NextMockपरीक्षा शोधा, उदा. SSC CGL, UPPSC, Lekhpal
UPSC PYQPrelims 2021

Civil Services Examination · प्रश्न 21

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

  1. Congress grass
  2. Elephant grass
  3. Lemongrass
  4. Nut grass
उत्तर दाखवा आणि स्पष्टीकरण

उत्तर: (C) Lemongrass

स्पष्टीकरण

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