Question

Choose the correct pair.
$\begin{array}{cc}\text{Disease}& \text{Mode of transmission}\\ \left(A\right)\text{AIDS}& \text{Through sexual intercourse}\\ \left(B\right)\text{Malaria}& \text{Through droplet infection}\\ \left(C\right)\text{Hepatitis A and B}& \text{Through protozoa}\end{array}$

• A. A only
• B. A and B
• C. A and C
• D. B only

Answer 1

The correct option is A A only

• Malaria is a protozoan disease. It is caused by Plasmodium species. The disease is transmitted by the bite of an infected female Anopheles mosquito (vector).
• Hepatitis A is caused by Hepatitis A virus. It is transmitted through infected food, water, clothes and faeces.
• Hepatitis B is caused by Hepatitis B virus. It is transmitted by infected food and blood products (plasma) or by medical instruments contaminated by infected blood.
• AIDS, on the other hand is caused by HIV virus. It is transmitted by having unprotected sexual intercourse with the infected individual, or from an infected mother to the infant during breast feeding, or by the use of contaminated needles or syringes.