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 is not a natural hazard?
[A] Volcanoes
[B] Climate Change
[C] Earthquake
[D] Tsunami

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42. The Downhill movement of earth upper soil layer is mainly caused due to which of the following reason?
[A] Pollution
[B] Rain
[C] Drought
[D] None of the above

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43. The Screening Criteria under Environment Impact Assessment are based upon which of the following?
1. Scales of investment
2. Type of development
3. Location of development
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 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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45. At which place Lingambudhi lake is situated?
[A] Bangaluru
[B] Hubbali
[C] Mysuru
[D] Shivamogga

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46. Why do Mangrove trees have breathing roots?
[A] The roots prevent soil erosion
[B] To store oxygen up to 4 days
[C] The roots are the only place where photosynthesis is done
[D] To obtain oxygen from the air

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47. Which of the following is a biodegradable waste?
[A] Plastics
[B] Wool
[C] Nylon
[D] Polythene bags

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48. 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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49. Why Taj Mahal is suffering from “Marble Cancer”?
[A] Because of sulphur dioxide
[B] Because of nitrogen dioxide
[C] Because of chloroflurocarbon
[D] Because of carbon dioxide

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50. Which among the following can be termed as a “dynamic living entity”?
[A] Tree
[B] Water
[C] Forest
[D] Air

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