Which one of the following is used in preparing a natural mosquito repellent?
✓ Correct answer: c) Lemongrass
ExplanationLemongrass is a tall herb that is widely distributed in tropical and subtropical regions of Asia, Africa, and Australia.Lemongrass is most frequently produced in China and India.The lemongrass herb is well known for its effectiveness at warding off mosquitoes and works as a mosquito repellent.It contains the chemical citronella, which aids in disguising the smells that mosquitoes use to target victims.A 2011 study found that the strong odour of lemongrass oil effectively killed or fully repelled more than 90% of the mosquitoes from a particular range of species.32
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