UPSC Geography Climate / जलवायु Question Bank

done Climatology Total Questions - 171

• question_answer1)
  The correct sequence of atmospheric gases as expressed in percentage by volume is
  A)
   Oxygen, carbon dioxide, nitrogen, hydrogen done clear
  B)
   Carbon dioxide, oxygen, nitrogen, hydrogen done clear
  C)
   Hydrogen, nitrogen, carbon dioxide, oxygen done clear
  D)
   Nitrogen, oxygen, carbon dioxide, hydrogen done clear
  View Solution play_arrow

• question_answer2)
  Consider the following statements about ozone gas in the atmosphere:

  I. Its maximum concentration is 20 to 25 km above the earth's surface.

  II. It saves us from the intense heat of the sun.

  A)
   Statement I is correct done clear
  B)
   Statement II is correct done clear
  C)
   Both Statement I and Statement II are correct done clear
  D)
   Neither I nor II is correct done clear
  View Solution play_arrow

• question_answer3)
  Examine the following statements and select the correct answer using codes given below:

  1. Atmosphere is odourless, tasteless and colourless

  2. Atmosphere is held to the earth by its gravitational force and is an integral part of the earth.

  3. Hydrogen present in the air is a heavy gas and is confined to the lower layers of the atmosphere only.

  4. Dust particles present in the atmosphere act as hydroscopic matter.

  A)
   1 and 2 only     done clear
  B)
   1, 2 and 3 only done clear
  C)
   2, 3 and 4 only              done clear
  D)
   1, 2 and 4 only done clear
  View Solution play_arrow

• question_answer4)
  Consider the following statements

  1. Most of the weather phenomena are associated with stratosphere.

  2. Lower part of stratosphere is called ozonosphere

  Which of the above statements is/are correct?
  A)
   1 only                          done clear
  B)
   2 only done clear
  C)
   Both 1 and 2                 done clear
  D)
   Neither 1 nor 2 done clear
  View Solution play_arrow

• question_answer5)
  Match list I with list II and select the correct answer using the code given below:

  List I (Atmospheric layer)	List II (Special feature)
  A. Troposphere	1. Mother of pearls
  B. Stratosphere	2. Normal lapse rate
  C. Ionosphere	3. Aurora Borealis
  D. Mesosphere	4. Rise in temperature

  A)
  A-4                B-2      C-1       D-3 done clear
  B)
  A-3                B-4      C-1       D-2 done clear
  C)
  A-2                B-1      C-3       D-4 done clear
  D)
  A-1                B-3      C-4       D-2 done clear
  View Solution play_arrow

• question_answer6)
  Examine the following statements and select the correct answer using the code given below.

  1. Gases in hetero sphere are not evenly mixed

  2. Troposphere contains over 90% of the earth's water vapour

  3. Hydrogen is confined to lower layers of the atmosphere

  4. Temperature at troop pause is less at the equator than at the poles

  A)
   1, 2 and 3 only              done clear
  B)
   1, 2 and 4 only done clear
  C)
   2, 3 and 4 only              done clear
  D)
   1, 3 and 4 only done clear
  View Solution play_arrow

• question_answer7)
  Consider the following statements:

  1. Tropo pause extends to a height of 18 km at the equator and only 10 km at the poles.

  2. Ionosphere is useful for radio transmission.

  Which of the above statements is/are correct?
  A)
   1 only                          done clear
  B)
   2 only done clear
  C)
   Both 1 and 2     done clear
  D)
   Neither 1 nor 2 done clear
  View Solution play_arrow

• question_answer8)
  What is the exact sequence of atmospheric layers in ascending order from the surface of the earth?
  A)
   Troposphere, Stratosphere, Mesosphere, Ionosphere done clear
  B)
   Troposphere, Exosphere, Mesosphere, Stratosphere done clear
  C)
   Stratosphere, Mesosphere, Exosphere, Troposphere done clear
  D)
   Ionosphere, Troposphere, Mesosphere, Stratosphere done clear
  View Solution play_arrow

• question_answer9)
  Which of the following statements is/are correct?

  I. Water vapour in the atmosphere decreases with altitude.

  II. It increases from equator towards the poles.

  III. About 90% of atmospheric water vapour lies below 6 km.

  IV. It preserves earth's radiated heat.

  A)
   I, II, III             done clear
  B)
   I, III, IV done clear
  C)
   I, II, III, IV        done clear
  D)
   II, III, IV done clear
  View Solution play_arrow

• question_answer10)
  Consider the following statements about the atmosphere

  1. Chemically it is divided into homosphere and heterosphere.

  2. Molecular layer extends from 200 to 1100 km.

  3. Water vapour present in the air produces the optical phenomena of red and orange hues in the sky at sunrise and sunset which are known as dawn and dusk respectively.

  4. Thermosphere is divided into ionosphere and exosphere

  Which of the above statements are correct?
  A)
   2, 3 and 4 only              done clear
  B)
   1, 2 and 3 only done clear
  C)
   1, 3 and 4 only              done clear
  D)
   1, 2 and 4 only done clear
  View Solution play_arrow

• question_answer11)
  Consider the following statements:

  1. Ionosphere deflects long wave, medium wave and short wave radio waves and help in radio transmission.

  2. Ionosphere is the layer of convection currents

  Which of the above statements is/are correct?
  A)
   1 only      done clear
  B)
   2 only done clear
  C)
   Both 1 and 2                 done clear
  D)
   Neither 1 nor 2 done clear
  View Solution play_arrow

• question_answer12)

  Assertion (A): The thickness of the atmosphere is the maximum over the equator.

  Reason (R): High insulation and strong convection currents occur over the equator.

  A)
   Both A are R are individually true and R is the correct explanation of A done clear
  B)
   Both A and R are individually true but R is not the correct explanation of A done clear
  C)
   A is true but R is false done clear
  D)
   A is fast false but R is true done clear
  View Solution play_arrow

• question_answer13)
  Consider the following statements about a particular layer of the atmosphere.

  1. It contains about three-fourth of the total mass of the atmosphere.

  2. There is fall in temperature with increasing height.

  3. Its height is more at equator than at the poles. All the weather phenomena occur in this layer.

  Identify this layer
  A)
   Ionosphere        done clear
  B)
   Mesosphere done clear
  C)
   Stratosphere     done clear
  D)
   Troposphere done clear
  View Solution play_arrow

• question_answer14)
  Which of the following fact about dust particles in the atmosphere is/are correct?

  I. They act as hydroscopic nuclei around which water vapour condenses to produce cloud.

  II. They produce dawn and dusk.

  III. They have no role in the apparent colour of the sky.

  A)
   I and II        done clear
  B)
   II and III done clear
  C)
   I, II and III       done clear
  D)
   I and III done clear
  View Solution play_arrow

• question_answer15)
  Consider the following statements.

  1. The diffused light that occurs before sunrise is known as dawn.

  2. Light is scattered by the molecules of atmosphere gases.

  3. The duration of dawn and twilight varies with altitude.

  4. Lower sun angles produces longer dawn and twilight.

  Which of the above statements are correct?
  A)
   1 and 2 only     done clear
  B)
   2 and 3 only done clear
  C)
   3 and 4 only     done clear
  D)
   1, 2, 3 and 4 done clear
  View Solution play_arrow

• question_answer16)
  Which of the following is/are correctly matched?

  List I (Atmospheric layers)	List II (Characteristics)
  A. Troposphere	1. Normal lapse rate
  B. Stratosphere	2. Mother of pearls
  C. Ionosphere	3. Reflection of radio waves
  D. Exosphere	4. Very rare air

  A)
  A-1                B-2      C-3       D-4 done clear
  B)
  A-2                B-3      C-4       D-1 done clear
  C)
  A-3                B-4      C-1       D-2 done clear
  D)
  A-4                B-3     C-2       D-1 done clear
  View Solution play_arrow

• question_answer17)
  Match list I with list II and select the correct answer using the code given below.

