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
The genetically engineered 'golden rice' is rich in ? 
Select and explain. 
A. 13-carotene and magnesium, B. Folic acid and iron, C. n-carotene and iron, D. Folic acid and magnesium
C: n-carotene and iron
Answer: C: n-carotene and iron 
Explanation: Ans. is 'c' i.e., n-carotene and iron