NEET 2001 Biology question

Reason of lung cancer : -

(1)Coal mining
(2)Calcium fluoride
(3)Cement factoryCorrect
(4)Bauxite mining

Answer: (3)

Solution

Prolonged inhalation of fine mineral and industrial dusts (asbestos, silica and cement dust) irritates and injures the lung epithelium and is associated with fibrosis and lung cancer; workers in cement factories are exposed to such dust, so the

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Question ID VK-088885