UPSC PRELIMS 2020 SUCCESS PLAN

UPSC CSE PRELIMS 2020 STUDY PLAN – DAY 2

 

TOPICS TO BE COMPLETED TODAY

HEADING

upsc prelims 2020

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

 

VALUE ADDED NOTES  (SAMPLE)

mountains mindmap

Note: Register to IAS junior Mentorship Program for complete notes and unlimited quizzes (Click Here)

 

MOCK PRELIMS QUIZ ON TODAY’S TOPIC

Indian and World Geography Day 2 Quiz (Click Here)

Complete the Quiz to get the Solutions and Explanations

 

QUIZ QUESTIONS 

1. Phytoplankton are generally found in upper layers of ocean water due to

  1. Absence of nutrients in deep ocean water
  2. Sunlight abundance in top layers
  3. Calm top layers of water due to absence of mixing between top and bottom layers

Select the correct answer using the codes below.

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

 

2. Among the following, the state with the highest cropping intensity is?
  • a. Andhra Pradesh
  • b. Maharashtra
  • c. Madhya Pradesh
  • d. Tamil Nadu

 

3. Consider the following statements.

Assertion(A): Tropical cyclones are not formed at the equator.Reason (R): Coriolis force is absent at the equator.

In the context of the above, which of these is correct?

  • a. A is correct, and R is an appropriate explanation of A.
  • b. A is correct, but R is not an appropriate explanation of A.
  • c. A is correct, but R is incorrect.
  • d. Both A and R are incorrect.

 

4. In India, the day temperature is maximum in May and not after the summer solstice. This is due to

  1. Indian Ocean Dipole and La Nino
  2. Southwest monsoons occurring after Summer Solstice
  3. Passing of Western cyclonic disturbances

Select the correct answer using the codes below.

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

 

5. Which of the following characterize Boreal forests.

  1. It occurs at high altitudes.
  2. It contains a thin cover of acidic soil that is poor in nutrients.
  3. It contains coniferous forests of regions such as North America and Northern Europe.

Select the correct answer using the codes below.

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

 

6. Moderate and Milder climate in the Southern Hemisphere as compared to the Northern hemisphere, for the same latitude, can be explained by

  1. Continentality
  2. Photoperiodism

Select the correct answer from the code given

  • a. 1 onlycorrect
  • b. 2 only
  • c. Both 1 and 2
  • d. None

 

7. What is/are the difference(s) between extrusive and intrusive rocks?

  1. Extrusive rocks are formed from magma, whereas intrusive rocks are formed from lava.
  2. Extrusive rocks are fine grained, whereas intrusive rocks are coarse-grained.
  3. Extrusive rocks form over a much longer duration of time compared to intrusive rocks.

Select the correct answer using the codes below.

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

8. Generally, at the same latitude the insolation is more over the continent than over the oceans, because1.Oceans are cloudier

2.Continents have varied relief

Which of the above is/are correct?

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

 

9. Polymetallic nodules (manganese nodules) are rock concretions on the sea bottom formed of concentric layers of metal hydroxides around a core. It mainly contains

  1. Nickel
  2. Selenium
  3. Cobalt
  4. Bromium

Select the correct answer using the codes below.

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

 

10. Saltwater intrusion is a common problem in
  • a. Hilly areas
  • b. Coastal areas
  • c. Interior of Continents
  • d. Arid regions

 

11. Which of the following statements are true for rice cultivation:

  1. It requires clayey soil and standing water
  2. It is a Rabi crop and requires temperature less than 15 o centigrade.
  3. It is grown in areas with more than 100 cm rainfall.

Select the correct answer from the code given:

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

 

12. Which of the following is the most important reason of depletion of forest in North East India?
  • a. Overgrazing
  • b. Shifting agriculture
  • c. Mining activities
  • d. None of the above

 

13. Consider the following statements with respect to Natural gas

  1. Natural gas is a hydrocarbon mainly consisting Alkenes
  2. Shale gas is a natural gas produced from Shale

Select the correct answer using the codes given below

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

 

14. Consider the following

  1. Barren and Wastelands: The land which may be classified as a wasteland such as barren hilly terrains, desert lands, ravines, etc. normally cannot be brought under cultivation with the available technology.
  2. Culturable Waste-Land: Any land which is left fallow (uncultivated) for more than five years is included in this category. It can be brought under cultivation after improving it through reclamation practices.
  3. Current Fallow: This is the land which is left without cultivation for one or less than one agricultural year. Fallowing is a cultural practice adopted for giving the land rest. The land recoups the lost fertility through natural processes.

