1.1. Malaria is an infectious disease that is spread by an insect vector.

(i) Define the term vector.

[2]

(ii) State the specific type of organism that acts as a vector for the spread of malaria.

[1]

1.2. Other than the vector mentioned at part (a)(ii), identify two possible methods of transmission of malaria.

1.3. One of the ways to reduce the spread of malaria is to avoid being bitten by the insect vector mentioned at part (a)(ii).

State two ways in which this can be achieved.

1.4. Despite global efforts to eradicate malaria, there are still countries where the disease is prevalent.

Give one reason why malaria has not been eradicated globally.