Disease Transmission Methods

Part of Pathogens and Disease Transmission · Section 4 of 19

DiagramUnit: Infection & ResponseGCSE

This diagram covers Disease Transmission Methods within Pathogens and Disease Transmission for GCSE Biology. Types of pathogens, how diseases spread, transmission methods, and prevention strategies It is section 4 of 19 in this topic. Focus on the labels, the relationships between parts, and the explanation that turns the diagram into an exam-ready answer.

Disease Transmission Methods

Painted 2x2 grid showing four routes of disease transmission: airborne (person sneezing droplets toward another), water (contaminated water containing pathogens), contact (hand touching contaminated surface then face), and vector (mosquito biting skin and transferring pathogens). Each route shown with distinct background tint.

Practice questions for Pathogens and Disease Transmission

What is a pathogen?

  • A. A microorganism that causes disease
  • B. A type of white blood cell
  • C. An antibody produced by the immune system
  • D. A nutrient required for growth
1 markfoundation

Explain why viruses need to infect host cells in order to reproduce.

3 marksstandard

Quick recall flashcards

What is direct transmission?
When pathogens are passed directly from one person to another through physical contact
What is a pathogen?
A microorganism that causes disease in living organisms

24 questions on Pathogens and Disease Transmission — practise free

Instant marking, adaptive difficulty and spaced-repetition flashcards — all aligned to your exam board.

Start revising free →