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
Vitamin B12 is not found in - 
Select and explain. 
A. Soyabean, B. Milk, C. Meat, D. Fish
A: Soyabean
Answer: A: Soyabean 
Explanation: Vitamin B-12 is not found in foods of vegetable orgin.REF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 620