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Ecology, Biodiversity Conservation and Environmental Issues

Ramya_naidu

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Ecology, Biodiversity Conservation and Environmental Issues mcq questions and answers for competitive exams UPSC SSC , SSC CGL, SSC CHSL, upsc Civils , Entrance exams Online test practice online free Quiz, mock practice online
61.
Which of the following is not a major biome of India?

a
Tropical deciduous forest biomes
b
Temperate needle leaf forest biomes
c
Tropical rain forest biomes
d
Mountains and glaciers
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62.
Agent orange is a

a
Weedicide
b
Fungicide
c
Nematicide
d
Rodenticide
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63.
The sequence of ease of decomposition of organic compounds in soil is

a
Lignin - Hemicellulose - Starch - Crude protein - Fat
b
Crude protein - Starch - Fat - Lignin - Hemicellulose
c
Starch - Crude protein - Hemicellulose - Fat - Lignin
d
Fat - Starch - Lignin - Hemicellulose - Crude protein
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64.
A change in a population's gene pool over time is called

a
Microevolution
b
Inorganic evolution
c
Macroevolution
d
Chemical evolution
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65.
The energy released during combustion of methane is 900 kJ/mol. The carbon intensity of methane is

a
0.05 gram C/kJ
b
0.013 gram C/kJ
c
1.08 gram C/kJ
d
0.018 gram C/kJ
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66.
The Keystone predator species maintain diversity in a community by

a
Preying on community's dominant species
b
Coevolving with their prey
c
Allowing immigration of other predators
d
Competitively excluding other predators
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67.
Which one of the following is the national aquatic animal of India?

a
Gharial
b
Saltwater crocodile
c
Gangetic dolphin
d
Olive ridley turtle
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68.
Which of the following is used as plant indicator for detection of presence of SO2 and HF in air?

a
Lichen
b
Orchid
c
Apricot
d
Tobacco
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69.
Melting of polar ice is expected to cover a sea level rise of approximately

a
10 metre
b
20 metre
c
60 metre
d
100 metre
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70.
The sources of thermal pollution are

a
Power plants
b
Industrial effluents
c
Cooling forests
d
All of the above
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71.
Which pyramid cannot be inverted in a stable ecosystem?

a
Pyramid of energy
b
Pyramid of number
c
Pyramid of dry weight
d
Pyramid of biomass
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Discuss
72.
The area of the biosphere which is protected entirely, without any experimentation and research and no biotic interference, is known as

a
Undisturbed zone
b
Buffer zone
c
Core zone
d
Principal zone
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73.
Indian government's target of producing power from biomass by the year 2022, is

a
50 MW
b
15 MW
c
25 MW
d
10 MW
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74.
Which statement is not correct for hazardous wastes?

a
They are capable of corroding metal containers
b
They contain one or more of 39 toxic compounds
c
They are nonreactive and stable
d
They catch fire easily
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75.
Sustainable development goals have specific targets to be achieved by

a
2022
b
2030
c
2040
d
2050
View Answer
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