Environment, Ecology & Biodiversity MCQs

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

61. Identify the climate pollutant with the help of given information:

  1. It is the most abundant reactive trace gas in the atmosphere and arises from both natural and anthropogenic sources.
  2. This gas is 30 times more powerful than carbon dioxide in its heat-trapping potential.
  3. Agriculture and dairy farming are the most significant human sources of this gas while wetlands and oceans form the natural sources.
  4. It’s a common fabric, plastic, anti-freeze and fertilizer ingredient.

Select the correct answer from options given below:

[A] Sulfur Hexafluoride
[B] Methane
[C] Nitrous Oxide
[D] Carbon Monoxide

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62. Which among the following can lead to eutrophication in the water bodies?

  1. Use of Fertilizers in nearby fields
  2. Wastewater effluents
  3. Runoff from abandoned mines

Select the correct option from the codes given below:

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

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63. The Ecosystem Approach:
1. keeps human needs at the centre stage of biodiversity management
2. aims for short term economic gains Which among the above is / are correct?

[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 nor 2

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64. Consider the following bacteria:

  1. Rhizobium
  2. Azotobacter
  3. Anabaena
  4. Nostoc

Which among the above fix nitrogen without being in symbiotic relation with other biota?

[A] Only 1, 2 & 3
[B] Only 2, 3 & 4
[C] Only 2 & 4
[D] Only 2

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65. Which of the following fauna have been listed under Schedule-V of the Wild Life (Protection) Act, 1972?

  1. Dugong
  2. Common Crow
  3. Common fox
  4. Fruit bats

Select the correct option from codes given below:

[A] 1, 2 & 4 Only
[B] 2, 3 & 4 Only
[C] 1, 3 & 4 Only
[D] 1, 2, 3 & 4

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66. A biome is classified according to the

[A] Species living in it
[B] Temperature
[C] Edaphic Properties
[D] Amount of rainfall received

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67. These organism of aquatic group are unattached organisms living at the interface of air and water. Which among the following are those organisms?

[A] Periphyton
[B] Neuston
[C] Nekton
[D] Plankton

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68. Ramsar convention is related to which of the following-

[A] Limiting the desertification
[B] Conservation of wetlands
[C] Conservation of Snow Leopard
[D] Conservation of Tigers

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69. Which of the following is true about Alpha diversity?

[A] It is the species diversity within a specified habitat
[B] It is the diversity between two communities
[C] It is the diversity among two or more ecological communities
[D] None of the above

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70. Which of the following classical text give references to ecological concepts?
1) Vedas
2) Samhitas
3) Brahmanas
4)Aranyakas – Upanishads
Select the correct answer from the codes given below:

[A] Only 1 & 2
[B] Only 2, 3 & 4
[C] Only 3 & 4
[D] 1, 2, 3 & 4

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