Question

They are called fixed oils as they are chemically esters of fatty acids synthesized by plants.
A. Essential oils
B. Vegetable oils
C. Latex
D. All of the above

Answer 1

Hint: Oils which are obtained from one or more plant parts such as root, stem, bark, leaves, flowers, seeds, fruits, and any other a part of the plant are called plant oils. They may be fixed (vegetable oils) or essential oils.

Step by step answer:Extracts and derivatives obtained from the different parts of plants are very useful products. One such product is oils. Oils obtained from the plant can be broadly classified into two: fixed oils and essential Oils.
Fixed oils or vegetable oils:
Oils that are derived from seeds, nuts, and vegetables are fixed oils. Fixed oils are also called vegetable
oils. Fixed oils are obtained from the oil yield seeds. Fixed or vegetable oils are esters of fatty acids,
dense and non-volatile. Example of vegetable oils is olive oil, almond oil, coconut oil, sunflower oil.
Vegetable oils are used for various purposes. They used as edible oil for cooking, as industrial raw
materials, and feedstock for producing many useful products.
Thus, option B. Vegetable oils are the correct answer.
Additional information:
Essential oils:
Oils that obtained plant parts other than seeds. They are obtained from the leaves, roots, bark, and
other aromatic portions of a plant. These oils are volatile and can evaporate easily. Some examples of
essential oils are Tea Tree, Rosemary, and Peppermint. Essential oils aromatic and used in the cosmetic
industry.

Note: The term fixed oils are frequently interchanging with vegetable oils. These oils are obtained from fatty seeds (oilseeds). They are non-volatile. In contrast, essential oils are obtained from non-seed parts of a plant. Essential oils are volatile.