Essential oils are composed of aromatic molecules and contain compounds such as monoterpene hydrocarbons, esters, and sclareol. This is a multiple-choice quiz category page on the “components” of essential oils, including aromatic classifications and aromatic molecules, for aromatherapy herbs.

The content is also related to qualification exams such as the Aromatherapy Test Level 1 and 2, Aromatherapy Advisor, Aromatherapy Instructor, Aromatherapist, Herb Advisor, Herb Coordinator, and Herbal Therapist.