Which crop is used for the production of 'Oil and Fibre' both?

Correct option is D

· Correct answer: (d) Linseed
· Linseed (Linum usitatissimum) is used for the production of both oil (linseed oil) and fiber (flax fiber).
Other options:
· (a) Castor: Used primarily for oil, not fiber.
· (b) Jute: Used primarily for fiber, not oil.
· (c) Mesta: Used for fiber but not for oil.