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 methods can be helpful in preventing floods?
[A] Deforestation
[B] Afforestation
[C] Tilling of land
[D] Removing the top soil

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42. Which of the following is a cryogenic storage facility used to archive biological samples for use in research and experiments?
[A] Gene banks
[B] Biobank
[C] Carbon credit
[D] Biocapacity

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43. Which of the following statements are correct regarding Earth Hour?
1. It is a global event which is organized by WWF.
2. On this day households and businesses turn off their non-essential lights and other electrical appliances for an hour to raise awareness towards the need to take action on climate change.
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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44. Which of the following is a vehicle that doesn’t emit tailpipe pollutants from the onboard source of power?
[A] BS VI vehicles
[B] Electric Vehicles
[C] ZEV vehicles
[D] Power vehicles

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45. The Ozone-Depleting Substances (ODS) are found in which of the following layer of atmosphere ?
[A] Troposphere
[B] Stratosphere
[C] Mesosphere
[D] Ionosphere

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46. Trans-boundary pollution (or) Acid rain is caused by ____:
[A] Hydrocarbon
[B] Carbon monoxide
[C] Nitrogen oxide and sulphur dioxide
[D] Carbon dioxide

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47. Which of the following is another name for the fish farming revolution?
[A] Blue revolution
[B] White revolution
[C] Yellow revolution
[D] Brown revolution

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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. The State which produces largest number of orchids in India is ______:
[A] Meghalaya
[B] Assam
[C] Sikkim
[D] Arunachal Pradesh

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50. In an ecosystem, the movement of energy towards the higher trophic levels is:
[A] Multi-directional
[B] Unidirectional
[C] Undefined
[D] None of the flow

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