Environment, Ecology & Biodiversity MCQs

Environment, Ecology & Biodiversity Multiple choice questions for GK paper in SSC, NDA, CDS, UPSC, UPPSC and State PSC Examinations. These questions are part of GKToday’s 35000+ MCQs Bank Course in GKToday Android App

1. Ozone layer is found in which of the following ? 

[A] Troposphere
[B] Stratosphere
[C] Exosphere
[D] Thermosphere

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2. In which year Project Tiger was launched in India?

[A] 1970
[B] 1973
[C] 1992
[D] 1995

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3. The Siberian Crane, an endangered migratory bird is a regular visitor of which of the following national park/bird sanctuaries:

[A] Ranganathittu bird sanctuary
[B] Keoladeo national park
[C] Vedanthangal bird sanctuary
[D] Sultanpur bird sanctuary

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4. The food chain in which the micro- organism feed by decomposing the organic matter is called-

[A] Detritus food chain
[B] Primary food chain
[C] Secondary food chain
[D] None of the above

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5. Which of the following is true about lakes?

  1. They are the permanent body of standing water
  2. Like wetland they have no stratification in water
  3. They have low productivity as compared to wetlands

Select the correct answer from the codes given below-

[A] 1 and 2 only
[B] 1 and 3 only
[C] 2 and 3 only
[D] 1,2 and 3 only

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6. Which of the following can be classified under Primary pollutants?

  1. Plastic
  2. Sulphur Dioxide
  3. Nitrogen oxide
  4. Ozone

Select the correct answer from the codes given below-

[A] 1,2,3,4
[B]1,2 and 3 only
[C] 2,3 and 4 only
[D] 1 and 4 only

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7. Which of the following gas was during Bhopal Gas Tragedy?

[A] Methyle isocynate
[B] Carbon Monoxide
[C] Ethyle Isocynate
[D] Ethyle Ethyle

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8. Which of the following are the benefits of chlorine treatment of water?

  1. Remove suspended partticles
  2. Remove hardness of water
  3. Kill germs

Select the correct answer from the codes given below-

[A] 1,2,3 only
[B] 1 and 3 only
[C] 2 and 3 only
[D] 1 and 2 only

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9. Which of the following is true about speciation?

  1. It refers to the formation of new species
  2. Genetic variations effect it 
  3. Variation in ecosystem effects the speciation

Select the correct answer from the codes given below-

[A] 1,2,3
[B] 1 and 2 only
[C] 2 and 3 only
[D] 1 and 3 only

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10. Which of the following statements are correct about Taiga Biome?
1) Also known as boreal forest.
2) The dominating vegetation is coniferous evergreen mostly spruce, with some pine and firs.
3) Found in Southern Europe, China area.
Select the correct answer from the codes given below:

[A] Only 1 & 2
[B] Only 2 & 3
[C] Only 2
[D] Only 3

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