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Why Do We Fall — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceWhy Do We Fall1 Mark
Question

A communicable disease is caused by:

  1. Metabolic disorder.
  2. Allergy.
  3. Pathogen.
  4. Hormonal balance.
✓

Answer

  1. Pathogen.

Explanation:

There are many ways a communicable disease can spread. It can spread through exchange of body fluids like blood, tattoos or direct or indirect contact like skin, mouth, nose cough or cold.

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