Environment & Biodiversity MCQs

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

41. The Downhill movement of earth upper soil layer is mainly caused due to which of the following reason?
[A] Pollution
[B] Rain
[C] Drought
[D] None of the above

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42. Which of the following statements are correct regrading Public Hearing in Environment Impact Assessment?
1. The public must be informed and consulted on any proposed development under a project.
2. Everyone who is affected by the proposed project is entitled to have access to the Executive Summary of the EIA.
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 measurement of all greenhouse gases we individually produce and has units of tonnes (or kg) of carbon dioxide equivalent?
[A] Carbon footprint
[B] Primary footprint
[C] Secondary footprint
[D] Carbon diet

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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. Cellulose fibers are organic pollutant mainly produced by which Industry/ Industries?

I. Mining Industry
II. Soap and detergent Industry
III. Paper and Pulp Industry

[A] Only I
[B] Only II
[C] Only III
[D] Both II and III

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46. Which of the following diseases are due to water pollution?
[A] Cholera
[B] Typhoid
[C] Both Cholera and Typhoid
[D] Neither Cholera Nor Typhoid

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47. Highest source of air pollution in the world is _____:
[A] Aircraft
[B] Automobiles
[C] Industries
[D] Household wastes

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48. What is the most abundant organic compound in the terrestrial environment?
[A] Sucrose
[B] Lactose
[C] Cellulose
[D] Fructose

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49. The potential for air pollution typically increases when the ventilation coefficient is which of the following?
[A] Greater than 11,000 m2/s
[B] Greater than 7,600 m2/s
[C] Less than 3,600 m2/s
[D] Less than 6,000 m2/s

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50. Gondwana Rainforests are found in which country?
[A] Australia
[B] Brazil
[C] India
[D] South Africa

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