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
Nitric acid test is used for ? 
Select and explain. 
A. Lathyrism, B. Argemone oil, C. Aflatoxin, D. BOAA
B: Argemone oil
Answer: B: Argemone oil 
Explanation: Ans. is 'b' i.e., Argemone oil