Monitoring and maintaining health

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Question 38
Medium

Diseases in humans and animals are caused by different types of pathogens.

a.

Which type of pathogen causes each of these diseases?

Use words from the list:

BacteriaFungiProtistsVirus \textbf{Bacteria} \qquad \textbf{Fungi} \qquad \textbf{Protists} \qquad \textbf{Virus} BacteriaFungiProtistsVirus
  • Malaria: ____________________
  • Tuberculosis: ____________________
[2]
b.

Malaria is caused by a pathogen that undergoes a complex life cycle in multiple hosts.

The diagram shows the life cycle and transmission pathways of this pathogen.

Malaria life cycle and transmission pathway

(i) Warm weather and the presence of standing water in the wet season cause more people to become infected with malaria.

Suggest two reasons why. Use the diagram.

  1. ________________________________________

  2. ________________________________________

[2]
c.

The pathogen reproduces using different methods at different stages.

Which type of reproduction uses meiosis to make new sporozoites in the mosquito gut?

________________________________________

[1]
d.

Health organisations focus on draining or treating pools of standing water near human settlements.

Explain why.

________________________________________

________________________________________

[2]

Monitoring and maintaining health Questions

  1. GCSE
  2. /Biology
  3. /Monitoring and maintaining health