Which of the above are correct?

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

 

15. Which of the following crops is cultivated under dry-land farming?

  1. Ragi
  2. Jute
  3. Moong
  4. Rice
  5. Sugarcane

Select the correct answer from the code given:

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

 

16. Which one of the following minerals is known as brown diamond?
  • a. Iron
  • b. Manganese
  • c. Copper
  • d. Lignite

 

17. Consider the following regarding ‘Uranium’

  1. Uranium found in nature consists largely of two isotopes, U-235 and U-238.
  2. Natural uranium contains 0.7% of the U-238 isotope and the remaining 99.3% is mostly the U-235 isotope which does not contribute directly to the fission process.
  3. Enriched uranium is a type of uranium in which the percent composition of uranium-235 has been increased through the process of isotope separation.

Which of the given statement/s is/are NOT correct?

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

 

18. Which of the following are NOT Rabi crops?

  1. Cotton
  2. Gram
  3. Pea
  4. Mustard

Choose the correct answer using the codes below:

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

 

19. Consider the following statements about the retreating monsoon and subsequent periods 

  1. Monsoon retreats rapidly from Northern half of the peninsula and gradually from southern half.
  2. North Easterlies prevail over the country in winter.
  3. Some amount of rainfall occurs in Tamil Nadu coast in winter.

Select the correct answer from the code given:

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

 

20. Consider the following statements about the characteristics of Indian Monsoon.

  1. Monsoon season of India is associated with continuous rain fall without breaks.
  2. Monsoon causes flood as well as drought.
  3. Monsoon winds are pulsating and unstable in nature and direction.
  4. Tropical cyclones originate in Andaman Sea and causes heavy rain in eastern coast of India post retreat of monsoon.

Which of these is/are not correct?

  • a. 1 onlycorrect
  • b. 1 and 2 only
  • c. 4 only
  • d. 1 and 3 only

 

21. The streams within a Drainage basin form certain patterns, depending on the Slope of land, underlying rock structure as well as Climatic conditions of the area. Identify the wrong statements about Drainage patterns?

  1. The Dendritic pattern develops where the stream flow in different directions from a central peak or dome like structure.
  2. A river joined by its tributaries, at approximately right angles develop Trellis pattern.
  3. A Rectangular drainage pattern develops on a strongly jointed rocky terrain.
  4. The Radial pattern develops where the river channel follows the slope of the terrain.

Select the correct answer from the code given:

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

 

22. As one goes from Equator towards Poles air temperature generally decreases. What is/are the reason/reasons?

  1. Presence of strong winds in sub-tropical zone
  2. Due to curvature of earth, amount of solar energy received varies according to the latitude
  3. The influence of polar ice 4. Cold currents in polar region

Select the correct answer using the codes below:

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

23. Identify the type of vegetation with the following information?

  1. These forests are restricted to heavy rainfall areas of Island groups of Lakshadweep, Andaman and   Nicobar and Tamil Nadu
  2. The trees reach great height up to 60 metres or even above
  3. Some of the commercially important trees of this forest are Rosewood, Rubber and Cinchona

Select the correct answer

  • a. Tropical Evergreen Forest
  • b. Tropical Dry Deciduous Forest
  • c. Equatorial Forests
  • d. Tropical Moist Deciduous Forest

24. Indian sub-continent experiences comparatively milder winters as compared to Central Asia?  What is/are the reason/reasons?

  1. Latitudinal variation as compared to Central Asia
  2. Influence of Tibetan plateau
  3. Presence of Himalayas

Select the correct answer from the code given:

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

 

25. Which of the statements is/are NOT correct?

  1. The width of the Himalayas increases from west to east.
  2. The Inner Himalayas is the southernmost range of the Himalayas.
  3. Mt. Everest (8848 mt.) is the highest peak of Himalayas in India.
  4.  Pir Panjal, Dhauladhar and Mahabharat range lies in Greater Himalayas
  • a. 1, 2 and 4 only
  • b. 2, 3 and 4 only
  • c. All the above
  • d. 1, 2 and 3 only

 

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