Q. Pneumoconiosis is caused by in halation of
A) Coal dust
B) Silica dust
C) Cotton fibre dust
D) Asbestos dust
Explanation
(a)
Pneumoconiosis is caused by in halation of coal dust
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.