  List I (Characteristics)	List II (Atmospheric layer)
  A. Fall in temperature with height	1. Ionosphere
  B. Reflects radio waves	2. Troposphere
  C. Contains ozone gas	3. Exosphere
  D. Increase in temperature with height	4. Stratosphere

  A)
  A-2                B-1      C-4       D-3 done clear
  B)
  A-1                B-3      C-2       D-4 done clear
  C)
  A-4                B-3      C-1       D-2 done clear
  D)
  A-3                B-4      C-2       D-1 done clear
  View Solution play_arrow

• question_answer18)
  Consider the following statements

  I. Increasing use of the chlorofluorocarbons has resulted in depletion of ozone layer in the atmosphere.

  II. The largest ozone hole is found on the Arctic Ocean

  A)
   Statements I and II are correct done clear
  B)
   Neither I nor II is correct done clear
  C)
   Only I is correct done clear
  D)
   Only II is correct done clear
  View Solution play_arrow

• question_answer19)
  Consider the following statements regarding homosphere and select the correct answer using codes given below:

  1. It extends from the earth's surface up to an altitude of 80-90 km.

  2. It has heterogeneous chemical composition.

  3. Kennedy- Heaviside layer is an important part of ionosphere.

  4. This part of the atmosphere is a function of revolutionary process in the atmosphere.

  A)
   Only 1 is correct done clear
  B)
   Only 1 and 2 are correct done clear
  C)
   Only 1, 2 and 3 are correct done clear
  D)
   1, 2, 3 and 4 are correct. done clear
  View Solution play_arrow

• question_answer20)
  The earth receives only two billionth part of the total solar radiation emitted by the sun. The probable causes are

  I. Large distance of the earth from the sun.

  II. Small size of the earth as compared to sun.

  III. Empty space between the sun and the earth.

  IV. The gaseous mass surrounding the earth.

  A)
   Statement I, II and III are correct. done clear
  B)
   Statement II, III and IV are correct. done clear
  C)
   Statement I and II are correct. done clear
  D)
   Statement III and IV are correct. done clear
  View Solution play_arrow

• question_answer21)
  Consider the following statements:

  1. Heat energy radiated by the sun into space is known as solar insolation.

  2. Slope of land does not have any effect on the amount of solar radiation received at a place.

  Which of the above statements is/are correct?
  A)
   1 only          done clear
  B)
   2 only done clear
  C)
   Both 1 and 2                 done clear
  D)
   Neither 1 nor 2 done clear
  View Solution play_arrow

• question_answer22)
  The ideal conditions for flying jet aircraft are provided by stratosphere because

  I. There are no clouds and other weather phenomenon.

  II. Uniform temperature increases engine efficiency.

  III. The presence of ozone gas increases fuel efficiency

  IV. Air resistance is at its maximum.

  Which statement is/are correct?
  A)
   Only I          done clear
  B)
   I and II done clear
  C)
   I, II and III       done clear
  D)
   I, II, III and IV done clear
  View Solution play_arrow

• question_answer23)
  Which factor does not affect the amount of solar radiation received at the surface of the earth?
  A)
   Inclination of sun's rays done clear
  B)
   Presence of clouds in the atmosphere done clear
  C)
   Duration of day done clear
  D)
   Rotation of the earth done clear
  View Solution play_arrow

• question_answer24)
  The earth's albedo means:
  A)
   Solar radiation absorbed by the earth's surface. done clear
  B)
   Solar radiation absorbed by the atmosphere. done clear
  C)
   Solar radiation reflected back by the earth's surface to the space. done clear
  D)
   Ratio between the total solar radiation falling upon a surface and amount reflected in percentage, done clear
  View Solution play_arrow

• question_answer25)
  Consider the following statements:

  1. The reflective quality of a surface, expressed in percentage of the total energy received known as its albedo.

  2. The albedo of water surface varies from 2 to 99 per cent depending on the angle of incidence of the sun's rays.

  3. Albedo of old snow is layer than that of the fresh snow.

  4. The overall albedo of clouds is larger than other surface.

  Which of the above statements is/are correct?
  A)
   1, 2 and 3 only done clear
  B)
   2, 3 and 4 only done clear
  C)
   1,2 and 4 only done clear
  D)
   1, 2, 3 and 4 done clear
  View Solution play_arrow

• question_answer26)
  Consider the following ecosystems:

  1. Taiga

  2. Tropical evergreen

  3. Tropical deciduous

  4. Tundra

  The correct sequence in decreasing order of the Albedo values of those ecosystems is;
  A)
   1, 4, 3, 2                      done clear
  B)
   4, 1, 3, 2 done clear
  C)
   4, 1, 2, 3      done clear
  D)
   1, 4, 2, 3 done clear
  View Solution play_arrow

• question_answer27)
  Consider the following statements:      

  I. Balance of heat received and emitted by the earth is called its heat budget.

  II. Less than half of the solar insulation received at the top of the atmosphere reaches the earth's surface.

  A)
   I is correct done clear
  B)
   II is correct done clear
  C)
   Both I and II are correct done clear
  D)
   Neither I nor II is correct done clear
  View Solution play_arrow

• question_answer28)
  Consider the following statements:

  I. Insulation is the heat energy and temperature is the measure of heat intensity.

  II. Insulation is measured in calories whereas temperature is expressed in degrees (\ [^ {o} C\]or\[^{o}F\]).

  III. Insolation is the effect and temperature is the cause.

  Find out the correct statements using the following code.
  A)
   I only                           done clear
  B)
   I and II only done clear
  C)
   I, II and III       done clear
  D)
   II and III only done clear
  View Solution play_arrow

• question_answer29)
  Match list I with list II and select the correct answer using the code given below

  List I	List II
  (Process)	(Definition)
  A. Absorption	1. The reflection quality of a surface
  B. Albedo	2. Solar radiation which is intercepted by the earth.
  C. Refraction	3. The bending effect that occurs when insolation enters the atmosphere
  D. Insolation	4. Assimilation and conversion of radiation from one form to another in a medium

  A)
  A-4                B-1      C-3       D-2 done clear
  B)
  A-2                B-3      C-1       D-4 done clear
  C)
  A-1                B-4      C-2       D-3 done clear
  D)
  A-3                B-2      C-4       D-1 done clear
  View Solution play_arrow

• question_answer30)
  The ozone deflection can cause:

  1. Skin cancer particularly to white skinned people.

  2. Crop damage

  3. Throat irritation and fatigue

  4. Injury to some aquatic life

  Find out the correct answer using code given below.
  A)
   1 and 2 only     done clear
  B)
   1, 2 and 3 only done clear
  C)
   1, 2, 3 and 4     done clear
  D)
   2, 3, 4 only done clear
  View Solution play_arrow

• question_answer31)
  Match the following

  A. Torrid zone	1. Between Tropic of Cancer and Tropic of Capricorn
  B. North Temperate Zone	2. Between Tropic of Capricorn and Antarctic Circle
  C. South Temperate Zone	3. Between Tropic of Cancer and Arctic Circle
  D. North Frigid Zone	4. Between Arctic Circle and North Pole

  A)
  A-1                B-2      C-3       D-4 done clear
  B)
  A-4                B-3      C-1       D-2 done clear
  C)
  A-1                B-3      C-2       D-4 done clear
  D)
  A-3                B-2      C-4       D-1 done clear
  View Solution play_arrow

• question_answer32)
  Between heights of 20 to 50 km in the stratosphere the temperature rises from about \[-{{55}^{o}}C\] to \[-{{0}^{o}}C\] because of:
  A)
   Large absorption of solar radiation by pure air. done clear
  B)
   Lack of vertical movement of air. done clear
  C)
   Presence of ozone gas. done clear
  D)
   Presence of minute particles. done clear
  View Solution play_arrow

• question_answer33)
  Match the following

  List I	List II
  A. Temperature falls	1. Ionosphere with height
  B. Reflects radio waves back	2. Stratosphere
  C. Contains most of Ozone	3. Troposphere
  D. Fall in temperature stops	4. Tropopause

  A)
  A-2                B-3      C-4       D-1 done clear
  B)
  A-1                B-2      C-3       D-4 done clear
  C)
  A-4                B-3      C-2       D-1 done clear
  D)
  A-3                B-1      C-2       D-4 done clear
  View Solution play_arrow

• question_answer34)
  In which region do we receive maximum solar radiation at the earth's surface?
  A)
   Tropical rainforests done clear
  B)
   Tropical hot deserts done clear
  C)
   Sub polar areas done clear
  D)
   Highlands of Central Asia done clear
  View Solution play_arrow

• question_answer35)
  Which of the following layers of the atmosphere and their characteristic is (are) correctly matched?

  List I (Atmospheric Layers)	List II (Characteristics)
  A. Troposphere	1. All weather phenomena
  B. Stratosphere	2. Presence of ozone layer
  C. Ionosphere	3. Electricity charged particles
  D. Mesosphere	4. Aurora Borealis

  A)
   A and B           done clear
  B)
   A, B and C done clear
  C)
   B, C and D      done clear
  D)
   A, B, C and D done clear
  View Solution play_arrow

• question_answer36)
  In which form of waves, solar radiation reaches the earth's surface and is reflected back by the earth's surface?
  A)
   Short waves and long waves done clear
  B)
   Short waves and short waves done clear
  C)
   Long waves and long waves done clear
  D)
   Long waves and short waves done clear
  View Solution play_arrow

• question_answer37)
  Inversion of temperature in the troposphere occurs when

  1. Nights are short

  2. Sky is covered with clouds

  3. Weather is stable

  4. Air is dry

  Which of the above factors are correct?
  A)
   1 and 2 only     done clear
  B)
   2 and 3 only done clear
  C)
   3 and 4 only     done clear
  D)
   1 and 4 only done clear
  View Solution play_arrow

• question_answer38)
  Which of the following are correctly matched?

