UPSC PRELIMS 2020 SUCCESS PLAN

UPSC CSE PRELIMS 2020 STUDY PLAN – DAY 3

TOPICS TO BE COMPLETED TODAY

HEADING

upsc prelims 2020

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

 

VALUE ADDED NOTES  (SAMPLE)

Atmosphere mindmap

 

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

 

MOCK PRELIMS QUIZ ON TODAY’S TOPIC

India and World Geography Day 3 Quiz (Click Here)

Complete the Quiz to get the Solutions and Explanations

 

QUIZ QUESTIONS 

1. Consider the following statements:

  1. Neutrinos help us detect early geological defects deep within the earth that can provide early earthquake warnings
  2. They can help in detecting mineral and oil deposits deep in the earth.
  3. INO project primarily aims to study atmospheric neutrinos in Mumbai.

Which of the statements given above are correct?

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

 

2. Consider the following statements.

  1. They are consecutive series of alluvial fans forming along the edge of a linear mountain range.
  2. They usually occur in arid climates.

The above statement/s refer/s to?

  • a. Bajada
  • b. Loess
  • c. Sial
  • d. Ex-bow fans

 

3. Evidence of multiple advances and retreats of glaciers, and the sediment deposits in glacial lakes reveal

  1. The occurrence of warm and cold periods in the history of earth
  2. Repeated attacks of permafrost on the glacial moraines over centuries

Which of the above is/are correct?

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

 

4. Consider the following statements.

  1. Sunspots are temporary phenomena on the photosphere of the Sun.
  2. They appear visibly as bright spots compared to surrounding regions.
  3. They may affect the climate on earth by changing the solar output received by earth.

Select the correct answer using the codes below.

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

 

5. Why is sedimentation harmful for reservoirs?

  1. It results in rockier stream beds.
  2. A lot of sedimentation may cause local flooding.
  3. It adversely affects the reservoir bed habitats for the aquatic life.

Select the correct answer using the codes below.

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

 

6. Tillage is the agricultural preparation of the soil by mechanical agitation of various types, such as digging, stirring and overturning. What are the benefits of practicing conservation tillage on a farm?

  1. Less soil erosion
  2. Fewer trips across the field, thereby saving fuel and machinery costs
  3. Less groundwater contamination by pesticides

Select the correct code:

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

7. Climate is an important geographical phenomenon which determines many things like vegetation, fauna and comfort of living. Consider the following statements in this regard and pick out the incorrect ones:

  1. Weather refers to the sum total of weather conditions and variations over a large area for a long period of time.
  1. Climate refers to the state of the atmosphere over an area at any point of time.

Select the correct answer

  • a. 1 only
  • b. 2 only
  • c. Both 1 and 2
  • d. Neither 1 nor 2

 

8. The Cold Weather Season begins from mid November in Northern India and stays till February. Consider the following statements about Cold Weather Season?

  1. During this season, the Northeast Trade winds prevail over the country which blow from sea to land and hence, for most part of the country, it is a dry season
  2. 2.A characteristic feature of the Cold Weather Season over the Northern Plains is the inflow of cyclonic disturbances from the west and the northwest
  3. The Peninsular region does not have a well defined cold season

Select the correct answer from the code given below:

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

 

9. Monsoon is traditionally defined as a seasonal reversing wind accompanied by corresponding changes in precipitation. Consider the following in the context of Monsoon.

  1. Easterly Jet stream.
  2. Westerly Jet stream
  3. The Tibetan Plateau.
  4. Inter Tropical Convergence Zone.

Which of the above are the major factors affecting the mechanism of Monsoon?

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

 

10. Which of the following facts are important to understand the mechanism of the Indian monsoons:

  1. Equatorial trough to be normally positioned about 50N of the equator.
  2. Presence of the high pressure area east of Madagascar, approximately at 200N over the Indian  Ocean.
  3. Presence of the tropical easterly jet stream to the north of the Himalayas.

Select the correct answer

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

 

11. Monsoon is that axis around which revolves the entire agricultural cycle of India. Consider the following statements in this regard and choose the incorrect one/s.

  1. Rainfall received from south west monsoon is seasonal in character.
  2. Monsoonal rainfall is largely governed by relief and topography.
  3. Regional variations in monsoon climate help in growing various types of crops.

