Vidyalelo
Agriculture · Q1073

Agronomy

Graduate and Post Graduate · Agriculture · question 1073

Q1073

Brassica juncea has been evolved after hybridization between

A.
B. nigra and B. campestris
Answer
B.
B. nigra and B. oleracea
C.
B. campestris and B. oleracea
D.
B. campestris and B. carinata

Answer: Option A

Solution

Answer: Option A
Solution:
Brassica Juncea is a variety of mustard seeds, commonly known as Brown mustard, Chinese mustard, Indian Mustard, etc.
It is an amphidiploid with a chromosome number of 18. It evolved after hybridization between B. nigra (n = 8) and B. compestris (n = 10). The type of hybridization is natural interspecific hybridization.