  List I (Phenomena)	List II (Type of temperature inversion)
  I. Air moving from high area to low area along the valley floor	1. Air drainage inversion
  II. Intense cooling of earth's surface due to rapid radiation	2. Surface inversion
  III. Warm airs blows over cold air	3. Advectional inversion
  IV. Cold air mass pushes up the warm air mass	4. Frontal inversion

  A)
   I and II                         done clear
  B)
   I, II and III done clear
  C)
   I, II, III and IV   done clear
  D)
   II and IV done clear
  View Solution play_arrow

• question_answer39)
  Consider the following statements:          

  1. Regular fall of temperature with height in the troposphere is known as normal lapse rate.

  2. Rise in temperature with height is called inversion of temperature.

  Which of the above statements is/are correct? 
  A)
   1 only                          done clear
  B)
   2 only             done clear
  C)
   both 1 and 2     done clear
  D)
   Neither 1 nor 2   done clear
  View Solution play_arrow

• question_answer40)
    The highest diurnal range of temperature is recorded in which of the following regions?   
  A)
   Equatorial region            done clear
  B)
   Hot desert region done clear
  C)
   Monsoon region             done clear
  D)
   Mediterranean region done clear
  View Solution play_arrow

• question_answer41)
  In which of the following regions will you expect the highest annual range of temperature?
  A)
   Savanna region             done clear
  B)
   Equatorial region done clear
  C)
   Taiga region     done clear
  D)
   Monsoon region done clear
  View Solution play_arrow

• question_answer42)
  Consider the following statements:

  1. In the troposphere the temperature falls at the rate of \[{{10}^{o}}C\] per km altitude.

  2. Cloudy days and nights are cooler than dry days and nights

  Which of the above statements is/are correct? 
  A)
   1 only                          done clear
  B)
   2 only              done clear
  C)
   Neither 1 nor 2   done clear
  D)
   Both 1 and 2       done clear
  View Solution play_arrow

• question_answer43)
  Consider the following statements:            

  1. Days and nights are longest in June and December respectively in the northern hemisphere.

  2. Tropic of Cancer and Tropic of Capricorn represent the farthest northern and southern limits of the sun's vertical rays respectively.

  3. At the time of summer Solstice, Norway and Finland never get sunshine.

  4. At the time of winter solstice, the Antarctic continent is in complete darkness.

  Which of the above statements are correct?
  A)
   1 and 2 only    done clear
  B)
   2 and 3 only done clear
  C)
   3 and 4 only     done clear
  D)
   1, 2, 3 and 4 done clear
  View Solution play_arrow

• question_answer44)
  Examine the following statements and find out the correct answer using the following codes:

  1. Moscow in the Russian Federation has the highest annual range of temperature in the world.

  2. Singapore has one of the lowest annual ranges of temperature in the world.

  A)
   1 only                          done clear
  B)
   2 only done clear
  C)
   Both 1 and 2     done clear
  D)
   Neither 1 nor 2 done clear
  View Solution play_arrow

• question_answer45)
  Examine the following statements and select the correct answer using the codes given below:

  1. Interior parts of the continents experience higher annual range of temperature as compared to the coastal areas.

  2. Thermal equator remains at the equator throughout the year.

  3. Northern hemisphere experiences higher annual range of temperature than southern hemisphere.

  4. Some parts of equatorial Africa experience higher diurnal range of temperature than the annual range of temperature.

  A)
   1, 2 and 3 only              done clear
  B)
   2, 3 and 4 only done clear
  C)
  1, 3 and 4 only done clear
  D)
   1, 2 and 4 only done clear
  View Solution play_arrow

• question_answer46)
  Consider the following statements. Isotherms almost run parallel to the latitudes. In the northern hemisphere, the isotherms bend equator ward while crossing landmasses and pole ward while crossing the oceans. Which of the above statements is/are correct?
  A)
   1 only                          done clear
  B)
   2 only done clear
  C)
   Both I and 2     done clear
  D)
   Neither 1 nor 2 done clear
  View Solution play_arrow

• question_answer47)
  Atmospheric pressure depends on Temperature of the air.

  1. Altitude above sea level

  2. Moisture in the air

  3. Rotation of the earth

  4. Climatology 1.73

  A)
   1 and 2                        done clear
  B)
   1, 2 and 3 done clear
  C)
   1, 2, 3 and 4     done clear
  D)
   2, 3 and 4 done clear
  View Solution play_arrow

• question_answer48)
  Mark the correct order of pressure belts from equator to poles.
  A)
   Equatorial low, Sub-Polar low, Polar High, Sub-Tropical High done clear
  B)
   Sub-Tropical High, Polar High, Sub-Polar low, Equatorial low done clear
  C)
   Sub-Polar low, Polar High, Sub-Tropical High, Equatorial low done clear
  D)
   Equatorial low, Sub-Tropical High, Sub- Polar, Polar High done clear
  View Solution play_arrow

• question_answer49)
  Perpendicular rays from the sun are usually hotter than the oblique rays because:

  I. They have to travel through smaller thickness of the atmosphere.

  II. They have to heat lesser area on the earth's surface.

  A)
   Only 1 is correct done clear
  B)
   Only II is correct done clear
  C)
   Both I and II are correct done clear
  D)
   Neither I nor II is correct. done clear
  View Solution play_arrow

• question_answer50)
  Match the following

  List I	List II
  A. Doldrums	1. Equatorial
  B. Horse Latitudes	2. Polar High
  C. Frigid Zone	3. Sub-tropical high
  D. Torrid Zone	4. Tropics within Tropic of Cancer and Tropic of Capricorn

  A)
  A-1                B-2      C-3       D-4 done clear
  B)
  A-1                B-3      C-2       D-4 done clear
  C)
  A-2                B-3      C-1       D-4 done clear
  D)
  A-3                B-1      C-1       D-2 done clear
  View Solution play_arrow

• question_answer51)
  Equatorial low pressure belt is called' doldrums' because
  A)
   There is extremely low atmospheric pressure done clear
  B)
   It is an area of strong horizontal winds done clear
  C)
   There is no horizontal wind and only vertical currents are found done clear
  D)
   Humidity in the air is very high done clear
  View Solution play_arrow

• question_answer52)
  Which among the following factors are the causes of low atmospheric pressure in the equatorial regions?

  1. High temperature

  2. High water vapour content in the air

  3. Maximum centrifugal force on the equator

  4. Convergence of air from the subtropical high pressure belts

  A)
   1, 2 and 3 only   done clear
  B)
   2, 3 and 4 only done clear
  C)
   1, 3 and 4 only              done clear
  D)
   1, 2, 3 and 4 done clear
  View Solution play_arrow

• question_answer53)
  Which of the following statements is/are issues regarding the equatorial low pressure belt?

  1. There is very little flow of air

  2. The air continuously descends

  3. The Inter-tropical convergence Zone (ITZ) formed by the converging winds maintains its position at the equator throughout the year.

  4. The converging air is dry.

  A)
   1 and 4 only    done clear
  B)
   2 and 3 only done clear
  C)
   1 and 2 only     done clear
  D)
   3 and 4 only done clear
  View Solution play_arrow

• question_answer54)
  The combined effect of pressure gradient force and Coriolis Force on the air current is known as
  A)
   Frictional force               done clear
  B)
   Geostrophic force done clear
  C)
   Deflection force done clear
  D)
   Centripetal force done clear
  View Solution play_arrow

• question_answer55)
  Match list 1 with list II and select the correct answer using the following code.

  List I (Pressure cells)	List II (Avg Temperature/ moisture)
  A. Equatorial low pressure trough	1. Cold/dry
  B. Sub-Tropical high pressure cells	2. Cool/wet
  C. Sub-polar low pressure cells	3. Warm/dry
  D. Polar high pressure cells	4. Hot/wet

  A)
  A-1                B-2      C-3       D-4 done clear
  B)
  A-2                B-3      C-1       D-4 done clear
  C)
  A-4                B-3      C-2       D-1 done clear
  D)
  A-3                B-4      C-1       D-2 done clear
  View Solution play_arrow

• question_answer56)
  Consider the following statements regarding Jet streams

  1. They are also called Ross by waves.

  2. They are usually found near tropo pause.

  3. They travel from west to east in the northern hemisphere and from east to west in the southern hemisphere

  4. They travel at very high velocity

  5. They are usually sinuous in character

  Which of the above statements are correct?
  A)
   1, 2, 3 and 4 only          done clear
  B)
   1, 2, 3 and 5 only done clear
  C)
   1, 2 and 4 only              done clear
  D)
   1, 2, 4 and 5 only done clear
  View Solution play_arrow

• question_answer57)
  Which of the following is not correct with respect to Jet Streams?                     
  A)
   Jet streams are strong winds with normal speed of 100 to 300 km/hr done clear
  B)
   Discovery of the Jet Streams was made by American airplanes during the World War I done clear
  C)
   Jet streams shift pole wards during summer and equator wards during winter season. done clear
  D)
   Velocity of the Jet stream in winter is almost twice the velocity the summer. done clear
  View Solution play_arrow

• question_answer58)
  Which of the following is/are correctly matched?

