NextMockપરીક્ષાઓ શોધો, દા.ત. SSC CGL, UPPSC, Lekhpal
UPSC PYQPrelims 2021

Civil Services Examination · પ્રશ્ન 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
જવાબ બતાવો અને સમજૂતી

જવાબ: (C) Lemongrass

સમજૂતી

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