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 millet rich in calcium is - 
Select and explain. 
A. Rice, B. Ragi, C. Jowar, D. Bajra
B: Ragi
Answer: B: Ragi 
Explanation: Calcium content of ragi is 344.0 per 100gram.And that if bajra is 42.0 and of jowar is 25.0.(Ref.PARK'S textbook of social and preventive medicine 21st edition page no.579 table 18)