Question

Correct name of Toria/Rape is –
A) Brassica campestris
B) Brassica juncea
C) Brassica nigra
D) Brassica napus

Answer 1

All the above mentioned options belong to family Brassicaceae i.e. cruciferae,
is a medium-sized and economically important family of flowering plants commonly known as the crucifers, the mustards, or the cabbage family.

Complete answer:
A) Brassica composites – The common name of Brassica composters is mustard. It belongs to the family Brassicaceae. Seeds entrusted from mustard are used as spice and also be used as soil (mustard oil). Also the edible leaves can be eaten as mustard greens. It groves well in temperate regions. Major producers of mustard seeds include India, Pakistan, Canada, Nepal, Hungary, Great Builtasm and the United States. Mustard seeds are a rich source of oil and proteins.

B) Brassica juncea: Commonly known as Brown Mustard Brassica juncea is originally from the foothills of the Himalaya, is grown commercially in India, Canada, US, Denmark and the United Kingdom. Leaves, seeds and stems of this mustard variety are edible. They are grown for seeds and greens.

C) Brassica nigra: Commonly known as Blank mustard. It is a tropical region of North Africa, temperate regions of Europe and parts of Asia.

D) Brassica Napus: Commonly known as Rape/Toria. It is cultivated for oil – rich seeds. Rapeseed is the third – largest service of vegetable oil and second largest source of protein in the world.

The correct option is D.

Note: (i) Brassicaceae family plants are generally cultivated for the oil production and to be used as spice.
(ii)Vegetable groves sometimes grove mustard as a green manure.
(iii)Mustard plants are used in phytoremediation to remove heavy metals such as lead, as it has higher tolerance for these substances; its cells particularly Brassica juncea are effective in removing cadmium from the soil.