Question

Allium cepa belongs to the family
A. Solanaceae
B. Liliaceae
C. Cruciferae
D. Compositae

Answer 1

Hint: The onion is also known as the bulb onion or common onion. It is the most cultivated species of the genus Allium. Its close relatives include the garlic, scallion, and Chinese onion. The onion is a biennial or a perennial plant.

Step by step answer:Allium cepa, commonly known as onion, is a worldwide culinary and therapeutic spice belonging to the family Liliaceous. Onion is an important ingredient in many African sauces. The plant has different pharmacological activities such as-
1. Anticancer
2. Antidiabetic
3. Antimicrobial
4. Cardiovascular
5. Antioxidant effects, etc.
Allium cepa belongs to the family of Liliaceae commonly known as the lily family. It is a monocotyledonous plant which is distributed worldwide.
Vegetative characters include perennial herbs with underground bulbs or corms or rhizomes. Leaves are mostly basal, alternate, and linear with parallel venation.
Floral characters of this family are:
1. Solitary or cymose type of inflorescence
2. Bisexual and actinomorphic flowers are present.
3. Tepal is six in number and is united into a tube.
4. Valavate aestivation.
5. Family has six stamens and are epitepalous
6. Gynoecium is tricarpellary, the syncarpous, ovary is superior and trilocular with many ovules.
7. Fruit is a capsule rarely a berry.
8. Endospermous seed
9. Many plants of this family are good ornaments, sources of medicine, and colchicine.
 So, the correct option is option B. Liliaceae.

Note: It is a biennial plant, but is usually grown as an annual. The leaves are yellowish- to bluish green and grow alternately in a flattened, fan-shaped swathe. They are fleshy, hollow, and cylindrical, with one flattened side. They are at their broadest about a quarter of the way up, beyond which they taper towards a blunt tip.