Question

Name any four non-infectious diseases and their causes.

Concise Biology Class IX By H.S. Vishnoi CHAPTER 17-DISEASES:CAUSE AND CONTROL

Answer 1

Noninfectious diseases generally do not spread and they are caused owing to the genetics, environmental factors or deficiencies in nutrition.

1. Diabetes - hormonal disease that occurs due to less production of insulin
2. Sickle-cell anaemia is a genetic disease caused due to mutation in gene carrying haemoglobin
3. Hypothyroidism is a hormonal disease caused due to less production of thyroid hormone
4. Atherosclerosis caused due to fat deposition in arteries

Answer 2

Answer: The four main types of noncommunicable diseases include cardiovascular disease, cancer, chronic respiratory disease, and diabetes.

Poor diet and physical inactivity can cause increased:

blood pressure.

blood glucose.

blood lipids.

obesity

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