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 statements regarding Neem Coated Urea:

  1. It gives higher crop yields
  2. Reduces underground water contamination
  3. Suitable for industrial uses

Select the correct answer from the codes given below:

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

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32. Guar gum:
1. is used in Hydraulic Fracturing Process.
2. is more viscous when compared to water
3. is produced mainly in western India
Which of the above is / are correct statements?

[A] 1 & 3 Only
[B] 2 & 3 Only
[C] 1 & 2 Only
[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. Excessive accumulation of Nitrogen and Phosphorous in the water helps in growth of which of the following?

  1. Phytoplankton
  2. Zooplankton
  3. Fish

Select the correct option from the codes given below:

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

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35. Consider the following pollutants:

  1. Ground level ozone
  2. Sulphur oxides
  3. Volatile organic compounds

Which of the above is/are primary pollutant(s)?

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

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36. There is a Carbon Footprint if a process releases:

  1. Carbon dioxide (CO2)
  2. Methane (CH4)
  3. Nitrous oxide (N2O)
  4. Hydro fluorocarbons (HFCs)

Select the correct option from the codes given below:

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

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37. Which among the following have been covered under the National Initiative on Climate Resilient Agriculture?
1.Farm Crops
2.Livestock
3.Fisheries
Choose the correct option from the codes given below:

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

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38. Which among the following is the largest terrestrial pool of carbon?

[A] Ponds and Lakes
[B] Forests
[C] Soil
[D] Rocks and Mountains

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39. With reference to IUCN (International Union for Conservation of Nature and Natural Resources) , which among the following is a correct statement?

[A] IUCN is known to save endangered species through dramatic, attention-grabbing protests
[B] IUCN is an organization of multinational corporations united to fight conservation efforts
[C] IUCN came up into existence after the Earth Summit of 1992
[D] IUCN is a collaboration of both the governmental agencies and private conservation groups

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40. Why is thermal pollution a problem for marine organisms?

[A] Marine Organisms are hot-blooded and thermal pollution may overheat them
[B] Marine Organisms live in narrow temperature range and thermal pollution may breakdown their metabolism
[C] Thermal pollution destroys the primary producers of the marine ecosystem and other organisms die because of food scarcity
[D] All of the above are correct explanations

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