Botanical Source of Natural Mosquito Repellents
Question
Which one of the following is used in preparing a natural mosquito repellent?
Options
Congress grass
Elephant grass
Lemongrass
Nut grass
Explanation
Lemongrass (Cymbopogon species) contains high concentrations of volatile essential oils, predominantly citronellal and geraniol. These extracts possess well-documented insecticidal and repellent attributes and are widely utilized globally to manufacture natural mosquito-repellent sprays, lotions, and vaporizing coils. > Citronella extract derived from lemongrass acts as a popular, bio-friendly insect repellent. Answer: (c).
Question details
Year
2021
Paper
GS Paper 1
Question
Q21
Subject
Science & Technology
Sub-topic
Biology & Life Sciences
Type
Factual single
Difficulty
Easy
Nature
Static
Source hint
Daily scientific facts / Commercial use cases
Same sub-topic — other years
Biology & Life Sciences has appeared in multiple papers:
See all questions on Biology & Life Sciences
Browse every tagged question across all years