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
Silicosis can be controlled by: September 2004 
Select and explain. 
A. Effective implementation of factories act, B. Rigorous dust control, C. Adequate personal hygiene, D. BCG vaccination
B: Rigorous dust control
Answer: B: Rigorous dust control 
Explanation: Ans. B i.e. Rigorous dust control