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NEET 2018 · BiologyPrevious Year Question

Which of the following is an occupational respiratory disorder?

Answer: (B) Silicosis. Answer: (b) Silicosis Solution: Silicosis is an occupational respiratory disorder caused by long exposure to dust in industries involving grinding or stone-breaking, leading to fibrosis and lung damage.

  1. A.Botulism
  2. B.Silicosis✓
  3. C.Anthracis
  4. D.Emphysema

Correct Answer

(B) Silicosis

Solution & Explanation

Answer: (b) Silicosis Solution: Silicosis is an occupational respiratory disorder caused by long exposure to dust in industries involving grinding or stone-breaking, leading to fibrosis and lung damage. Botulism is a food-borne bacterial poisoning, anthrax is a bacterial disease, and emphysema is chiefly caused by cigarette smoking — none are dust-driven occupational lung disorders. NCERT: Ch 14, p.191, line 37 — "Occupational Respiratory Disorders: In certain industries... grinding or stone-breaking"

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