  1. Doldrum	Equatorial low pressure belt
  2. Horse Latitudes	Sub-polar low pressure belt
  3.  Torrid zone	Sub-tropical high pressure belt

  A)
   1 only        done clear
  B)
   1 and 2 only done clear
  C)
   2 and 3 only                 done clear
  D)
   1, 2 and 3 done clear
  View Solution play_arrow

• question_answer59)
  Velocity of winds is governed by
  A)
   Atmospheric pressure done clear
  B)
   Atmospheric moisture done clear
  C)
   Pressure gradient done clear
  D)
   Insolation done clear
  View Solution play_arrow

• question_answer60)
  What causes high pressure in the sub-tropical zone?
  A)
   Low temperature done clear
  B)
   Divergence of air done clear
  C)
   Convergence of air done clear
  D)
   Descending of air done clear
  View Solution play_arrow

• question_answer61)
  Coriolis Effect is produced by
  A)
   Pressure distribution done clear
  B)
   Pressure gradient done clear
  C)
   Revolution of the earth done clear
  D)
   Rotation of the earth done clear
  View Solution play_arrow

• question_answer62)
                                                                Trade winds blow between
  A)
   Sub-tropical high and equatorial low done clear
  B)
   Equatorial low and sub-tropical high done clear
  C)
   Sub-tropical high and sub-polar low done clear
  D)
   Sub-polar low and sub-tropical high done clear
  View Solution play_arrow

• question_answer63)
  Which of the following statements are true regarding trade winds?

  1. They constantly blow from tropical high pressure belt to equatorial low pressure belt.

  2. They derive their name from the trade which was carried on with help of these winds in the medieval period.

  3. They bring lot of rainfall to the equatorial low pressure belt.

  4. They are deflected from their path due to the earth's rotation.

  A)
   1 and 2 only     done clear
  B)
   2 and 3 only done clear
  C)
   2 and 4 only                 done clear
  D)
   1 and 4 only done clear
  View Solution play_arrow

• question_answer64)
  Consider the following statements regarding ITCZ.

  I. It is a low pressure area near the equator.

  II. It is at the convergence of NE and SE trade winds.

  III. It shifts its position to the north of equator in the summer and to the south of equator in the winter season.

  A)
   I is true             done clear
  B)
   II, III are true done clear
  C)
   I, II, III are true              done clear
  D)
   I, III are true done clear
  View Solution play_arrow

• question_answer65)
  Farrel's law explains
  A)
   Pressure belts done clear
  B)
   Velocity of wind done clear
  C)
   Direction of winds done clear
  D)
   Deflection of winds done clear
  View Solution play_arrow

• question_answer66)
  Which of the following statements is not true regarding Westerly?s?
  A)
   They blow from sub-tropical high pressure belts to sub-polar low pressure belts. done clear
  B)
   They cause heavy rainfall on the eastern margins of the continents. done clear
  C)
   They are deflected due to the earth's rotation. done clear
  D)
   They are best developed between \[{{40}^{o}}\] and \[{{65}^{o}}\] south latitudes. done clear
  View Solution play_arrow

• question_answer67)
  Consider the following statements:

  1. Effectiveness of Coriolis force decreases from equator towards the poles

  2. Moist air is heavier than dry air.

  Which of the above statements is/are correct?
  A)
   1 only                          done clear
  B)
   2 only done clear
  C)
   Both 1 and 2                 done clear
  D)
   Neither 1 nor 2 done clear
  View Solution play_arrow

• question_answer68)
  With which of the following pressure belts the horse latitudes are associated?
  A)
   Equatorial low pressure done clear
  B)
   Sub-tropical high pressure done clear
  C)
   Sub-polar low pressure done clear
  D)
   Polar high pressure done clear
  View Solution play_arrow

• question_answer69)
  Which one of the following is considered as an interruption of the planetary wind system?
  A)
   Trade winds     done clear
  B)
   Western winds done clear
  C)
   Monsoon winds done clear
  D)
   Polar winds done clear
  View Solution play_arrow

• question_answer70)
  Which of the following are not periodic winds?
  A)
   Monsoon winds done clear
  B)
   Land and Sea Breezes done clear
  C)
   Mountain and valley Breezes done clear
  D)
   Trade winds done clear
  View Solution play_arrow

• question_answer71)
  The maximum velocity of the westerly?s is observed over
  A)
   Continents of the Northern Hemisphere done clear
  B)
   Oceans of the Northern Hemisphere done clear
  C)
   Continents of the Southern Hemisphere done clear
  D)
   Oceans of the Southern Hemisphere done clear
  View Solution play_arrow

• question_answer72)
  Consider the following statements about the 'Roaring Forties'

  1. They blow uninterrupted in the Northern and Southern Hemisphere.

  2. They blow with great strength and constancy.

  3. Their direction is generally from north- west to south-east in the southern hemisphere

  4. Overcast skies, rain and raw weather are generally associated with them.

  Which of the above statements are correct?
  A)
   1, 2 and 3 only              done clear
  B)
   2, 3 and 4 only done clear
  C)
   1, 3 and 4 only              done clear
  D)
   1, 2 and 4 only done clear
  View Solution play_arrow

• question_answer73)
  Westerlies in southern hemisphere are stronger and persistent than in northern hemisphere. Why?

  1. Southern hemisphere has less landmass as compared to northern hemisphere.

  2. Coriolis force is higher in southern hemisphere as compared to northern hemisphere.

  Which of the statements given above is/are correct?
  A)
   1 only        done clear
  B)
   2 only done clear
  C)
   Both 1 and 2                 done clear
  D)
   Neither 1 nor 2 done clear
  View Solution play_arrow

• question_answer74)
  Which one of the following weather conditions is indicated by a sudden fall in barometer reading?
  A)
   Stormy   done clear
  B)
   Cloudy and dry done clear
  C)
   Calm                            done clear
  D)
   Hot and sunny done clear
  View Solution play_arrow

• question_answer75)
  Sun's halo is produced by refraction of light in:
  A)
   Water vapour in stratus clouds done clear
  B)
   Ice crystals in cirrocumulus clouds done clear
  C)
   Ice crystals in cirrus clouds done clear
  D)
   Dust particles in stratus clouds done clear
  View Solution play_arrow

• question_answer76)
  Which of the following areas are not influenced by the monsoon winds?
  A)
   India and Pakistan done clear
  B)
   Bangladesh and Myanmar done clear
  C)
   Indonesia and Philippines done clear
  D)
   Brazil and Bolivia done clear
  View Solution play_arrow

• question_answer77)
  Which of the following pairs is/are not correctly matched?

  List I (Theory of monsoon winds)	List II (Scholar)
  1. Classical Theory	1. Edmund Hally
  2. Air Mass Theory	2. M.T. Yin
  3. Jet Stream Theory	3. H. Flohn

  A)
   1 only         done clear
  B)
   1 and 2 only done clear
  C)
   2 and 3only      done clear
  D)
   1, 2 and 3 done clear
  View Solution play_arrow

• question_answer78)
  For short-term climatic predictions, which one of the following events is associated with occasional weak monsoon rains in the Indian sub-continent?
  A)
   La Nina done clear
  B)
   Movement of Jet Stream done clear
  C)
   El Nino and Southern oscillations done clear
  D)
   Greenhouse effect on global level done clear
  View Solution play_arrow

• question_answer79)
  Which of the following is not the characteristic feature of the monsoon winds?
  A)
   There is complete reversal of direction of wind flow according to season. done clear
  B)
   Affects most parts of south-east Asia done clear
  C)
   Rainfall is seasonal done clear
  D)
   Not affected by El-Nino               done clear
  View Solution play_arrow

• question_answer80)
  La Nina is suspected to have caused recent floods in Australia. How is La Nina different from El Nino?

  1. La Nina is characterized by unusually cold ocean temperature in equatorial Indian Ocean whereas El Nino is characterized by unusually warm ocean temperature in the equatorial Pacific Ocean.

  2. El Nino has adverse effect on monsoon climate

  Which of the statements given above is/are correct?
  A)
   1 only                          done clear
  B)
   2 only done clear
  C)
   Both 1 and 2                 done clear
  D)
   Neither 1 nor 2 done clear
  View Solution play_arrow

• question_answer81)
  A new type of El Nino called El Nino Modoki has been noticed. In this context, consider the following statements:

  1. Normal El Nino forms in the Central Pacific Ocean whereas El Nino Modoki forms in Eastern Pacific ocean.

  2. Normal El Nino results in diminished hurricanes in the Atlantic Ocean but El Nino Modoki results in a greater number of hurricanes with greater frequency.

  Correct statements:
  A)
   1 only done clear
  B)
   2 only done clear
  C)
   both 1 and 2                 done clear
  D)
   Neither 1 nor 2 done clear
  View Solution play_arrow

• question_answer82)

  Assertion (A): Wind patterns are clockwise in the northern hemisphere and anti-clockwise in the southern hemisphere.

  Reason (R): The directions of wind pattern in the northern and the southern hemisphere are governed by the Coriolis Effect.

