Question

Onion and Garlic belong to which of the following families?
a. Cucurbitaceae
b. Gramineae
c. Compositae
d. Liliaceae

Answer 1

Hint: Botanical name of Onion is Allium cepa and botanical name of garlic is Allium sativum. Family to which these two belong consist of many species including flowering plants of order liliales. Characteristics of the plants under this family are: monocotyledonous, perennial, herbaceous, bulbous plants.

Complete answer:
Onion is also known as common onion or bulb onion. It is a vegetable, cultivated most frequently among species of genus Allium. Onion is a biennial or perennial plant, but usually treated as an annual plant and is cultivated in its first growing session.
Garlic is a species of onion genus, that is Allium. It is a native plant of Central Asia and north-eastern Iran and is cultivated Worldwide. It is a perennial plant growing from a bulb, it has a tall and erect flowering stem. It’s difficult to find progenitor of garlic because most of the cultivars are sterile which disables the ability to cross breeding tests.
Now, let’s discussion the given families:
Option ‘A’ is Cucurbitaceae: It is a family of large edible plants including cucumber, various melons, bitter melon, water melon, calabash, luffa, etc. Most of the plants of the family are annual vines, some are woody lianas, trees, etc. Plants have large yellow flowering patterns. Flowers are unisexual, that is male and female flowers on different plants, called as dioecious plant.
Option ‘B’ is Gramineae: It is a family of monocotyledons, flowering plants, mostly grasses, bamboos, etc. This family is commonly known as the family of grasses. This family also has domesticated cereal crops example: wheat, maize, barley, etc.
Option ‘C’ is Compositae: It is a family of flowers. This family includes aster, daisy, sunflower, etc. Most of the plants are annual or perennial herbs, shrubs, vines, or trees.
Option ‘D’ is Liliaceae: this is a family of monocotyledonous, perennial, herbaceous, bulbous geophytes. Examples are tulips, lilies, onion, garlic, etc.
Thus, from the discussion we can conclude that option ‘D’ is the correct option for the question. Onion and garlic belong to the Liliaceae family.

Note:
Families which come under plant kingdom are Solanaceae, Liliaceae, Cruciferae, Malvaceae, Compositae or Asteraceae.