ias prelims 2020

UPSC PRELIMS 2020 STUDY PLAN  (Click Here For Full Timetable)




black soil

laterite soil

alluvial soil

red soil

types of soils


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India and World Geography Day 5 Quiz (Click Here)

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1. Which of the following have the greater ability to absorb heat in the Earth’s atmosphere and assist in Global Warming?

  1. Sulphur Hexafluoride
  2. Carbon Monoxide
  3. Water Vapour
  4. Soot

Select the correct answer using the code

  • a. 1, 2, 3 and 4
  • b. 1, 3 and 4
  • c. 2 and 3
  • d. 1 and 2


2. Which one of the following statements defines a ‘Conurbation’?
  • a. It is a transition settlement with both urban and rural characteristic.
  • b. When two or more cities grow in such a way that their boundary becomes indistinguishable, but behave as separate administrative units.
  • c. An urban area developed around an Industry.
  • d. A city including its fringe towns and villages.


3. Which one of the following statements is correct about ‘Primate City’?
  • a. These are the cities which attracts talent and skilled labour from the nearby areas causing a brain drain there.
  • b. This is the name given to satellite towns.
  • c. It is the leading city of the country which is disproportionately larger than the other cities.
  • d. It is the name given to a city which has just converted into urban area from a village.


4. Desert is mainly located in the tropical West margins of the continents. What is/are the possible reason/s?

  1. Existence of the perennial high pressure over this region.
  2. Prevailing On-shore winds throughout the year.
  3. Cold currents on the continental west margins add to the atmospheric stability of the region.

Choose the correct code from the following .

  • a. 1 only
  • b. 1, 2 only
  • c. 1, 3 only
  • d. 2, 3 only


5. Which of the statements are true regarding Equatorial climatic conditions?

  1. It is known as latitudinal climate.
  2. Low range of temperature is mainly due to the equatorial air mass.
  3. There is no seasonality in this region or there are no distinguished seasons unlike other climatic regions.

Which among the following statement/s is/are true?

  • a. 3 only
  • b. 2, 3 only
  • c. 1, 2 only
  • d. All the above


6. Consider the following with respect to salinity of ocean water

  1. Rate of precipitation
  2. Wind
  3. Ocean currents
  4. Sunlight
  5. Inflow of river water
  6. Freezing and thawing of ice in polar regions

Which of the following options are responsible to determine salinity of ocean water?

  • a. 1,2,3,5 and 6
  • b. 1,3,4,5, and 6
  • c. 3, 5 and 6
  • d. 1,2,3,4,5,6


7. What is true about ITC (Inter tropical convergence) Zone?
  • a. It is a high pressure belt
  • b. It is also known as horse latitudes
  • c. It is the zone of convergence of trade winds.correct
  • d. It is the zone of convergence of westerlies.


8. Consider the following statements regarding this type of delta.

  1. It is formed when river water is denser than sea water.
  2. It is formed when river water is as dense as sea water.
  3. It is known as growing delta.

Choose the correct statement/s from the following codes.

  • a. 1 only
  • b. 2 only
  • c. 1, 3 only
  • d. 2, 3 only


9. Which among the following options contains least percentage of water on earth surface?
  • a. Lakes
  • b. Soil moisture
  • c. Biosphere
  • d. Atmosphere


10. Which of the following clouds are found at the highest altitude?
  • a. Nimbus
  • b. Cumulus
  • c. Stratus
  • d. Cirrus


11. Consider the following statements

  1. Greenwich meridian and International Date line are the same meridians.
  2. A traveller going eastwards from Greenwich gains time.
  3. A traveller crossing the date line from east to west loses a day.

Which of the above statements are incorrect?

  • a. All of the above
  • b. 2 and 3
  • c. 1 only
  • d. None of the above


12. Consider the following statements regarding the solar system

  1. The solar system consists of sun and eight planets only.
  2. All plants in the solar system revolve around the sun in anticlockwise fashion.
  3. Mars is called the earth’s twin because of its proximity in size, mass and density to earth.
  4. Pluto is the outermost planet of the solar system.

Which of the above statements are incorrect?

  • a. None of the above
  • b. 1 and 3
  • c. 1,2 and 4
  • d. All of the above.


