Which one of the following can be used for biological control of mosquitoes?
- AOil
- BOintment
- CDDT
- DGambusia
- ENone of the above/More than one of the above
Show answer and explanation
Correct answer: (d) Gambusia
Explanation
Gambusia, the mosquito fish, eats mosquito larvae, so it is put into ponds and tanks for the biological control of mosquitoes.
DDT is a chemical insecticide, not a biological control.