Biology 0610 · IGCSE · Selection

Selection — practice question

A few disease-causing bacteria are able to remain alive after an antibiotic has been used. Which of the following statements about these surviving bacteria is correct?

  • AThe antibiotic will work better on the next generation of bacteria.
  • BThe bacteria have undergone a process of natural selection.
  • CThe bacteria will now be resistant to all antibiotics.
  • DThe resistance of the bacteria is a result of selective breeding.

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