Environment, Ecology & Biodiversity MCQs

Environment, Ecology & Biodiversity Multiple choice questions for GK paper in SSC, NDA, CDS, UPSC, UPPSC and State PSC Examinations.

31. Consider the following species of Apes:

  1. Orangutans
  2. Hoolock gibbons
  3. Bonobo
  4. Gorillas

Which of the above is/are found in India?

[A] 2 Only
[B] 2 and 4 Only
[C] 1, 3 and 4 Only
[D] 1, 2, 3 and 4

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32. Consider the following:

  1. Shift from coal-fired tandoors to LPG
  2. Afforestation
  3. Shift from diesel based vehicles to petrol vehicles

Which of the above will help to reduce PM2.5 from atmosphere?

[A] Only 1
[B] Only 1 & 3
[C] Only 2
[D] 1, 2 & 3

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33. In recent times, the term “Clean coal” has been making news frequently. Which among the following statements is the closest explanation to clean coal ?

[A] Equivalent use of alternative fuels in place of coal
[B] Use of coal that has not been procured from underground mines
[C] Underground coal gasification and liquefaction to reduce CO2 emissions
[D] Coal combustion within controlled environment

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34. Identify the wetland of India on the basis of below information:
1. This is one of the Ramsar wetlands in India and is world’s one of the largest lagoons
2. Since it had “undergone, to be undergoing, or to be likely to undergo change in its ecological character brought about by human action”, it was placed in Montreux record of the Ramsar Convention but was later removed from it due to conservation efforts
3. If you visit this wetland, you get a chance to see the rare and endangered ‘Irrawady Dolphin’
Select the correct option from the codes given below:

[A] Bhitarkanika Mangroves
[B] Kolleru Lake
[C] Chilika Lake
[D] Ashtamudi Wetland

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35. Consider the following:

  1. Neuston
  2. Plankton
  3. Nekton

Which of the above is/are found in lotic ecosystem?

[A] 1 Only
[B] 1 & 3 Only
[C] 2 Only
[D] 1, 2 & 3

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36. Consider the following statements:
1. Black bucks are found in natural conditions in North India as well as South India.
2. The basic difference between a deer and antelope is the way it sheds and re-grows its Horns
3. Only the male species of the barasingha grow antlers
4. The Barasingha sheds its antlers every year
5. Chinkara is also known as Indian gazelle
Which among the above statements is / are correct?

[A] Only 1 & 2
[B] Only 1, 2 & 3
[C] Only 1, 2, 3 & 4
[D] 1, 2, 3, 4 & 5

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37. Which of the following is an example of lotic ecosystem ?

[A] Stream ecosystem
[B] Pond ecosystem
[C] Bog ecosystem
[D] Wetland ecosystem

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38. With reference to the air pollution, the Respirable Suspended Particulate Matter (RSPM) is of two types viz. PM10 (diameter 10-2.5 microns) and PM2.5 (under 2.5 microns). Consider the following statements with this reference:
1. During winter the concentration of PM2.5 is higher than summer
2. While PM2.5 affects the lungs; the PM10 affects the upper respiratory tract
Which among the above is / are correct?

[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 nor 2

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39. The International Union for Conservation of Nature (IUCN) declares some places around the world as “Hope Spots”. Hope Spots are the places which are critical to the health of the __:

[A] Ocean life
[B] Groundwater
[C] Wetlands with plenty of Migratory Birds
[D] Tropical Rainforests

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40. Which among the following is / are principal components of photochemical smog in urban areas?

  1. Oxides of Nitrogen
  2. Hydrocarbons
  3. Ozone
  4. Suspended Particulate Matter

Select the correct option from the codes given below:

[A] Only 1 & 2
[B] Only 1, 2 & 3
[C] Only 2, 3 & 4
[D] 1, 2, 3 & 4

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