Basic Science - Geography (Atmosphere) MCQ's




All Questions are from Year - 2018 or older

Question 61 :
Which of the following are true with regard to temperature control of the atmosphere of a given place? 1. The major temperature contrasts on earth's surface are between land masses and oceans 2. During night, the water surface cools more rapidly than the land surface 3. Temperature generally decreases with latitude on either side of the equator 4. 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 62 :
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? [IAS 2007]

  1. 1 only
  2. 2 and 3 only
  3. 1 and 3 only
  4. 1, 2 and 3
  

Question 63 :
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 64 :
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 65 :
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 66 :
Consider the following statements 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. - Which of these statements are correct? [CDS 2002]

  1. 1, 3 and 4
  2. 2, 3 and 4
  3. 1, 2 and 4
  4. 1, 2 and 3
  

Question 67 :
Consider the following statements: 1. Tropical cyclones have circular isobars. 2. Tropical cyclones originate· entirely within tropical air mass. 3. The intensity and magnitude of hurricanes generally exceed those of typhoons. 4. Tropical cyclones are more destructive than the western disturbances. Select the correct answer by using the following codes: [CDS 2001]

  1. 1, 2 and 4
  2. 1 only
  3. 2 and 3
  4. 3 and 4
  

Question 68 :
In the northern hemisphere, currents are deflected to their right due to :

  1. centrifugal force
  2. coriolis force
  3. cyclonic storms
  4. none of these
  

Question 69 :
Smog is likely to occur: [CDS 2002]

  1. around valleys
  2. near lakes
  3. on calm, clear and cool nights
  4. near the industrial areas
  

Question 70 :
The instrument used for measuring relative humidity in air is :

  1. hygrograph
  2. hydrograph
  3. pantograph
  4. barograph
  

Question 71 :
The clouds extending from one side of horizon to other as 3 dark grey sheet having uniform base are called: [IAS 2004]

  1. Stratus clouds
  2. Cumulus clouds
  3. Cirrus clouds
  4. Nimbus clouds
  

Question 72 :
Fogs formed along, the sea-coast are due to:

  1. advection
  2. radiaton
  3. convection
  4. conduction
  

Question 73 :
Which one of the following islands receives convectional rainfall ?

  1. Cyprus
  2. Sumatra
  3. Cuba
  4. Greenland
  

Question 74 :
What do you understand by the term ‘Advection’ ?

  1. Heat is transferred horizontally by winds
  2. Heat is transferred horizontally by both winds and ocean currents
  3. Heat is transferred vertically through the air
  4. Heat is transferred horizontally through ocean currents
  

Question 75 :
When a descending air contracts and its volume decreases, what happens to its temperature? [IAS 2009]

  1. Its temperature decreases
  2. Its temperature increases
  3. Its temperature remains constant
  4. Its temperature first increases, then decreases
  

Question 76 :
The hot dry local winds that blow on the eastern side of the Alps Mountain are known as: [NDA 2003]

  1. Chinook
  2. Foehn
  3. Khamsin
  4. Sirocco
  

Question 77 :
Northern part of Australia is typified by which one of the following? [IAS 2007]

  1. Equatorial climate
  2. Mediterranean climate
  3. Temperate climate
  4. Monsoon climate
  

Question 78 :
The type of rainfall shown in figure is:

  1. orographic
  2. convectional
  3. cyclonic
  4. relief
  

Question 79 :
Consider the following statements regarding the distribution and pattern of isotherms 1. In the northern hemisphere, isotherms bend sharply equator-ward over the continents during winter. 2. Temperature gradients are greater in summer than in winter in the northern hemisphere. Which of the statement(s) given above is/are correct? [IAS 2009]

  1. 1 only
  2. 2 only
  3. Both 1 and 2
  4. Neither 1 nor 2
  

Question 80 :
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: [NDA 2011]

  1. 1 only
  2. 2 only
  3. Both 1 and 2
  4. Neither 1 nor 2
  

Question 81 :
Which one or the following climates is found in coastal areas of Californian North America, Central Chile in South America and South-West tip of West Australia? [IAS 2007]

  1. Tropical savanna
  2. Mediterranean
  3. Humid Continental
  4. Low-latitude steppe
  

Question 82 :
Agents of fog formation do not include:

  1. high relative humidity
  2. diurnal temperatures of short ranges
  3. winter season
  4. rapid radiation
  

Question 83 :
The layer of the atmosphere which provides ideal conditions for flying on et aeroplanes is :

  1. troposphere
  2. stratosphere
  3. ionosphere
  4. exosphere
  

Question 84 :
Which of the following are the ideal conditions for the phenomenon of temperature inversion to occur? [IAS 2001] 1. Long nights 2. Cloudy sky 3. Calm and stable air 4. Dry air

  1. I and II
  2. I, II and III
  3. II, III and IV
  4. I, III and IV
  

Question 85 :
Which of the following statements is wrong?

  1. Roughly circular isobar system with a high pressure at the centre represents an anticyclone
  2. Roughly circular isobar system with a low pressure at the centre represents a cyclone
  3. Roughly V-sheped isobar system with a low pressure at the centre represents a trough
  4. Roughly V-shaped isobar system with a low pressure at the centre represents a wedge
  

Question 86 :
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 87 :
The hot and dry winds that help in the ripening of grapes in the Alps region is :

  1. Chi nook
  2. Foehn
  3. Mistral
  4. Roaring Forties
  

Question 88 :
Very strong and cold icy winds that blow in the Polar regions are called: [CPO SI 2003]

  1. typhoons
  2. tornadoes
  3. blizzards
  4. polar winds
  

Question 89 :
Consider the following statements: 1. Troposphere varies in its thickness between equator and poles. 2. Stratosphere does not experience Normal Lapse Rate. 3. Ozone layer occurs in the Mesophere. 4. Ionosphere lies between Stratosphere and Mesosphere Which of these statements are correct? [NDA 2003]

  1. 1 and 2
  2. 2 and 3
  3. 3 and 4
  4. 1, 2 and 4
  

Question 90 :
Any type of rainfall has the following aspects:

  1. ascent and descent of air
  2. horizontal movement of air
  3. ascent of air leading to cooling and condensation
  4. all of above
  
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