Environment & Biodiversity MCQs

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

41. In which of the following year did Bhopal Gas Tragedy took place?
[A] 1982
[B] 1984
[C] 1986
[D] 1988

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42. Which of the following statements are correct regarding Environment Impact Assessment?
1. Screening is done based on type and location of development only.
2. The state of ecosystem as it exists prior to the project and its potential effects is known as Baseline Data.
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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43. 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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44. Which of the following statements are correct regrading Gene banks?
1. Gene banks are established to protect genetic material, be it plant or animal.
2. In plants, genetic material can be saved by freezing cuts from the plant, or stocking the seeds.
3. In animals, genetic material can be saved by freezing of sperm and eggs in zoological freezers until
further need.
Select the correct option from the code given below:
[A] Only 1 & 2
[B] Only 2 & 3
[C] Only 1 & 3
[D] 1, 2 & 3

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45. Which of the following statements are correct with respect to Xerosere?
1. It is a type of plant succession which is limited by water availability.
2. Xerosere originates on rock surfaces which are in an unweathered state.
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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46. Trans-boundary pollution (or) Acid rain is caused by ____:
[A] Hydrocarbon
[B] Carbon monoxide
[C] Nitrogen oxide and sulphur dioxide
[D] Carbon dioxide

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47. The Red Data Book is the documentation of endangered rare species of ____:
[A] Other living organisms
[B] Fauna
[C] Flora
[D] All of the above

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48. Which of the following statement is incorrect?
[A] Forest protect the soil from erosion
[B] Plants and animals in a forest are not dependent on one another
[C] Forests influence the climate and water cycle
[D] Soil helps forest to grow and regenerate

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49. Which of the following agricultural practices have been primarily responsible for pollution of our water resources?

A. Use of live-stock manure
B. Use of chemical fertilisers
C. Excessive use of chemical pesticides
D. Deforestation

[A] B and C
[B] A, C and D
[C] A and B
[D] A, B and D

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50. Which of the following is the best solution to get rid of non-biodegradable wastes?
[A] Dumping
[B] Burning
[C] Recycling
[D] Burying

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