Predation NEET Questions

Biology - Ecology and Environment

Predation MCQ Questions


13.
A decrease in predator population can result in:
A.
An increase in prey population
B.
A decrease in prey population
C.
No change in prey population
D.
None of the above
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ANSWER :
A. An increase in prey population
14.
Predator-prey cycles are characterized by:
A.
Regular oscillations in population sizes of both species
B.
Constant population sizes
C.
Immediate extinction of one species
D.
None of the above
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ANSWER :
A. Regular oscillations in population sizes of both species
15.
Which factor can destabilize predator-prey dynamics?
A.
Stable environmental conditions
B.
Introduction of an invasive predator
C.
Low reproductive rates in both species
D.
None of the above
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ANSWER :
B. Introduction of an invasive predator
16.
Predators help maintain ecosystem balance by:
A.
Eliminating all prey species
B.
Controlling prey populations
C.
Increasing prey reproductive rates
D.
None of the above
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ANSWER :
B. Controlling prey populations
17.
The removal of a top predator from an ecosystem can lead to:
A.
Increased biodiversity
B.
Trophic cascades
C.
Stabilization of prey populations
D.
None of the above
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ANSWER :
B. Trophic cascades
18.
Keystone predators are species that:
A.
Are the most abundant species
B.
Have a disproportionately large impact on their ecosystem
C.
Have no natural enemies
D.
None of the above
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ANSWER :
B. Have a disproportionately large impact on their ecosystem