60. Persons working in cement plants and lime stone quarries are prone to disease like A.Cancer B.Asthma C.Silicosis D.Pneumoconiosis
Answer: Option C Solution: Silicosis is caused due to lung fibrosis caused by the inhalation of dust containing silica. Since the person is working in cement plants and limestone quarries and cement is made up of silica, lime, alumina etc. so, the person is most affected or prone to the disease known as Silicosis.