Question

Which of the following can be used for biological control of mosquitoes ?

• A. Oil
• B. Ointments
• C. DDT
• D. Gambusia

Answer 1

The correct option is D

Gambusia

The correct answer is Option D

Explanation of correct option:

1. Gambusia is a kind of fish that feeds on mosquito larvae.
2. This is used to keep mosquito populations under control.

Explanation of incorrect options:

Option A:

Oils are used to create a slick that prevents the breeding of mosquitoes in stagnant water.

Option B:

Humans use ointments to protect themselves against mosquito bites.

Option C:

Dichlorodiphenyltrichloroethane (DDT) are chemical substances that help prevents mosquito breeding.

Final answer: Gambusia is a biological control of mosquitoes.