Human Health and Diseases Question 79

79. Reason of lung cancer

[2001]

(a) Asbestos

(b) Calcium fluoride

(c) Cement factory

(d) Bauxite mining

Show Answer

Answer : a

Hints & Solutions

(a) Asbestos fibres present in atmosphere due to industrial emission cause lung cancers (asbestosis).



NCERT Chapter Video Solution

Dual Pane