Question

2. What are the causes and symptoms of malaria,
chicken pox and tuberculosis? How can these
diseases be prevented ?​

Answer 1

Answer:

Causes, symptoms and preventive measures for the diseases are as follows

Name of the disease Causative agent Symptoms Preventive measures

Malaria Plasmodium

High fever.

Chills.

Profuse sweating.

Nausea.

Vomiting.

Fatigue.

Body pain.

Severe headache.

Avoid mosquito bites

using mosquito

repellants and nets.

Avoid being around stagnant water.

Chicken pox Varicella zoster

Rashes near the back and the chest eventually spreading to arms, face, legs and head.

Vaccination of live attenuated vaccine having Varicella to children.

Tuberculosis Mycobacterium tuberculosis

Afternoon fever.

Persistent cough.

Weight loss.

Blood in mucous.

Chest pain.

Fatigue

BCG vaccination.

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Answer 2

Answer:

Malaria = it is caused due to bite of infected mosquitoes and causative pathogen is protozoan, it can be prevented by a check breeding of mosquitoes.

Chicken pox = it is caused due to physical contact with the infected person, air, the causative pathogen is virus, it can be prevented by vaccination .

Tuberculosis.= infected through air , causative pathogen is bacteria and can be prevented by vaccination.