Question

A person is suffering from chest pain, breathlessness, loss and produces blood stained sputum
i) Name the disease and its causative agent
ii) Mention two means of its transmission
iii) Name the vaccine used to prevent this disease
iv) Who discovered this disease
Class 9
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Answer 1

Answer:

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Explanation:

If a person is suffering from chest pain, breathlessness, loss of body weight, persistent cough and produces blood stained sputum, then he/she is likely to suffer from Tuberculosis.

Causative agent: Mycobacterium tuberculosis

Modes of transmission: Through air, dust or the sputum of an infected person

Bacille Calmette-Guérin (BCG) is a vaccine for tuberculosis (TB) disease.

Robert Koch