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 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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42. In which Karnataka district is the Aghnashini estuary located?
[A] Tumakuru
[B] Yadgir
[C] Uttara Kannada
[D] Mandya

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43. The basic unit of biosystematics is ____:
[A] Phenotype
[B] Genotype
[C] Ecotype
[D] Florotype

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44. Human Environment Conference 1972 was held at ____:
[A] Paris
[B] Geneva
[C] Australia
[D] Stockholm

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45. Which one of the following is not a major component of biotic environment?
[A] Plant
[B] Water
[C] Animals
[D] Decomposers

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46. The resources which are obtained from bio sphere and have life are ____:
[A] Potential resources
[B] Biotic resources
[C] Abiotic resources
[D] Renewable resources

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47. Environmental pollution can be controlled by _____:
[A] Sewage treatment
[B] Manufacturing electric vehicles
[C] Checking atomic blasts
[D] All of the above

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48. 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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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. To which reef system does Glover’s Reef belong?
[A] The Belize Barrier Reef Reserve System
[B] The Great Barrier Reef
[C] The Red Sea Coral Reef
[D] The Coral Triangle

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