Cabbage, cauliflower, broccoli, knol-knol are ______?

Cabbage, cauliflower, broccoli, knol-knol are ______?

بند گوبھی، گوبھی، بروکولی، نول-نول ______ ہیں؟
Explanation

Cole crops is also known as brassicas.

They are a group of vegetables belonging to the Brassicaceae family.

Including cabbage, cauliflower, broccoli, and knol-khol (kohlrabi).