Which one of the following is used in preparing a natural mosquito repellent?

ಉತ್ತರ ತೋರಿಸು ಮತ್ತು ವಿವರಣೆ

ಉತ್ತರ: (C) Lemongrass

ವಿವರಣೆ

Lemongrass (source of citronella-type oils) is used in natural mosquito repellents.