold icy winds that blow in the Polar regions are called ________
1.Typhoons
2.Tornadoes
3.Blizzards
4.Polar winds
Warm dry winds blowing down the east slopes of Rockies are known as ________
1.Mistral
2.Nor’ westers
3.Foehn
4.Chinook
What do you understand by the term ‘Advection’ ?
1.Heat is transferred horizontally by winds
2.Heat is transferred horizontally by both winds and ocean currents.
3. Heat is transferred vertically through the air
4.Heat is transferred horizontally through ocean currents
What is approximately the quantum of the pressure exerted by the atmosphere at sea level?
1.One kg per sq km
2.One kg per sq mtr
3.Five kg per sq cm
4. Five kg per sq mtr
What is the correct sequence of the following zonal pressure belts?,1. Subpolar low,2. Equatorial low,3. Polar high,4. Subtropical high
1.2 3 1 4
2.1 4 2 3
3. 2 4 1 3
4.1 3 2 4
What is the major role of a greenhouse gas that contributes to temperature rise of the Earth’s surface?
1.Transparent to both incoming sunlight and outgoing infrared radiation
2.Stops both incoming sunlight and outgoing infrared radiation
3.Lets outgoing infrared radiation pass through but stops incoming sunlight
4.Lets incoming sunlight pass through but stops outgoing infrared radiation
What is the name of the layer above Earth’s surface which is located at the height of 8km from poles and 16km from the equator?
1.Mesosphere
2.Atmosphere
3.Troposphere
4.Stratosphere
What is the percentage of Nitrogen in atmosphere of the Earth?
1.0.94
2. 0.03
3.78.03
4.85.02
What is true with regard to Jet Streams?,1. High velocity winds,2. Blow from west to east,3. Blow in upper troposphere near the tropopause,4. Blow in the mesosphere
1.2 and 3
2. 2 and 4
3.. 1 2 and 3
4.1 2 and 4
When the relative humidity is 50 percent and air temperature is 30°C, a cooling of air mass ______
1.Raises the absolute humidity
2. Produces no change in relative humidity
3.Decreases the relative humidity
4.Increases the relative humidity
Which is the warmest layer of the atmosphere?
1.Thermosphere
2.Troposphere
3.Stratosphere
4.Mesosphere
Which of the following are true regarding the ionosphere? I. It is the uppermost layer of the 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
1. I and II
2.I and II
3.. II and III
4.. I II and III
Which of the following characterises the Foehn?,I. It is warm,II. It is humid,III. It is common in the valleys of the northern Alps,IV. It blows in winter
1.I II and IV
2.I II and III
3. I III and IV
4.I II III and IV
Which of the following is a cold wind?
1.Buran
2.Fen
3.Chinook
4.Sirocco
Which of the following is specially true of anticyclones in the southern hemisphere?
1.The air moves in a circular manner
2. Pressure increases from the outside to the centre
3.They often form over continents
4. The air moves in an anti-clockwise direction
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
1. I only
2.. II only
3. I and III
4.. All three
Which of the following is/are correct in matching the layer of atmosphere and its characteristic ?,I. Troposphere : weather phenomena,II. Stratosphere : ozone layer,III. Ionosphere : radio waves reflected to earth’s surface,IV. Mesosphere : Aurorae
1.I II III and IV
2. I II and IV
3. II and III
4. I II and III
Which of the following layers of the Earth’s atmosphere provide ideal flying conditions for Jet aircraft?
1.Mesosphere
2.Thermosphere
3.Stratosphere
4.Troposphere
Which of the following places are favourably influenced by the Trade winds?,I. West Indies,II. Brazil,III. Mexico,IV. Madagascar
1.I and II
2.. I II III and IV
3. III and IV
4.II and IV
Which of the following sequences of clouds in ascending order would one meet 500 metres and above the mean sea level?
1.Stratus Nimbus Cirrostratus Cirrus
2.Nimbus Cirrostratus Cirrocumulus Stratus
3. Cirrostratus Stratus Cumulo-nimbus
4.Stratus Cirrostratus Cumulo-numbus Cirrocumulus
Which of the following statements characterize the anticyclones?,1. Anticyclones are low pressure systems.,2. They are characterized by divergent wind circulation.,3. They are indicative of dry weather conditions.,Select the correct answer using the codes given below
1.2 and 3
2.1 and 3
3.1 2 and 3
4.1 only
Which of the following statements is incorrect?
1.Roaring forties are the southern latitudes where Westerlies are prevalent
2. Monsoons are local seasonal winds
3.Doldrum belt lies between 10°N and 10°S latitudes
4.Horse latitudes are found between Trade winds and Westerlies
Which of the following statements is not true?
1.Presence of water vapour is highly variable in the lower atmosphere.
2.The zone of maximum temperature is located along the equator.
3. Frigid zones are located in both the hemispheres between the polar circles and the poles.
4.Jet streams are high altitude winds affecting the surface weather conditions.
Which of the following winds is incorrectly paired with the area in which it prevails?
1. Berg wind – South eastern Africa
2.Karaburan – Tarim basin of Sinkiang
3.Southerly Burster – New South Wales
4.Hurricanes – New Zealand
Which one among the following forces is most powerful in determining movement of wind including its velocity ?
1.Gravitational force
2.Centrifugal force
3. Frictional force
4.Pressure gradient force
Which one among the following statements relating to a cyclone is not correct?
1. It is a wind circulation system with a low pressure at the centre
2. It brings about sudden change In weather condition in an area
3.Wind movement towards the low pressure centre of a cyclone is clockwise in the northern hemisphere
4. It is known as hurricane in West Indies
Which one of the following is a type of planetary wind?
1. Monsoons
2.Loo
3.Westerlies
4.Tornadoes
Which one of the following is the cloud that is dark-grey or black, found at very low height and brings the real rain?
1.Altocumulus
2.Cirrus
3.Cirrostratus
4.Nimbostratus