Brassica juncea has been evolved after hybridization between

A. B. nigra and B. campestris

B. B. nigra and B. oleracea

C. B. campestris and B. oleracea

D. B. campestris and B. carinata

Answer: Option A

Solution(By Examveda Team)

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.