13. Which of the following statements is/are true?

  1. The angle between force and displacement in negative work is 180°
  2. Water stored in a dam possesses both kinetic and potential energy
  3. The weight of an object is maximum at the centre of the Earth

Select the correct code

  • a. 1 and 2
  • b. 1 and 3
  • c. 3 only
  • d. 1 only


14. Select the incorrect option
  • a. Heat wave- temperatures greater than 4.5 degree C above usual temperatures for the region.
  • b. Severe heat wave- temperatures greater than or equal to 47 degree C
  • c. Cold wave- temperatures less than 4.5 degree C above usual temperatures for the region.
  • d. Severe cold wave- maximum temperature is 2 degree C or lower.


15. Which of the following are the prerequisite conditions for the formation of Karst Topography?

  1. Heavy rainfall
  2. Highly porous limestone bed
  3. Highly jointed limestone bed
  4. Large area and thickness of limestone

Select the correct option from the following

  • a. 1 and 2
  • b. 1,2 and 4
  • c. 1,3 and 4
  • d. 3 and 4


16. Which of the geological feature is also known as ‘basket of eggs’ topography?
  • a. Eskers
  • b. Arête
  • c. Cirque
  • d. Drumlins


17. Consider the following statements regarding the old age river channel

  1. Deposition is the dominant process
  2. A layer of sediment is deposited during each flood, gradually building a fertile plain
  3. The flow of water is very quick as it meets the sea
  4. Due to deposition small river islands are formed and the channel gets braided

Which of the above statements are correct about the old age river channel?

  • a. All of the above
  • b. 1,3 and 4
  • c. 1,2 and 3
  • d. 1,2 and 4


18. Which of the following features are not associated with river water capturing or river piracy?
  • a. Wind gap
  • b. Elbow
  • c. Canyon
  • d. Misfit


19. Consider the following

  1. North Korea
  2. Japan
  3. Timor Islands

Which of the following country/’s surrounded by Yellow sea?

  • a. 1 only
  • b. 1 and 2 only
  • c. 3 only
  • d. None of the above


20. What does river regime of a river indicates
  • a. Variability of discharge of river throughout the year
  • b. The stretch of river which is highly prone for flooding
  • c. The total area drained by a river and its tributaries.
  • d. The hydroelectricity potential of a river


21. The ability of river to move various grades of materials is dependent of which of the following factors

  1. Salinity of the water
  2. Volume of water
  3. Velocity of river water
  4. Shape, size and weight of the load

Select the correct code from the following

  • a. All of the above
  • b. 2,3 and 4
  • c. 1,2 and 3
  • d. 1,3 and 4


22. Which of the following conditions stands true for all deserts?

  1. The potential evapotranspiration is higher than the net precipitation received.
  2. The temperatures are extremely high during the day.
  3. The vegetation found in deserts is called xerophytic vegetation and it had adapted to survive in scarce water condition.
  4. Aeolian erosion is dominant in these areas.

Select the correct code from the following

  • a. All of the above
  • b. 1,2 and 3
  • c. 1,3 and 4
  • d. 2,3 and 4


23. An artesian well is an aquifer containing ground water under positive pressure. Which of the following statement is incorrect about an artesian well?
  • a. Once a well is dug, the water comes out due to its own pressure. An external pump is not required.
  • b. The artesian basin lies below the water table.
  • c. The aquifer lies between two impermeable layers of rock.
  • d. Once exhausted, artesian wells cannot be recharged.


24. Westerlies in southern hemisphere are stronger than in northern hemisphere. Reasons are

  1. Coriolis force is higher in southern hemisphere due to less interruption by landmass
  2. Continentiality effect is less in southern hemisphere

Chose the correct statements

  • a. Only 1
  • b. Only 2
  • c. Both 1 and 2
  • d. None


25. Consider the following climate systems

  1. Wet Evergreen
  2. Polar Arctic
  3. Cool Temperate Continental
  4. Hot Desert

Pick the correct sequence in decreasing order of Albedo Effect

  • a. 1,2,3,4
  • b. 2,1,3,4
  • c. 2,3,1,4
  • d. 1,3,2,4


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