Biology 9700 · AS & A Level · Infectious diseases

Infectious diseases — practice question

The diagrams illustrate some of the pathogens that cause disease in humans and some of the ways they are passed on. Which pathogen and method of transmission are correct for TB?

  • A1 and W
  • B1 and X
  • C2 and X
  • D3 and Y

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI