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Bronchitis is a disease of ?

  • Blood
  • Bladder
  • Respiratory tract
  • Liver

Answer: Option C

Similar Questions :

1. Pigmentation of skin is due to :

  • leucocytes
  • lymphocytes
  • monocytes
  • melanocytes

Answer: Option D

2. Plants absorb dissolved nitrates from soil and convert them into :

  • Free nitrogen
  • Urea
  • Proteins
  • Ammonia

Answer: Option A

3. The disease caused by deficiency of protein in children is called

  • Pellagra
  • Marasmus
  • Beri-Beri
  • Rickets

Answer: Option B

4. Who invented Vitamin ?

  • F.G. Hopkins
  • Mc. Collum
  • Holst
  • Ronald Ross

Answer: Option A

Explanation:

Mc. Collum invented Vitamin A, Vitamin B and Vitamin D

Holst invented Vitamin C

Ronald Ross invented Malaria parasite and treatment.

5. Which one of the following air pollution can affect blood stream leading to death ?

  • Cadmium
  • Asbestos dust
  • Carbon monodioxide
  • Lead

Answer: Option C

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