  A)
   Both A and R are true and R is the correct explanation of A done clear
  B)
   Both A and R are correct but R is not a correct explanation of A done clear
  C)
   A is true but R is false done clear
  D)
   A is false but R is true done clear
  View Solution play_arrow

• question_answer83)
  Consider the following statements regarding land and sea breezes and select the correct answer using the code given below:

  1. They are more pronounced in the tropical zone

  2. Sea breezes are more effective at night time

  3. The effect of land and sea breezes decreases with latitude

  4. Land breeze has smaller seaward penetration than the landward penetration of sea breeze.

  A)
   1, 2 and 3         done clear
  B)
   2, 3 and 4 done clear
  C)
   1, 2 and 4         done clear
  D)
   1, 3 and 4 done clear
  View Solution play_arrow

• question_answer84)
  Strong land and sea breezes can be observed in the:
  A)
   Mediterranean Sea done clear
  B)
   Baltic Sea done clear
  C)
    Bering Sea done clear
  D)
   Caribbean Sea done clear
  View Solution play_arrow

• question_answer85)
  Consider the following statements:

  1. Speed of the valley breeze is approximately proportional to the square root of the temperature differences between the top and bottom of the valley

  2. Mountain breezes generally cause inversion of temperature in the valley

  Which of the above statements is/are correct?
  A)
   1 only              done clear
  B)
   2 only done clear
  C)
   Both 1 and 2     done clear
  D)
   Neither 1 nor 2 done clear
  View Solution play_arrow

• question_answer86)
  Which of the following statements is not correct in connection with monsoon winds?
  A)
   Edmond Halley attributed the origin of monsoon winds to differential heating of land and sea. done clear
  B)
   Flohn considered monsoon as a modification of planetary winds of the tropics. done clear
  C)
   El Nino adversely affects the monsoon winds. done clear
  D)
   La Nina has no effect on the monsoon winds. done clear
  View Solution play_arrow

• question_answer87)
  Under which wind system does the direction of winds changes daily?
  A)
   Trade winds and monsoon winds. done clear
  B)
   Monsoon winds and land and sea breezes. done clear
  C)
   Land and sea breezes and mountain and valley breezes. done clear
  D)
   Mountain and valley breezes and trade winds. done clear
  View Solution play_arrow

• question_answer88)
  Monsoons are best developed in

  I. India

  II. China

  III. Japan

  IV. Bangladesh

  Code:
  A)
   Only I              done clear
  B)
   I and II only done clear
  C)
   I, II, III only                  done clear
  D)
   I, II, III, IV done clear
  View Solution play_arrow

• question_answer89)
  Which one of the following is not correctly matched?
  A)

  Local wind	Area
  Bora	Adriatic coast

  done clear
  B)

  Local wind	Area
  Mistral	Southern France

  done clear
  C)

  Local wind	Area
  Berg	Spain

  done clear
  D)

  Local wind	Area
  Khamsin	Egypt

  done clear
  View Solution play_arrow

• question_answer90)
  Which of the following winds relieves the people of Gulf of Guinea from oppressive hot and humid weather and is termed as 'doctor' by them?
  A)
   Harmattan       done clear
  B)
   Sirocco done clear
  C)
   Khamsin           done clear
  D)
   Brickfielder done clear
  View Solution play_arrow

• question_answer91)
  Which of the following are true characteristic of Chinooks?

  I. They blow down the eastern slopes of Rockies in U.S.A. and Canada after crossing these mountain ranges.

  II. They are known as snow eaters in the Great Plain of North America.

  III. They cause heavy destruction to crops and grasslands in the areas affected by them.

  A)
   Only I is true                 done clear
  B)
   I and II are true done clear
  C)
   I, II, III are true              done clear
  D)
   II and III are true done clear
  View Solution play_arrow

• question_answer92)
  Match the following

  List I	List II
  A. Foehn	1. Leeward side of the Alps
  B. Chinook	2. Rockies of North America
  C. Mistral	3. Rhone Valley
  D. Brickfielder	4. Australia

  A)
  A-2                B-1      C-4       D-3 done clear
  B)
  A-1                B-2      C-3       D-4 done clear
  C)
  A-3                B-4      C-1       D-2 done clear
  D)
  A-4                B-2      C-3       D-1 done clear
  View Solution play_arrow

• question_answer93)
  Match the following

  List I	List II
  (Local wind)	(Country/Region)
  A. Getii	1. Tarim Basin
  B. Kharaburan	2. Libya
  C. Harmettan	3.  Adriatic sea
  D. Bora	4.  Sahara

  A)
  A-2                B-1      C-4       D-3 done clear
  B)
  A-1                B-2      C-3       D-4 done clear
  C)
  A-3                B-4      C-1       D-2 done clear
  D)
  A-4                B-2      C-3       D-1 done clear
  View Solution play_arrow

• question_answer94)
  Match the following

  List I (Wind)	List II (Characteristics)
  A. Chinook	1. Snow eater
  B. Khamsin	2. Wind of fifty days
  C. Sirocco	3.  Cause 'blood rain' in Italy
  D. Harmattan	4. Known as doctor in  Guinea

  A)
  A-1                B-2      C-3       D-4 done clear
  B)
  A-4                B-3      C-2       D-1 done clear
  C)
  A-3                B-2      C-4       D-1 done clear
  D)
  A-2                B-4      C-1       D-3 done clear
  View Solution play_arrow

• question_answer95)
  Norwester is experienced in
  A)
   Australia and New Zealand done clear
  B)
   India and New Zealand done clear
  C)
   Brazil and Argentina done clear
  D)
   China and Japan done clear
  View Solution play_arrow

• question_answer96)
  Local wind blowing north of Adriatic coast region is known as
  A)
   Bora            done clear
  B)
   Blizzard done clear
  C)
   Brickfield          done clear
  D)
   Mistral done clear
  View Solution play_arrow

• question_answer97)
  Which one of the following pairs is not correctly matched?
  A)

  Local wind	Area
  Bora	Adriatic coast

  done clear
  B)

  Local wind	Area
  Mistral	Southern France

  done clear
  C)

  Local wind	Area
  Nevados	Spain

  done clear
  D)

  Local wind	Area
  Khamsin	Egypt

  done clear
  View Solution play_arrow

• question_answer98)
  Which one of the following is not correctly matched?
  A)

  Local wind	Area
  Maestro	Central Mediterranean region

  done clear
  B)

  Local wind	Area
  Pampero	Argentina and Uruguay

  done clear
  C)

  Local wind	Area
  Leveche	Spain

  done clear
  D)

  Local wind	Area
  Haboob	Saudi Arabia

  done clear
  View Solution play_arrow

• question_answer99)
  Match list I with list II and select the correct answer using the code given below:

  List I (Local wind)	List II (Region)
  A. Fohn	1. Argentina
  B. Sarmun	2. Kurdistan
  C. Santa Ana	3. California
  D. Zonda	4. Alps

  A)
  A-2                B-4      C-1       D-3 done clear
  B)
  A-4                B-2      C-3       D-1 done clear
  C)
  A-2                B-4      C-3       D-1 done clear
  D)
  A-4                B-2      C-1       D-3 done clear
  View Solution play_arrow

• question_answer100)
  Consider the following statements

  1. Wind speed is influenced by the topographical features.

  2. The effect of surface friction extends to a height of about 500m (1650 ft)

  3. Rougher surfaces produce more friction.

  4. Wind speed changes according to pressure gradient.

  Which of the above statements is/are correct?
  A)
   1 and 2only      done clear
  B)
   1, 2 and 3 only done clear
  C)
   1, 2, 3 and 4      done clear
  D)
   2, 3 and 4 only done clear
  View Solution play_arrow

• question_answer101)
  Which of the following statements is not correct?
  A)
   Chinook is a blessing to Great Plain of North America as it raises temperature swiftly and considerably. done clear
  B)
   Fohn blows over Alps of Poland. done clear
  C)
   Nevodos blows from Andean snow fields to high valleys of Ecuador. done clear
  D)
   Shamal is a dry dust laden wind blowing across the plains of Iraq in Tigris-Euphrates basin. done clear
  View Solution play_arrow

• question_answer102)
  Consider the following statements
  A)
   Evaporation depends upon temperature and dryness of the air. done clear
  B)
   Clouds favour evaporation and increase the amount of evaporation. done clear
  C)
   Maximum water vapour in the air is found over the equator. done clear
  D)
   Evaporation taking place from vegetation is known as transpiration. Which of the above statements as wrong? done clear
  View Solution play_arrow

• question_answer103)
  \[\frac{\text{Amount}\,\text{of}\,\text{water}\,\text{vapour}\,\text{actually}\,\text{present}\,\text{in}\,\text{the}\,\text{air}}{\text{Amount}\,\text{of}\,\text{water}\,\text{vapour}\,\text{required}\,\text{to}\,\text{saturate}\,\text{the}\,\text{air}}\text{ }\!\!\times\!\!\text{ 100}\] The above equation represents the
  A)
   Absolute Humidity done clear
  B)
   Specific Humidity done clear
  C)
   Relative Humidity done clear
  D)
   Optimum Humidity done clear
  View Solution play_arrow

• question_answer104)
  Relative humidity is the ratio of the
  A)
   Amount of water vapour actually present in the air at a particular temperature to the amount of water vapour required to saturate the same air at the same temperature. Climatology 1.79 done clear
  B)
   Amount of water vapour actually present in the air to the maximum water vapour which can be held in the same water at the same temperature. done clear
  C)
   Weight of moist air to that of dry air. done clear
  D)
   Volume of moisture to weight of moist air at the same temperature. done clear
  View Solution play_arrow

• question_answer105)
  Relative humidity can be increased by

  1. Increasing the moisture without increasing the temperature.

  2. Increasing the temperature without increasing the moisture.

  3. Decreasing the temperature without increasing the moisture.

  4. Decreasing the moisture without decreasing the temperature.

  A)
   1 and 2            done clear
  B)
   1 and 3 done clear
  C)
   2 and 3            done clear
  D)
   3 and 4 done clear
  View Solution play_arrow

• question_answer106)
  Consider the following statements:

  1. Absolute humidity is expressed in terms of grams of moisture per kilogram of air.

  2. Specific humidity is expressed as grams of moisture per cubic metric of air.

  3. Relative humidity has no unit and is expressed in terms of percentages.

  A)
   Only 1 is correct            done clear
  B)
   Only 2 is correct done clear
  C)
   Only 3 is correct done clear
  D)
   1, 2 and 3 are correct done clear
  View Solution play_arrow

• question_answer107)
  Consider the following statements  

  1. Absolute humidity is the total weight of moisture contained per volume of air at a defined temperature.

  2. Specific humidity is the mass of water vapour in grams contained in one kg of air.

  3. Relative humidity is the ratio of water vapour actually present in the air having definite volume and temperature to the maximum amount the air can hold.

