UPSC Prelims 2021 · Question 21 of 97

UPSC Prelims 2021 question on Lemongrass Mosquito Repellent

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

  1. Congress grass
  2. Elephant grass
  3. Lemongrass
  4. Nut grass
Show answer

Answer: C. Lemongrass

Citronella, the essential oil found in Lemongrass, is registered with the FDA and is the most widely used natural mosquito repellent found in candles, sprays, and lotions.

To help deter mosquitoes with its strong fragrance, plant lemongrass along walkways and in locations close to seating areas.

Hence, option (c) is the correct answer.

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