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 gas is the biggest overall contributor to the greenhouse effect?
[A] Carbon di-oxide
[B] Nitrous oxide
[C] Oxygen
[D] Water vapour

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42. The ozone layer is present in which of the following layers of the atmosphere?
[A] Troposphere
[B] Stratosphere
[C] Mesosphere
[D] Thermosphere

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43. Which of the following are the missions contained in India’s National Action Plan on Climate Change?
1. National Solar Mission
2. National Mission for Enhanced Energy Efficiency
3. National Mission on Sustainable Habitat
4. National Mission on Atomic Energy
Select the correct option from the codes given below:
[A] Only 1 & 2
[B] Only 1, 2 & 3
[C] Only 1, 3 & 4
[D] 1, 2, 3 & 4

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44. Which of the following is a lake with low primary productivity as a result of low nutrient content?
[A] Eutrophic lake
[B] Oligotrophic Lake
[C] Mesotrophic lakes
[D] None of the above

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45. Where is Nagavara lake located in Karnataka?
[A] Gulbarga
[B] Hubbali
[C] Kolar
[D] Bengaluru

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46. Which is used as an Air pollution indicator?
[A] Algae
[B] Fungi
[C] Bacteria
[D] Lichens

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47. Which of the following weeds has been found useful to check water pollution caused by industrial affluent?
[A] Water hyacinth
[B] Elephant grass
[C] Parthenium
[D] Both [A] and
[B]

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48. Where is the Vikramshila Gangetic Dolphin Sanctuary situated?
[A] Haridwar
[B] Bhagalpur
[C] Allahabad
[D] Visakhapatnam

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49. 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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50. In which country is the Great Dividing Range situated?
[A] Australia
[B] New Zealand
[C] Canada
[D] United States

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