Home Biology Organisms and Populations Populations Attributes Which of the following is the example of bio…
Biology Organisms and Populations Populations Attributes Single Correct MCQ
Published on: August 13, 2026

Which of the following is the example of biological control?

A
Control of mosquitoes by DOT.
B
Control of opuntia by a predator (moth), a type of insect.
C
Decreasing the earring capacity of the habitat by poisoning it.
D
rescue effect.

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The correct answer is:
B

Biological control uses natural enemies (predators, parasites, pathogens) to control pest populations. A classic example is the control of Opuntia (prickly pear cactus) using a moth (Cactoblastis cactorum).

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