UPSC,PCS,CDS,NDA /Atmosphere Multiple Choice Questions Set 2 Sample Test,Sample questions

Question:
 A devastating Cloud Burst swept over Leh on August 2010. Which one of the following statements with regard to Cloud Burst is not correct?

1.Cloud Burst is a localized weather phenomenon representing highly concentrated rainfall over a small area in a short duration of time

2.Cloud Burst occurs due to upward movement of moisture laden air with sufficient rapidity to form cumulonimbus clouds

3.Cloud Burst occurs only in hilly areas

4.There is no satisfactory technique till now for predicting Cloud Burst


Question:
 An important gas in the atmosphere that absorbs sun’s ultraviolet rays is
A. 
D. 

1.Oxygen

2.Nitrogen

3.Ozone

4.Hydrogen


Question:
 An upper air wind system with very high velocities in certain parts of the atmosphere is called ________

1.A cyclone

2. An anticyclone

3. Jet stream

4.A tsunami


Question:
 Because of which one of the following factors, clouds do not precipitate in deserts?
A. Low pressure
B. Low humidity
C. High wind velocity
D. High temperature

1.. Low pressure

2. Low humidity

3.High wind velocity

4.High temperature


Question:
 Density of the Earth’s atmosphere is highest in the

1.Troposphere

2.Stratosphere

3.Mesosphere

4.Ionosphere


Question:
 Doldrums are belts of low atmospheric pressure obtained in the regions adjoining the equator to a distance of ____

1.5 degree latitude towards the north only .

2. 5 degree latitude towards the south only

3. 5 degree latitude towards north and south

4.15 degree latitude towards north and south


Question:
 In the atmosphere of the primitive earth there was no ________

1.Oxygen

2.Carbon dioxide

3.Nitrogen

4.Ammonia


Question:
 In the earth’s atmosphere, the atmospheric pressure ________

1. Increases with height

2.Decreases with height

3.Remains constant with height

4.First increases and then decreases with height


Question:
 Increase in carbon dioxide in atmosphere causes ________

1.Rise in earth temperature

2.Fall in earth temperature

3.Uniform earth temperature

4. Increase in Ultraviolet rays


Question:
 The Sea breeze blows during ________

1.Day from land to sea

2.Day from sea to land

3.Night from land to sea

4.Night from sea to land


Question:
 What causes snowfall?

1.When condensation takes place below 0° C and precipitation occurs in the form of flakes

2.When rain freezes into snow-flakes while passing through the atmosphere

3.When condensation takes place in form of fog and precipitation occurs as flakes

4.When the air temperature is much lower than surface temperature


Question:
 When a descending air contracts and its volume decreases, what happens to its temperature?

1.Its temperature decreases

2. Its temperature increases

3. Its temperature remains constant

4.Its temperature first increases then decreases


Question:
 Which of the following sequences of atmospheric layers is correct from below?

1.Stratosphere Ionosphere Tropopause Troposphere

2.Ionosphere Troposphere Stratosphere Tropopause

3.Troposphere Tropopause Stratosphere Ionosphere

4.Tropopause Troposphere Ionosphere Stratosphere


Question:
 Which of these statements are correct regarding the atmosphere of the earth:,1. It is enveloping the earth because of gravity.,2. Its density decreases with increasing height from the surface of the earth.,3. Its characteristic composition is same throughout its height.,4. Amount of pressure it exerts on earth’s surface at sea level is called one atm sphere.

1.1 and 4

2.2 and 4

3. 2 3 and 4

4.1 2 and 4


Question:
 Which one among the following statements relating to an anticyclone is correct?

1.Anticyclone is a wind system with a high pressure centre

2.in anticyclone the movement of wind is inward

3.The contribution of an anticyclone towards determining weather of an area is quite significant

4.The movement of wind is clockwise in an anticyclone of southern hemisphere


Question:
 Which one of the following conditions is not necessary for precipitation to occur?

