Question

Analogy type questions.
1. Poliomyelitis: Poliovirus:: AIDS: —————
2. Chickenpox: Direct contact::Tuberculosis: —————-
3. Typhoid: Alimentary canal:: Japanese encephalitis:—————.
4. Mosquitoes: Stagnant water:: Hepatitis virus: ———————-.
5. General effects: Fever:: Local effects: —————-.

Answer 1

1. HIV

2.Air

3.Nervous system

4.pathogens

5.rashes

Answer 2

1. HIV
2. Air
3. Central nervous system
4. Contaminated water
5. Inflammation, rashes

• Poliomyelitis is caused by the poliovirus.
• HIV (Human Immunodeficiency Virus) causes AIDS.

• Chickenpox is transmitted through direct contact.
• Tuberculosis spread through the air.

• Typhoid affects the alimentary canal.
• Japanese encephalitis affects the Central nervous system including, the spinal cord, brain.

• Mosquitoes in stagnant water are the reason for the spreading of various infections.
• Hepatitis virus spreads through contaminated water. 5 types of Hepatitis viruses are there. Type A and E spread through contaminated water.

• Fever is one of the general effects. It occurs due to the presence of pathogens in the body.
• Local effects are inflammation, rashes etc. It is the effects that occur in a particular site of infection.