  4. Humidity capacity is the moisture content of air measure in gm/cc.

  A)
   1 and 2 only     done clear
  B)
   2 and 3 only done clear
  C)
   1, 2 and 3 only              done clear
  D)
   1, 2, 3 and 4 done clear
  View Solution play_arrow

• question_answer108)
  Dew point is the temperature at which
  A)
   Condensation starts done clear
  B)
   Dew starts evaporating done clear
  C)
   Water starts freezing done clear
  D)
   Water vapours in the air are frozen done clear
  View Solution play_arrow

• question_answer109)
  Condensation starts when
  A)
   Temperature of the air falls below dew point. done clear
  B)
   Temperature of the air falls below freezing point. done clear
  C)
   Additional moisture is added to air. done clear
  D)
   Volume of air is increased without any addition of heat. Which of the above statements is wrong? done clear
  View Solution play_arrow

• question_answer110)
  Which of the following factors does not favour dew?
  A)
   Long nights done clear
  B)
   Calm air done clear
  C)
   Overcast sky done clear
  D)
   High relative humidity done clear
  View Solution play_arrow

• question_answer111)
  For formation of frost, there should be

  1. Clear sky

  2. Calm air

  3. Low relative humidity

  4. Temperature below freezing point

  A)
   1, 2 and 3         done clear
  B)
   1, 2 and 4 done clear
  C)
   2, 3 and 4         done clear
  D)
   1, 3 and 4 done clear
  View Solution play_arrow

• question_answer112)
  Consider the following statements:
  A)
   Fog is a sort of cloud with its base near or at the ground. done clear
  B)
   Fog is generally formed during winter nights. done clear
  C)
   It disappears after sun rise. done clear
  D)
   Fog contains more moisture than mist. Which of the above statements is wrong? done clear
  View Solution play_arrow

• question_answer113)
  Consider the following statements:

  I. Smog is a mixture of fog and smoke.

  II. It appears over urban and industrial areas.

  A)
   I is correct done clear
  B)
   I is correct                                     done clear
  C)
   I and II are correct done clear
  D)
   Neither I nor II is correct done clear
  View Solution play_arrow

• question_answer114)
  The cloud formed near the ground is known as
  A)
   Stratus                         done clear
  B)
   Altostratus done clear
  C)
   Cirrus        done clear
  D)
   Altocumulus done clear
  View Solution play_arrow

• question_answer115)
  Which type of clouds does not indicate fair weather?
  A)
   Cumulus           done clear
  B)
   Cumulonimbus done clear
  C)
   Cirrus                           done clear
  D)
   Altocumulus done clear
  View Solution play_arrow

• question_answer116)
  Match the following

  List I (Clouds)	List II (Possible weather changes)
  A. Altostratus	1. Impending rain or snow
  B. Cumulus	2. Fair weather
  C. Stratocumulus	3. Possibility of rain
  D. Cirrus	4. Showery weather

  A)
  A-1                B-2      C-3       D-4 done clear
  B)
  A-1                B-4      C-3       D-2 done clear
  C)
  A-2                B-3      C-4       D-1 done clear
  D)
  A-3                B-1      C-2       D-4 done clear
  View Solution play_arrow

• question_answer117)
  The term precipitation stands for:
  A)
    Conversion of water vapour into rain. done clear
  B)
   Conversion of water vapour into rain and snow. done clear
  C)
   Conversion of water vapour into rain, snow and fog. done clear
  D)
   Fall of water vapour on the ground in any form of liquid and solid. done clear
  View Solution play_arrow

• question_answer118)
  Identify the correct sequence of the given process regarding rainfall
  A)
   Unsaturated air, condensation, dew point, precipitation done clear
  B)
   Condensation, dew point, saturated air, precipitation done clear
  C)
   Unsaturated air, condensation, saturated air, dew point, precipitation done clear
  D)
   Unsaturated air, dew point, condensation, precipitation done clear
  View Solution play_arrow

• question_answer119)
  Consider the following statements

  1. Air is saturated when the relative humidity is 100 percent

  2. Air is saturated when dew point is reached

  3. Air is saturated when freezing point is reached

  Which of the above statements is/are correct?
  A)
   1 and 2 only     done clear
  B)
   2 and 3 only done clear
  C)
   1 and 3 only     done clear
  D)
   1,2 and 3 done clear
  View Solution play_arrow

• question_answer120)
  The term 'adiabatic change of temperature' stands for

  1. Heating or cooling of descending or ascending air respectively without any change in heat content.

  2. Rise in temperature of the air after injecting heat in the air.

  3. Fall in temperature of the air after heat is taken out of air.

  Which of the above statements is/are correct?
  A)
   1 only      done clear
  B)
   1 and 2 only done clear
  C)
   2 and 3 only     done clear
  D)
   1, 2 and 3 done clear
  View Solution play_arrow

• question_answer121)
  Which of the following is/are not the features of convectional rainfall?
  A)
   It occurs daily in the afternoon in the equatorial region done clear
  B)
   It is of a short duration and stops before sunset done clear
  C)
   It occurs in the form of heavy showers done clear
  D)
   It makes cirrostratus clouds. done clear
  View Solution play_arrow

• question_answer122)
  Which of the following is not the feature of orographic rainfall?
  A)
   It requires a mountain barrier across the wind direction. done clear
  B)
   Areas near the mountain slope receive the maximum rainfall. done clear
  C)
   Windward slope gets maximum rainfall while leeward slope gets minimum rainfall. done clear
  D)
   The windward slope is characterized by stratus clouds whereas leeward slopes are characterized by cumulus clouds. done clear
  View Solution play_arrow

• question_answer123)
  Consider the following pairs and find out the correct pair.

  List I	List II
  1. Vertical circulation of air	Orographic rainfall
  2. Mountain range coming in the way of moisture laden winds	Conventional rainfall
  3. Warm moist air mass riding over cold dry air mass	Cyclonic rainfall

  A)
   1                                 done clear
  B)
   1 and 2 done clear
  C)
   2                                 done clear
  D)
   3 done clear
  View Solution play_arrow

• question_answer124)
  Match the following:

  List I (Type of Rainfall)	List II (Area)
  A. Convectional rainfall	1. Western Europe
  B. Orographic rainfall	2. Western Ghats
  C. Cyclonic rainfall of Western Ghats	3. Areas to the east
  D. Rainshadow	4. Equatorial region

  A)
  A-1                B-2      C-3       D-4 done clear
  B)
  A-4                B-2      C-1       D-3 done clear
  C)
  A-2                B-3      C-1       D-4 done clear
  D)
  A-4                B-3      C-2       D-1 done clear
  View Solution play_arrow

• question_answer125)
  Cloudy nights are warmer compared to clear cloudless nights because clouds:
  A)
   Prevent cold waves from the sky from descending on earth. done clear
  B)
   Reflect back the heat given off by earth done clear
  C)
   Produce heat and radiate it towards earth done clear
  D)
   Absorb heat from the atmosphere and send it towards earth. done clear
  View Solution play_arrow

• question_answer126)

  Assertion (A): Areas near the equator receive rainfall throughout the year

  Reason (R): High temperature and high humidity cause convectional rain in most afternoons near the equator.

  In the context of the above statements, which one of the following is correct?
  A)
   Both A and R is true and R is the correct explanation of A done clear
  B)
   Both A and R is true but R is not the correct explanation of A done clear
  C)
   A is true but R is false done clear
  D)
   A is false but R is true done clear
  View Solution play_arrow

• question_answer127)
  Consider the following statements:

  1. In the middle latitudes, east coast regions receive more rainfall than their western counterparts.

  2. Windward slopes of the hills receive abundant rainfall but leeward slopes are almost dry.

  3. In the tropics, west coasts are wetter than east coasts.

  4. Precipitation is abundant in middle latitudes.

  Which of the above statements is/are correct?
  A)
   1 only              done clear
  B)
   2 only done clear
  C)
   1 and 2 only     done clear
  D)
   3 and 4 only done clear
  View Solution play_arrow

• question_answer128)
  Consider the following climatic and geographical phenomena.