1.The air must be warm

2.The air must be saturated

3.The air must be cooled below its dew point

4.The air must contain hygroscopic particles


Question:
 Which one of the following constituents of the atmosphere causes greatest changes in climate and weather?

1.Nitrogen

2.Oxygen

3.Ozone

4.Water Vapour


Question:
 Which one of the following is not a correct example of tropical cyclone?

1.Tornadoes

2.Typhoons

3.Hurricanes

4.Nor westers


Question:
A fragment of solid matter which enters the upper atmosphere from outer space almost disintegrating before reaching the earth’s surface is

1.Meteorite

2.Asteroid

3.Meteor

4.Comet


Question:
Anticyclones are caused by __

1.Violent winds

2.Heavy rainfall

3.Winds that blow spirally outwards from the centre

4.Winds that blow spirally inwards


Question:
Condensation is a process which occurs when

1.Temperature falls below 0°C

2. Absolute humidity becomes equal to relative humidity

3.Temperature in the air parcel remains static

4.Relative humidity becomes 100% and more


Question:
Consider the following statements:,1. A hurricane acquires its spin from the Coriolis effect.,2. The diameter of the hurricane decreases as it moves away from low latitudes.,3. The diameter of a hurricane is never below 150 km.,Which of the statements given above is/are correct?

1.1 only

2.2 and 3 only

3.1 and 3 only

4.1 2 and 3


Question:
Consider the following statements:,1. The monsoon climate is found in Northern Australia.,2. The China type climate is found in Argentina.,Which of the statements given above is/are correct?

1. 1 only

2. 2 only

3.Both 1 and 2

4.Neither 1 nor 2


Question:
Consider the following statements:,1. The variation in an average annual range of temperature at 15° latitude of Southern Hemisphere is much less than that at 15° latitude of Northern Hemisphere.,2. At latitudes poleward of 35° the incoming radiation exceeds the outgoing radiation in. Northern Hemisphere, whereas in Southern Hemisphere the outgoing radiation exceeds the incoming radiation.,Which of the statements given above is/are correct?

1. 1 only

2. 2 only

3.Both 1 and 2

4.Neither 1 nor 2


Question:
Cyclone is a system of wind blowing ___

1. Spirally outwards from a high pressure region

2. Spirally towards low pressure region

3.In a straight line from high to low pressure region

4.From Ball of Bengal towards Bangladesh annually


Question:
Fogs formed along, the sea-coast are due to ________

1.Advection

2.Radiaton

3.Convection

4.Conduction


Question:
Heat gain through insolation and heat loss through terrestrial radiation are equal approximately at which latitude?

1.22° W North and South

2.40° North and South

3.90° North and South

4.66° W North and South


Question:
Lapse rate is related to the decrease of ________

1.Wind velocity with an ascent of 300 feet

2.Humidity with an ascent of 450 feet

3.Temperature at 1°F for an ascent of 330 feet

4.Pressure with an ascent of 500 feet


Question:
Lapse rate is related to the decrease of ________

1.Wind velocity with an ascent of 300 feet

2.Humidity with an ascent of 450 feet

3.Temperature at 1°F for an ascent of 330 feet

4.Pressure with an ascent of 500 feet


Question:
Logically, what does a continually rising air pressure indicate?

1.Advent of unsettled and cloudy weather

2.Advent of a cyclone

3.Fine and settled weather

4.Fine and unsettled weather


Question:
Pampero is ____

1.A cold wind which prevails in Argentina and Uruguay

2.A low pressure area in Equator 63° S

3.A moisture laden wind which brings rainfall to the west coast of Panama

4.A high pressure area which develops first and then leads to the formation of an anticyclone


Question:
The absence of which among the following causes the temperature of the atmosphere to decrease with ascent along with decreasing density of air?,I. Vegetation,II. Water,III. Carbon dioxide,IV. Oxygen,V. Nitrogen

1.I and II

2. III and IV

3. II and III

4.II and V


Question:
The atmospheric layer farthest from the Earth’s surface is known as

1.Stratosphere

2.Exosphere

3.Ionosphere

4.Mesosphere


Question:
The heat from Sun to Earth is called as

1.Temperature Radiation

2.Insolation

3.Emitted Heat

4.Solar Radiation


Question:
The innermost layer is the core with a radius of about ________ km.

