Ecosystem Roles UPSC Questions

General Issues on Environmental Ecology, Bio-diversity & Climate Change

Ecosystem Roles MCQ Questions


7.
What kind of ecological pyramid is always upright?
A.
Pyramid of numbers
B.
Pyramid of biomass
C.
Pyramid of energy
D.
All of the above
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ANSWER :
C. Pyramid of energy
8.
In which ecosystem is the pyramid of biomass inverted?
A.
Grassland ecosystem
B.
Forest ecosystem
C.
Aquatic ecosystem
D.
Desert ecosystem
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ANSWER :
C. Aquatic ecosystem
9.
Which of the following is NOT a type of ecological pyramid?
A.
Pyramid of time
B.
Pyramid of numbers
C.
Pyramid of biomass
D.
Pyramid of energy
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ANSWER :
A. Pyramid of time
10.
The "Miyawaki method" is well known for the:

UPSC - 2022

A.
Promotion of commercial farming in arid and semi-arid areas
B.
Development' of gardens using genetically modified flora
C.
Creation of mini forests in urban areas
D.
Harvesting wind energy on coastal areas and on sea surfaces
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ANSWER :
C. Creation of mini forests in urban areas
11.
Which type of interaction benefits both species involved?
A.
Commensalism
B.
Amensalism
C.
Mutualism
D.
Parasitism
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ANSWER :
C. Mutualism
12.
Bioaccumulation refers to:
A.
Decrease in pollutant concentration through the food chain
B.
How pollutants enter a food chain
C.
Loss of energy through trophic levels
D.
Predator-prey interaction
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ANSWER :
B. How pollutants enter a food chain