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
Which one of the following pulses has the highest content of iron - 
Select and explain. 
A. Bengal gram, B. Black gram, C. Red gram, D. Soyabean
D: Soyabean
Answer: D: Soyabean 
Explanation: Soya beans contain 10.4g of iron. REF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 628