Environment & Biodiversity MCQs

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

41. Which of the following statements is/are correct regarding Plasticulture?
1) It is the practice of using plastic materials in Road construction.
2) Polyethylene (PE) is mostly used by the majority of people.
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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42. Which of the following statements are correct regarding Nanotoxicology?
1) It is the study of the toxicity of nanomaterials.
2) Inhalation exposure is of most concern.
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 these is not a species of Sub-alpine Forests?
[A] Birch
[B] Rhododendrons
[C] Oak
[D] All of the above

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44. Identify correct type of food chain :

• Dead animal
• Maggots
• Frog
• Snake

[A] Detritus food chain
[B] Grazing food chain
[C] Decomposer food chain
[D] Parasitic food chain

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45. Which of the following three ‘R’s are regarded as environment friendly?
[A] Reduce, Reuse, Recycle
[B] Read, Register, Recall
[C] Reduce, Rebuild, Restrict
[D] Random, Reduce, Recall

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46. 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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47. Highest source of air pollution in the world is _____:
[A] Aircraft
[B] Automobiles
[C] Industries
[D] Household wastes

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48. In which country the worlds first negative emission carbon capture plant begins its operations?
[A] Iceland
[B] Germany
[C] Japan
[D] China

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49. What is green house effect?
[A] Turning of house green because of algae cover
[B] Warming of earth because of trapping of radiations by the earths atmosphere
[C] Turning of house green because of green component of white light
[D] None of the above

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50. Which of the following factors is/are not affected by speed and direction of wind?
[A] Location on the earth
[B] Revolution of earth
[C] Local conditions
[D] Height from ground

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