Environment & Biodiversity MCQs

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

41. National Initiative On Climate Resilient Agriculture was launched by which of the following?
[A] UNEP
[B] ICAR
[C] IPCC
[D] MoEFCC

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42. Indian Meteorological Department was founded in which of the following year?
[A] 1835
[B] 1855
[C] 1875
[D] 1950

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43. Which of the following is an organism that obtains hydrogen or electrons from organic substrates?
[A] Lithophiles
[B] Organotroph
[C] Mixotroph
[D] None of the above

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44. What amount of rainfall does an area typically receive to support grasslands and shrubs kind of vegetation?
[A] Less than 25 cm
[B] Between 25 cm and 75 cm
[C] Between 75 cm to 150 cm
[D] More than 150 cm

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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 fuels causes minimum environmental pollution?
[A] Diesel
[B] Hydrogen
[C] Kerosene
[D] Coal

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47. Microbial degradation of nitrates into atmospheric nitrogen is known as _____:
[A] Ammonification
[B] Denitrification
[C] Nitrification
[D] Putrefaction

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48. Consider the following gases:

  1. Carbon dioxide
  2. Nitrogen
  3. Nitrous oxide
  4. Water vapour

Which of the above gases are considered as greenhouse gases?

[A] 1, 3 & 4
[B] 1 & 4
[C] 1 & 3
[D] 1, 2 & 4

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49. Gaia hypothesis is related to which of the following?
[A] Quantum Theory
[B] Living Organism
[C] Integers
[D] Origin of Earth

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50. Pin valley National park is situated in ______:
[A] Andhra Pradesh
[B] Madhya Pradesh
[C] Himachal Pradesh
[D] Arunachal Pradesh

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