Select the correct answer

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

 

12. The term Drought is applied to an extended period when there is a shortage of water availability due to inadequate precipitation, excessive rate of evaporation and over-utilization of water from the reservoirs and other storages, including the ground water. Consider the following statements about different types of droughts and choose the incorrect ones.

  1. Meterological drought is a situation of a prolonged period of inadequate rainfall marked with uneven distribution of the same over time and space.
  1. If an area has more than 50 percent of its gross cropped area under irrigation, the area is excluded from the drought prone category.
  2. When the productivity of a natural ecosystem falls due to shortage of water, it is called Hydrological drought.

Select the correct answer

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

 

13. In Mountainous areas, the decrease in temperature with increasing altitude leads to a corresponding change in natural vegetation. Consider the following statements about these forest types and choose the incorrect ones.

  1. Wet temperate forests are found between an altitudes of 1000-2000 mt in the Himalayas.
  2. Deodar, a highly valued endemic species grows mainly in the eastern part of Himalayas.
  3. The temperate forests of Himalayas are called Sholas.

Select the correct answer

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

 

14. Monsoon is a familiar though a little known climatic phenomenon. Despite the observations spread over centuries, the monsoon continues to puzzle the scientists. Which of the following statement/s is/are correct about Onset of Monsoon?1.The differential heating of land and sea during the summer months is the mechanism which sets the  stage for the monsoon winds to drift towards the subcontinent.

2.The shift in the position of the ITCZ is related to the phenomenon of the withdrawal of the Westerly jet stream from its position over the North Indian plain, south of the Himalayas.

3.The Westerly jet streams is held responsible for the burst of the monsoon in India.

Select the correct answer

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

 

15. Tropical cyclones are intense low-pressure areas confined to the area lying between 300N and 300S latitudes. Which of the following initial conditions are required for the emergence of tropical cyclone?

  1. Large and continuous supply of warm and moist air that can release enormous latent heat
  2. Presence of strong Coriolis force
  3. Presence of strong vertical wind

Select the correct answer

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

 

16. Lunar eclipse occurs only on a
  • a. first quarter day
  • b. full moon day
  • c. new moon day
  • d. last quarter day

 

17. Every fourth year, February is of 29 days instead of 28 days. Such a year with 366 days is called a leap year. Which is a leap year?
  • a. 2018
  • b. 2020
  • c. 2021
  • d. 2022

 

18. Consider the following statements

  1. The place in the crust where the movement starts is called the epicentre .
  2. The place on the surface above the Epicentre is called the focus.
  3. Focus is also known as Hypocentre

Select the incorrect statements

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

 

19. Consider the following statements

  1. During the Neap Tides the high tide is lower and the low tide is higher than usual.
  2. The Neap Tide, unlike the Spring Tide, occurs on the New Moon instead of on the Full Moon.

Select the correct answer

  • a. Only 1
  • b. Only 2
  • c. Both
  • d. Neither 1 nor 2

 

20. With reference to the Palk Strait, consider the following statements.

  1. It connects the state of Tamilnadu in India to Sri Lanka.
  2. No river flows into the strait.
  3. The popular Ram Setu is located near the strait.
  4. The deep waters and reefs of the strait makes it a much-sought alternative shipping route for large cargo.

Select the correct answer using the codes below.

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

 

21. Which of the following description best suits Himalayan mountains?
  • a. Young fold mountain
  • b. Old block mountains
  • c. Rugged and young block mountains
  • d. Rounded volcanic mountains

 

22. Consider the following statements. Chemical fertilizers:

  1. Provide minerals that are retained in the soil forever
  2. Help in the rapid growth of bacteria and other microorganisms to restore the natural fertility of soil

Which of the above is/are correct?

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

 

23. What are the consequences of the thin air found at high altitudes in Ladakh?

  1. Heat of the sun is felt much lesser as compared to places at same latitude but lower altitude
  2. Frost bite is rarest in this region due to presence of thin air mass.

Which of the above is/are correct?

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

 

24. Consider the following statements about landslide

  1. Landslide is mass movement of rock, debris or earth down a slope
  2. Reasons for landslides are steep slope, earthquake, volcanic disturbances, rainfall etc
  3. Landslides can generate tsunamis.

Select the correct statements

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

 

25. The sun’s rays fall vertically on Tropic of Cancer on 21 st of June. It is known as
  • a. Summer Solstice
  • b. Winter Solstice
  • c. Equinox
  • d. Heat Island

Complete the Quiz to get the Solutions and Explanations. Click Here