1.500

2.6500

3.9500

4.3500


Question:
The instrument used for finding out wind-direction is _

1.Anemometer

2.Wind vane

3.Wind gauze

4.Hygrometer


Question:
The January isotherm taken as a basis for dividing India into tropical and subtropical zones is ________

1.A. 21°

2. 18° C

3. 12° C

4.15° C


Question:
The layer of the atmosphere which provides ideal conditions for flying on jet aeroplanes is ____

1.Troposphere

2.Stratosphere

3.Ionosphere

4.Exosphere


Question:
The most abundant element in the Earth’s atmosphere is

1.Argon

2.Nitrogen

3.Oxygen

4.Krypton


Question:
The phenomenon of ‘trade winds’ takes place due to

1.Conduction of heat

2.Convection of heat

3.Radiation

4.None of the above


Question:
The portion of the atmosphere which extends from the earth’s surface upto 6-8 miles and experiences decrease in temperature at constant rate is ___

1.Stratosphere

2.Tropopause

3.Troposphere

4.Ionosphere


Question:
The total number of layers above Earth are

1.4

2.5

3.2

4.3


Question:
The Trade winds are caused by __

1.Rotation of the earth

2.Revolution of the earth

3.Inflowing movement of air along the earth’s surface towards the equator

4.None of the these


Question:
The velocity of winds is related to ___

1.The amount of moisture they carry

2.The nearness to the sea

3.Pressure gradient in the direction of their flow

4.The direction in which they blow


Question:
Transfer of surplus heat from the lower latitudes to higher latitudes is done by :,I. ocean currents,II. planetary winds,III. tides,IV. waves

1.I and II

2.III and IV

3. I and IV

4. II and III


Question:
Troposphere is the hottest part of the atmosphere because

1. It is closest to the Sun

2.There are charged particles in it

3. It is heated by the Earth’s surface

4.Heat is generated in it


Question:
Water vapour beyond the dew point results in ___

1.Precipitation

2.Hailstorm

3.Condensation

4.Formation of ice


Question:
What is a cloudburst?

1.It refers to sudden and copious rainfall over a small area which often lasts for only a few minutes

2.It refers to 50mm rain over a period of time

3.It is caused by rapid condensation of very high clouds

4. It refers to a thunderstorm with little rain


Question:
What is the correct sequence of the given clouds from low to high altitudes?

1.Stratus Cumulonimbus Cirrostratus Cirrus

2.Stratus Cirrostratus Cumulonimbus Cirrus

3.Cumulonimbus Stratus Cirrus Cirrostratus

4.Cumulonimbus Stratus Cirrostratus Cirrus


Question:
What is the name of the layer closest to the Earth?

1.Ionosphere

2.Stratosphere

3.Troposphere

4.Exosphere


Question:
When can one record the lowest temperature of air?

1.Just before sunrise

2.At midnight

3.At 3 a.m.

4. No fixed time


Question:
When the wind is deflected due to the rotation of the Earth, it is called as ________

1.Geostropic wind

2.Polar wind

3.Westerlies

4.Trade winds


Question:
Where do all meteorological incidents occur?

1.Stratosphere

2.Troposphere

3.Ionosphere

4.Exosphere


Question:
Which are of the following is wrongly characterised?

1.Chinook- Canada – winter – warm

2.Khamsin – Egypt – spring – hot

3.Sirocco – Sahara – spring – hot

4.Mistral – Rhone Valley – summer – cold


Question:
Which is the lowest layer of Atmosphere?

