1.

Define the terms infection, pathogen, incubatioperiod and allergern2. What are the different ways in which infectiousdiseases can spread ?ame any four non-infectious diseases and theircauses.

Answer»

1. Diabetes - hormonal disease that occurs due to less production of insulin2. Sickle-cell anaemia is a genetic disease caused due to mutation in gene carrying haemoglobin3. Hypothyroidism is a hormonal disease caused due to less production of thyroid hormone4. Atherosclerosis caused due to fat deposition in arteries

Which preparation used for throat infection



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