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"Ginger oil" is obtained from which of the following plants ?

  • A.Cymbopogon martini
  • B.Cymbopogon nardus
  • C.Vetivera zizanioides
  • D.Cymbopogon flexuosus

Answer: A

The key takes 'ginger oil' to come from Cymbopogon martini.

Cymbopogon martini has two varieties: var. motia yields palmarosa oil, and var. sofia yields gingergrass oil, the 'ginger oil' of this question. (Oil from the ginger rhizome itself comes from Zingiber officinale, which is not offered.)

Cymbopogon nardus gives citronella oil, Cymbopogon flexuosus lemongrass oil, and Vetiveria zizanioides (printed 'Vetivera') vetiver or khus oil.

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