Biology 9700 · AS & A Level · Infectious diseases

Infectious diseases — practice question

Malaria is an infectious disease that the World Health Organization classifies as an illness of global significance.
(a)[2]

Explain the meaning of the term infectious.

(b)[1]

Name one species of organism responsible for malaria.

(c(i))[1]

Explain the significance of the following statement in the control of malaria: The female Anopheles mosquito has been studied more closely for malaria than the male Anopheles mosquito.

(c(ii))[1]

Explain the significance of the following statement in the control of malaria: The infective stages of the malarial organism are found in the anti-coagulant produced by the mosquito.

(c(iii))[2]

Explain the significance of the following statement in the control of malaria: After circulating in the blood for a short time, the pathogen enters liver cells of the newly infected person and then enters red blood cells.

(d)[4]

Discuss the factors that affect the worldwide distribution of malaria.

Worked solution & mark scheme

This 11-mark question has a full step-by-step worked solution and mark scheme. One marking point: The disease is communicable/contagious/transmissible

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