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
Maximum iron is in which nut? 
Select and explain. 
A. Pista, B. Cashew, C. Peanut, D. Walnut
A: Pista
Answer: A: Pista 
Explanation: Ans. (a) PistaRef: Park 22nded p 583