Biology 0610 · IGCSE · Diseases and immunity

Diseases and immunity — practice question

In what direct manner can a pathogen be transmitted?

  • Aby contact with contaminated air
  • Bby contact with contaminated blood
  • Cby contact with contaminated food
  • Dby contact with contaminated surfaces

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