Question

Which of the following is an anti-larval measure for mosquito control?

• A. Space spray
• B. Gambusia fish
• C. Insecticide impregnated bednets
• D. Mosquito repellant creams

Hint:

Anti-larval measures focus on controlling the mosquito population at the larval stage, such as using Gambusia fish in water bodies.

Answer 1

The Correct Option is B

Gambusia fish are small freshwater fish that feed on mosquito larvae, making them an effective anti-larval measure for mosquito control. This biological method is often used to reduce mosquito breeding in stagnant water. Other options, such as space spray and bednets, target adult mosquitoes, while repellant creams prevent bites.