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 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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42. Which are the most common vegetation of Mangroves?
[A] Kewra bushes
[B] Litchi plants
[C] Tulsi plants
[D] Varenima bushes

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43. In how many states do Central Government run the Namami Gange mission?
[A] 2
[B] 3
[C] 4
[D] 5

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44. The toxic metal associated with the Minamata episode is ____:
[A] Lead
[B] Arsenic
[C] Mercury
[D] Cadmium

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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. 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. Addition excessive amounts of heat to a lake is referred to as _____:
[A] Thermal pollution
[B] Heat Bloom
[C] Green House effect
[D] Refrigeration effect

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48. Spraying of DDT on crops causes pollution of _____:
[A] Air & Water
[B] Air & Soil
[C] Crops & Air
[D] Soil & Water

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49. Gahirmatha Sanctuary is the only Sanctuary for _____ in Odisha:
[A] Turtles
[B] Crocodiles
[C] Elephants
[D] Deer

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50. Which of the following Colour coded weather alert is issued by IMD when there is a chance of more than 20 cm rainfall in 24 hours?
[A] Green
[B] Orange
[C] Red
[D] Yellow

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