This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
Which cooking oil bast most PUFA? 
Select and explain. 
A. Safflower oil, B. Coconut oil, C. Butter, D. Vanaspati
A: Safflower oil
Answer: A: Safflower oil 
Explanation: Ans. is 'a' i.e., Safflower oil