1.Troposphere

2.Stratosphere

3.Mesosphere

4.Exosphere


Question:
Which of the following are the ideal conditions for the phenomenon of temperature inversion to occur? ,I. Long nights,II. Cloudy sky,III. Calm and stable air,IV. Dry air

1. I and II

2. I II and III

3.II III and IV

4. I III and IV


Question:
Which of the following are true with regard to temperature control of the atmosphere of a given place?,I. The major temperature contrasts on earth’s surface are between land masses and oceans,II. During night, the water surface cools more rapidly than the land surface,III. Temperature generally decreases with latitude on either side of the equator,IV. Temperature rises to a maximum during summer and falls to a minimum during winter

1. I III and IV

2.II III and IV

3. I and II

4.II and IV


Question:
Which of the following constituents of the atmosphere are important from the climatic point of view ? ,1. Nitrogen,2. Oxygen,3. Carbon dioxide

1.1 and 2

2.2 and 3

3. 1 2 and 3

4. Only 3


Question:
Which of the following is the annual precipitation of an area?

1.All forms of precipitation converted to the quantity of liquid water

2.The total actual amount of rain snow hail and sleet

3.The total amount of rain per year irrespective of snow hail and sleet

4.All forms of precipitation measured after conversion to equal quantity of ice


Question:
Which of the following is wrongly matched?

1.Rainfall caused by mountain standing in the way of moisture – laden winds – relief rainfall

2. Rain caused by vertical circulation of air currents – orographic rainfall

3.Rain caused by a warm moist air mass moving upward over cold air mass – cyclonic rainfall

4.An area sheltered from rain bearing winds by a hill – rain shadow area


Question:
Which of the following statements is/are correct?,1. Cyclone is a low pressure system.,2. The wind movement is clockwise in the cyclone of northern hemisphere.,Select the correct answer using the code given below ________

1.1 only

2. 2 only

3.Both 1 and 2

4.Neither 1 nor 2


Question:
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.

1.1 3 and 4

2. 2 3 and 4

3.1 2 and 4

4.1 2 and 3


Question:
Which one among the following is a high cloud?

1.Cirrus

2.Cumulonimbus

3.Nimbostratus

4.Stratus


Question:
Which one among the following local winds is not characteristically hot and dry?

1.Sirocco

2.Mistral

3.Khamsin

4.Chinook


Question:
Which one of the following characteristics is not associated with the tropical cyclones?

1.Before the cyclone arrives the air becomes very still and temperature and humidity are high

2.As the front of the vertex arrives gusty winds develop and thick clouds appear

3.As the cold front passes the weather changes very rapidly

4.Calm conditions return when the eye of the cyclone arrives


Question:
Which one of the following characteristics is not associated with the tropical cyclones?

1.Before the cyclone arrives the air becomes very still and temperature and humidity are high

2.As the front of the vertex arrives gusty winds develop and thick clouds appear

3.As the cold front passes the weather changes very rapidly

4.Calm conditions return when the eye of the cyclone arrives


Question:
Which one of the following climates is found in coastal areas of Californian North America, Central Chile in South America and South-West tip of West Australia?

1.Tropical savanna

2.Mediterranean

3.Humid Continental

4.Low-latitude steppe


Question:
Winds and air currents differ in the aspect that _

1.Air currents blow much faster than winds

2.Air currents are always moisture laden while the winds are usually dry

3.The winds blow on lands while air currents blow over seas and oceans

4.Winds are horizontal movements of air while air currents are the vertical movements of air


Question:
Winds blow ____

1.In regions of low pressure

2.From a region of high pressure to a region of low pressure

3.From a region of low pressure to a region of high pressure

4.In regions of high pressure


Question:
With reference to the sub-tropical high pressure belt, consider the following statements:,1. It is affected by Earth’s rotation and descent of winds from higher altitudes.,2. It is dynamically induced and characterized with anti-cyclonic conditions.,Which of the statement(s) given above is/are correct?

1.1 only

2.Both 1 and 2

3.2 only

4.Neither 1 nor 2


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