controlling entry of light into eye

mcqspedia.com has 2 Question/Answers about Topic controlling entry of light into eye

If surrounding light intensity is low

If surrounding light intensity is low
  • A. pupil becomes large
  • B. pupil contracts
  • C. pupil shrinks
  • D. pupil relaxes
  • Correct Answer: Option A

In dim light, circular muscles

In dim light, circular muscles
  • A. contract
  • B. relax
  • C. denature
  • D. inactivate
  • Correct Answer: Option B