Which one is a oil-yielding plant among the following?​

1. 
   Sunflower
2. 
   Lentil
3. 
   Cauliflower
4. Hibiscus

The correct option is A
Sunflower
​ Correct option: (b)

• Sunflower is an example of an oil-yielding plant.
• ​ It is the seeds of sunflower from which oil is extracted in oil mills and the remains of oil seeds are used to form oil cakes.​