Environment & Biodiversity MCQs

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

41. Dibru-Saikhowa Biosphere Reserve is located in which of the following states?
[A] Assam
[B] Arunachal Pradesh
[C] Mizoram
[D] Meghalaya

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42. Which of the following statements are correct regarding Suspended particulate matter?
1. It consists of solids in the form of smoke, dust, and vapour in the air that can remain suspended for extended periods and is also the main source of haze which reduces visibility.
2. The finer of these particles of these pollutants when breathed in can lodge in our lungs and cause lung damage and respiratory problems.
select the correct option from the codes given below:
[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 & 2

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43. Which of the following statements are correct with respect to Fly Ash?
1. Bricks made from Fly Ash are light in weight and offer high strength and durability.
3. It is used as a fill material for road embankments and in concrete roads.
3. Fly ash can help in increasing crop yield and it also enhances water holding capacity of the land .
Select the correct option from the codes given below:
[A] Only 1 & 2
[B] Only 2 & 3
[C] Only 1 & 3
[D] 1, 2 & 3

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44. Which of the following statements are correct regarding Hydrocarbons?
1)  The burning of fossil fuels is the main source of emission.
2) kidney damage, hypertension, and respiratory distress, are some of the health effects.
Select the correct option from the codes given below:
[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 & 2

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45. The International Renewable Energy Agency is headquartered at which of the following places?
[A] Geneva
[B] Washington D. C.
[C] Abu Dhabi
[D] Gurugram

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46. Which of the following is the importance of Regulation of Coastal Zones?
1) Protection of ecologically Sensitive Areas 
2) To balance development with conservation of the coastal environment
3) To mitigate the impacts of Climate Change 
Select the correct option from the codes given below:
[A] Only 1
[B] Only 1 & 3
[C] Only 2 & 3
[D] 1, 2 & 3

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47. Which of the following is also called as soot?
[A] A poisonous gas
[B] Water repellent solvent
[C] Black carbon
[D] None of the above

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48. Consider the following:

  1. Algal bloom refers to a rapid increase or accumulation in the population of algae in an aquatic ecosystem.
  2. Algal blooms can occur in freshwater as well as marine environments.

Which of the above statements is / are correct?

[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 & 2

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49. Environmental pollution can be controlled by _____:
[A] Sewage treatment
[B] Manufacturing electric vehicles
[C] Checking atomic blasts
[D] All of the above

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50. Which of the following is the treatment of water pollution?
[A] Bag house filter
[B] Reverse Osmosis
[C] Windrow composting
[D] Venturi scrubber

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