This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition and health, Subject name: Social & Preventive Medicine
The highest concentration of Vitamin A is seen in - 
Select and explain. 
A. Polar bear liver, B. Cod luver oil, C. Shark liver oil, D. Papaya
B: Cod luver oil
Answer: B: Cod luver oil 
Explanation: Cod liver oil contain 18000microgram per 100g.papaya contain only 118microgram.REF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 615)