Biology 0610 · IGCSE · Hormones

Hormones — practice question

Which row indicates the effects of adrenaline secretion?

  • Apupil diameter decreases, heart rate decreases
  • Bpupil diameter decreases, heart rate increases
  • Cpupil diameter increases, heart rate decreases
  • Dpupil diameter increases, heart rate increases

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