  1. Condensation

  2. High temperature and humidity

  3. Orography

  4. Vertical wind

  Thunder cloud development is due to which of these phenomena?
  A)
   1 and 2                        done clear
  B)
   2, 3 and 4 done clear
  C)
   1, 3 and 4         done clear
  D)
   1, 2, 3 and 4 done clear
  View Solution play_arrow

• question_answer129)
  During a thunderstorm, the thunder in the sky in produced by

  1. Meeting of cumulonimbus clouds in the sky

  2. Lightning that separates the nimbus clouds

  3. Violent upward movement of air and water particles

  Select the correct answer using the codes given below
  A)
   1 only done clear
  B)
   2 and 3 done clear
  C)
   1 and 3 done clear
  D)
   None of the above produces the thunder done clear
  View Solution play_arrow

• question_answer130)
  Consider the following pairs

  1. Equatorial region	Rainfall throughout the year
  2. Monsoon region	Rainfall mainly in summer season
  3. Mediterranean region	Rainfall mainly in winter season

  Which of the above pairs is/are correctly matched?
  A)
   1 only                          done clear
  B)
   2 only done clear
  C)
   1 and 2 only     done clear
  D)
   1, 2 and 3 done clear
  View Solution play_arrow

• question_answer131)
  An air mass is
  A)
   Massive and thick done clear
  B)
   Has homogeneous temperature and humidity done clear
  C)
   Has specific source regions done clear
  D)
   Moves rapidly from the source region Which of the above statements is not correct? done clear
  View Solution play_arrow

• question_answer132)
  An air mass with temperature higher than the neighbouring air mass is known as

  (1) Stable air mass

  (2) Unstable air mass

  (3) Warm air mass

  (4) Cool air mass

  A)
   2 and 3       done clear
  B)
   1 and 2 done clear
  C)
   1 and 4                        done clear
  D)
   3 and 4 done clear
  View Solution play_arrow

• question_answer133)
  Match list I with list II and find out the correct answer using code given below.

  List I (Air mass)	List II (Property)
  A. Maritime Polar	1. Cool dry
  B. Continent Polar	2. Cool moist
  C. Maritime Tropical	3. Warm moist
  D. Continental Tropical	4. Warm dry

  A)
  A-4                B-3      C-1       D-2 done clear
  B)
  A-2                B-1      C-3       D-4 done clear
  C)
  A-3                B-4      C-2       D-1 done clear
  D)
  A-1                B-2      C-4       D-3 done clear
  View Solution play_arrow

• question_answer134)
  Consider the following statements

  1. Sloping boundary surface between contrasting air masses is called a front.

  2. A warm front pushes the cold front above and the cold front loses contact with the ground.

  Which of the above statements is/are correct?
  A)
   1 only     done clear
  B)
   2 only done clear
  C)
   Both 1 and 2                 done clear
  D)
   Neither 1 nor 2 done clear
  View Solution play_arrow

• question_answer135)
  Consider the following statements

  1. A given air mass has homogeneity of temperature and humidity.

  2. Air masses originate from particular regions known as source regions.

  3. Air masses are influenced by the weather of area visited by them.

  Which of the above statements is/are correct?
  A)
   1 and 2 only     done clear
  B)
   2 and 3 only done clear
  C)
   1 and 3 only     done clear
  D)
   1, 2 and 3 done clear
  View Solution play_arrow

• question_answer136)
  Consider the following statements concerning air masses.

  1. They originate from well-defined source regions and acquire their basic properties from these regions.

  2. The properties of air masses remain the same even if they move from one region to another region.

  Which of the above statements is/are correct?
  A)
   1 only            done clear
  B)
   2 only done clear
  C)
   Both 1 and 2                 done clear
  D)
   Neither 1 nor 2 done clear
  View Solution play_arrow

• question_answer137)
  Examine the following statements and select the correct answer using the codes given below:

  1. A front is formed when air masses with different characteristics meet each other.

  2. A front is a sharp boundary between two air masses.

  3. A front formed between polar and tropical air masses is known as polar front.

  A)
   1 and 2                        done clear
  B)
   2 and 3 done clear
  C)
   1 and 3            done clear
  D)
   1, 2 and 3 done clear
  View Solution play_arrow

• question_answer138)
  Consider the following statements:

  1. Cold front has a sleeper slope than warm front.

  2. Weather along a warm front changes more quickly than along cold front.

  Which of the above statements is/are correct?
  A)
   1 only       done clear
  B)
   2 only done clear
  C)
   Both 1 and 2                 done clear
  D)
   Neither 1 nor 2 done clear
  View Solution play_arrow

• question_answer139)
  Air masses of Siberia are
  A)
   Polar Maritime done clear
  B)
   Polar Continental done clear
  C)
   Tropical Maritime done clear
  D)
   Tropical Continental done clear
  View Solution play_arrow

• question_answer140)
  A cyclone is an area of
  A)
   Low pressure surrounded by high pressure on all sides. done clear
  B)
   High pressure surrounded by low pressure on all sides. done clear
  C)
   Subsidence of air. done clear
  D)
   Divergence of air. Which of the above statements is correct? done clear
  View Solution play_arrow

• question_answer141)
  The characteristics of a cyclone are

  I. Low pressure

  II. Convergent air

  III. Change in wind direction due to Coriolis force

  IV. Ascending air at the centre

  A)
   I and II             done clear
  B)
   I, II and III done clear
  C)
   I, II and IV       done clear
  D)
   I, II, III and IV done clear
  View Solution play_arrow

• question_answer142)
  Which of the following statements is not applicable to temperate cyclones?
  A)
   They originate in temperate lands. done clear
  B)
   Their origin is best explained by the Polar Front Theory of Bjerknes. done clear
  C)
   They are of smaller size than the tropical cyclones. done clear
  D)
   Their arrival is indicated by rise in temperature and fall in atmospheric pressure. done clear
  View Solution play_arrow

• question_answer143)
  Consider the following statements:

  1. A temperate cyclone is formed when a cold air mass meets a warm air mass.

  2. Before the arrival of the temperate cyclone, the sun looks paler and there is lunar halo.

  3. The arrival of a temperate cyclone is indicated by rise in temperature.

  Which of the above statements is/are correct?
  A)
   1 only                          done clear
  B)
   2 only done clear
  C)
   1 and 2 only     done clear
  D)
   1, 2 and 3 done clear
  View Solution play_arrow

• question_answer144)
  Which of the following areas is not visited by temperate cyclones?
  A)
   North Atlantic Ocean done clear
  B)
   North Pacific Ocean done clear
  C)
   Mediterranean Sea done clear
  D)
   Caribbean Sea done clear
  View Solution play_arrow

• question_answer145)
  Which of the following is not the characteristic feature of temperate cyclones?
  A)
   Fogginess and poor visibility done clear
  B)
   Unsettled weather done clear
  C)
   Movement from west to east done clear
  D)
   Torrential rainfall done clear
  View Solution play_arrow

• question_answer146)
  Consider the following statements:

  1. In a temperate cyclone, warm air sector is surrounded by cold air sector.

  2. A fully grown temperate cyclone is circular in slope.

  Which of the above statements is/are correct?
  A)
   1 only       done clear
  B)
   2 only done clear
  C)
   Both 1 and 2                 done clear
  D)
   Neither 1 nor 3 done clear
  View Solution play_arrow

• question_answer147)
  Examine the following statements and select the correct answer using the codes given below:

  1. Most of the tropical cyclones are circular in shape.

  2. Most of the tropical cyclones originate on the western margins of the oceans.

  3.  The release of latent heat helps in the rotation of tropical cyclone.

  4. The highest velocity of winds is observed in the eye of the cyclone'.

  A)
   1, 2 and 3 only   done clear
  B)
   2, 3 and 4 only done clear
  C)
   1, 2 and 4 only              done clear
  D)
   1, 2, 3 and 4 done clear
  View Solution play_arrow

• question_answer148)
  The tropical cyclones do not originate in the South Atlantic Ocean because:
  A)
   The summer temperature never exceeds \[{{25}^{o}}C\] between \[{{10}^{o}}\] and \[{{20}^{o}}S\] latitude. done clear
  B)
   The Coriolis Effect is weak. done clear
  C)
   There develops a high pressure area-on the western side of the South Atlantic. done clear
  D)
   The width of the ocean is not adequate enough for the development of cyclones. done clear
  View Solution play_arrow

• question_answer149)
  Which of the following conditions is not necessary for the formation of a tropical cyclone?
  A)
   Large sea surface with temperature more than \ [{{27}^{o}}C\]. done clear
  B)
   Pressure of coriol is force. done clear
  C)
   A pre-existing low pressure area. done clear
  D)
   Upper convergence above the sea level system. done clear
  View Solution play_arrow

• question_answer150)
  Which of the following are rightly matched?

  List I	List II
  A. Hurricanes	1.  Coast of Florida
  B. Typhoons	2.  Australia
  C. Willy-willies	3.  China
  D. Tornadoes	4.  U.S.A.

