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CAIE A-Level Biology AS 10.1.1 Pathogens and Infectious Disease Questions

Explain pathogens and how they cause infectious disease using evidence from each question and mark scheme.

Syllabus
2028–2030
Course
Biology 9700
Level
AS

Exam points

  • Explain what pathogens are and how they cause infectious disease.

CAIE A-Level Biology AS 10.1.1 Pathogens and Infectious Disease Questions question 1

[Maximum number: 1]

Which statement correctly describes infectious diseases?

A

They are diseases caused by environmental factors that are not passed from one person to another.

B

They are diseases caused by a fault in the DNA that can be passed from a parent to their offspring.

C

They are diseases caused by a lack of a nutrient in the diet, such as a vitamin or mineral.

D

They are diseases caused by a pathogen such as a bacterium, fungus, protoctist or virus.

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