Biology 0610 · IGCSE · Sense organs

Sense organs — practice question

Which structure regulates how much light enters the eye?

  • Acornea
  • Biris
  • Clens
  • Dretina

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