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Natural Resources — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceNatural Resources3 Marks
Question
Name three occupational diseases caused due to air pollution. Also mention their causative factors.
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Answer

  1. Asbestosis occurs due to inhalation of asbestos dust that is used in making ceilings. Asbestos is also a cancer causing agent.
  2. Silicosis occurs due to inhalation of free silica $\mathrm{SiO}_2$ while working in ceramic industries.
  3. Byssinosis caused by inhalation of cotton fibres, is a respiratory disease wherein pulmonary ways narrow resulting in bronchitis.

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