Question

The family containing mustard, and its main characters are
A. Brassicaceae – Tetramerous flowers, six stamens, bicarpellary gynoecium, siliqua type fruit.
B. Brassicaceae- Pentamerous flowers, many stamens, pentacarpellary gynoecium, capsule type fruit
C.Solanaceae- Pentamerous flowers, five stamens, carpellary gynoecium, berry type fruit.
D.Poaceae- Trimerous flowers, three stamens, monocarpellary gynoecium, caryopsis type of fruit.

Answer 1

Hint: Mustard (brassica) belongs to the family Brassicaceae which is also known as Cruciferae

Complete answer: Mustard belongs to the genus Brassica which belongs to the family Brassicaceae. The family Brassicaceae is characterized as the perianth which consists of eight distinct calyces and corolla which has 3 whorls, whereas the calyx consists of two whorls. The corolla is present in four numbers as diagonal in one whorl where it is polypetalous and imbricate.
The androecium has six numbers which are free from one another, it consists of fertile stamens which are six in number tetradynamous.
The gynoecium has two carpels and is syncarpous whereas the ovary is twelve locular and it is superior, the stigma is twelve in number which is commissural where one or two-lobed.
The placentation is parietal and the fruit is a siliqua.

Additional information: Plants in the mustard family are generally herbs and can be annuals, biennials, or perennials.
The leaves are simple and alternately arranged, and many are peppery-flavored.
The flowers are cruciform with four petals and four sepals; the plants are commonly called as “crucifers” or “cruciferous” for that reason.
The flowers are white, yellow, or lavender and characteristically feature four long and two short stamens and a two-chambered ovary positioned above the other flower parts.

Hence, the correct option is ‘A’</b>

Note: The fruit siliqua is a dry dehiscent fruit that is formed bicarpellary syncarpous gynoecium with replum and they are rarely lomentum.