IB Biology SL C3.2.1 Pathogens Cause Infectious Diseases Questions

Explore disease-causing pathogens across bacteria, viruses, fungi, protists and parasites, then trace toxin, transmission and symptom evidence in cholera, food poisoning and other infections in IB Biology SL C3.2.1.

Exam points

Define a pathogen as a disease-causing organism or virus, and identify bacteria, viruses, fungi, protists or parasites as pathogen types when shown in exam evidence.
Use named pathogen examples such as Vibrio cholerae, Helicobacter pylori, Salmonella, Chlamydia, Streptococcus or Plasmodium to link infection with transmission, toxins, symptoms or disease effects.

[Maximum number: 1]

Define pathogen.

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IB Biology SL C3.2.1 Pathogens Cause Infectious Diseases Questions question 1