  A)
   1 and 2 only     done clear
  B)
   2 and 3 only done clear
  C)
   3 and 4 only     done clear
  D)
   1 and 4 only done clear
  View Solution play_arrow

• question_answer151)
  Willy is a:
  A)
   Type of tree grown in temperate regions. done clear
  B)
   Wind that blows in a desert. done clear
  C)
   Tropical cyclone of north-west Australia. done clear
  D)
   Kind of common fish found near Lakshadweep islands. done clear
  View Solution play_arrow

• question_answer152)
  Consider the following statements:

  1. Tropical cyclones which hit the Florida coast are known as hurricanes.

  2. Hurricanes cause large scale destruction in the area influenced by them.

  3. Hurricanes contribute to the precipitation of the respective area.

  4. Hurricanes flush out the pollutants from the water bodies.

  Which of the above statements are correct?
  A)
   1, 2 and 3 only              done clear
  B)
   2, 3 and 4 only done clear
  C)
   1, 2, 3 and 4     done clear
  D)
   1, 3 and 4 only done clear
  View Solution play_arrow

• question_answer153)
  Consider the following statements.

  1. A tornado is a strong wind system fanned around an intensely low pressure system.

  2. A tornado has a large diameter and is very destructive

  Which of the above statements is/are correct?
  A)
   1 only done clear
  B)
   2 only done clear
  C)
   Both 1 and 2                 done clear
  D)
   Neither 1 nor 2 done clear
  View Solution play_arrow

• question_answer154)
  Which of the following is true of an anticyclone in the northern hemisphere?
  A)
   High pressure area surrounded by low pressure area. done clear
  B)
   Circular movement of air from centre to peripherals. done clear
  C)
   Direction of air is anticyclone. done clear
  D)
   They are mainly formed over the continents. done clear
  View Solution play_arrow

• question_answer155)

  Assertion (A): Anti cyclonic conditions are found in winter season when atmospheric pressure is high and air temperatures are low.

  Reason (R): Winter rainfall in northern India causes development of anti-cyclonic conditions with low temperatures.

  A)
   Both A and R is true and R is the correct explanation of A done clear
  B)
   Both A and R is true but R is not a correct explanation of A done clear
  C)
   A is true but R is false. done clear
  D)
   A is false but R is true. done clear
  View Solution play_arrow

• question_answer156)
  Consider the following climatic conditions (northern hemisphere)

  Month	Temperature \[{{\mathbf{(}}^{\mathbf{o}}}\mathbf{C)}\]	Rainfall (cm)
  January	3.9	4.7
  February	4.4	5.7
  March	8.3	8.2
  April	14.4	9.2
  May	20.0	9.2
  June	23.3	17.7
  July	27.8	14:5
  August	27.8	14.0
  September	22.3	12.7
  October	18.3	7.0
  November	12.2	5.0
  December	6.7	3.5

  These are most likely to be found in the natural region of
  A)
   China type                    done clear
  B)
   equatorial type done clear
  C)
   Hot desert type done clear
  D)
   monsoon type done clear
  View Solution play_arrow

• question_answer157)
  Consider the following temperature and rainfall data  

  Month	Temperature \[{{(}^{\mathbf{o}}}\mathbf{C})\]	Rainfall (cm)
  January	6.7	14.0
  February	6.7	13.2
  March	7.2	11.4
  April	8.9	9.4
  May	11.1	8.1
  June	13.9	8.1
  July	15.0	9.6
  August	15.0	12.2
  September	13.9	10.4
  October	11.1	14.4
  November	8.9	14.0
  December	7.8	16.8

  The climate to which this data pertains is
  A)
   St Lawrence type done clear
  B)
   China type done clear
  C)
   West European type done clear
  D)
   Mediterranean type done clear
  View Solution play_arrow

• question_answer158)
  Consider the following statements:

  1. In equatorial regions the year is divided into four main seasons.

  2. In Mediterranean region, summers receive more rainfall.

  3. In China type climate, rainfall occurs throughout the year.

  4. Tropical highlands exhibit vertical zonation of different climates.

  Which of these statements are correct?
  A)
   1, 2, 3 and 4                 done clear
  B)
   1, 2 and 3only done clear
  C)
   1, 2 and 4 only              done clear
  D)
   3 and 4 only done clear
  View Solution play_arrow

• question_answer159)
  Consider the following statements:

  1. Koppen believed that vegetation of an area is the best expression of totality of a climate.

  2. Koppen's classification is based on the precipitation.

  Which of the above statements is/are correct?
  A)
   1 only           done clear
  B)
   2 only done clear
  C)
   Both 1 and 2                 done clear
  D)
   Neither 1 nor 2 done clear
  View Solution play_arrow

• question_answer160)
  Which one of the following set of capital letters was used by Koppen in his classification of world climates?
  A)
   A, B, C, D. E, F done clear
  B)
   A, B, C, E, H done clear
  C)
   A, B, C, E, H, W, T done clear
  D)
   A, B, C, D, E, H, S, W, T done clear
  View Solution play_arrow

• question_answer161)
  Consider the following statements

  1. In Koppen's classification of world climates, 'B' climate is based on precipitation while 'A' climate is based on rainfall.

  2. 'C' climate has temperature above \[{{18}^{o}}C\] throughout the year.

  Which of the above statements is/are correct?
  A)
   1 only            done clear
  B)
   2 only done clear
  C)
   Both 1 and 2                 done clear
  D)
   Neither 1 nor 2 done clear
  View Solution play_arrow

• question_answer162)
  In Koppen's classification of world climate, BSh stands for which type of climate?
  A)
   Tropical rainfall done clear
  B)
   Tropical monsoon done clear
  C)
   Tropical desert done clear
  D)
   Tropical steppe done clear
  View Solution play_arrow

• question_answer163)
  In Koppen's classification of world climate, tropical wet climate is represented by which of the following?
  A)
   Af     done clear
  B)
   Am done clear
  C)
   Aw                               done clear
  D)
   None of these done clear
  View Solution play_arrow

• question_answer164)
  Which one of the statements is not correct with respect to Koppen's classification of world climates?
  A)
   'B' climates are based on the amount of rainfall. done clear
  B)
   'A' climate has no month with temperature below \[{{18}^{o}}C\] done clear
  C)
   'E' climates have average temperature of the warmest month above \[{{10}^{o}}C\] done clear
  D)
   'BW' represents desert climate. done clear
  View Solution play_arrow

• question_answer165)
  Match the following pairs and find out the correct pairs using the code given below.

  List I	List II
  A. Af	1. Winter dry and very severe
  B. Aw	2. Dry hot summer, mild rainy winter
  C. Cs	3. Winter dry season
  D. Dw	4. No dry season

  A)
  A-4                B-2      C-1       D-3 done clear
  B)
  A-4                B-1      C-3       D-2 done clear
  C)
  A-1                B-2      C-3       D-4 done clear
  D)
  A-4                B-3      C-2       D-1 done clear
  View Solution play_arrow

• question_answer166)
  Match list I with list II and select the correct answer using the code given below:

  List I (Climate)	List II (Area)
  A. Dfc	1. Canada
  B. BWh	2. Sahara
  C. Af	3. Amazon Basin
  D. EF	4. Greenland

  A)
  A-1                B-2      C-3       D-4 done clear
  B)
  A-2                B-3      C-4       D-1 done clear
  C)
  A-4                B-2      C-1       D-3 done clear
  D)
  A-3                B-4      C-2       D-1 done clear
  View Solution play_arrow

• question_answer167)
  With reference to Koppen's classification of world climates, which of the following statements is not correct?
  A)
   Aw = Savanna done clear
  B)
   BW = Desert done clear
  C)
   Cs = Warm rainy with dry winter done clear
  D)
   Df= Cold climate with human winter and no dry season done clear
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• question_answer168)
  Consider the following statements:

  1. Thom thwart?s classification of climate attempts to define the climate boundaries quantitatively.

  2. Thom thwarts used precipitation and temperature to demarcate climate boundaries.

  Which of the above statements is/are correct?
  A)
   1 only done clear
  B)
   2 only done clear
  C)
   Both 1 and 2 done clear
  D)
   Neither 1 nor 2 done clear
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• question_answer169)
  Which one of the following is not correctly matched with reference to Thornthwaite classification of climates?
  A)
   Humidity zone A = Rainforest done clear
  B)
   Humidity zone B = Grassland done clear
  C)
   Humidity zone D = Steppe done clear
  D)
   Humidity zone E = Desert' done clear
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• question_answer170)
  Which one of the following is not correctly matched with reference to Thomthwaite's classification of climates?
  A)

  List I (Temperature Province)	List II (Climate)
  D'	1.  Taiga

  done clear
  B)

  List I (Temperature Province)	List II (Climate)
  F'	2.  Frost

  done clear
  C)

  List I (Temperature Province)	List II (Climate)
  E'	3. Tundra

  done clear
  D)

  List I (Temperature Province)	List II (Climate)
  B '	4. Tropical

  done clear
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• question_answer171)
  The seasonal reversal of winds is the typical characteristic of
  A)
   Equatorial climate done clear
  B)
   Mediterranean climate done clear
  C)
   Monsoon climate done clear
  D)
   All of the above climates done clear
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