Controlling Entry of Light MCQs Quiz Online PDF Download

Practice controlling entry of light MCQs, O level biology MCQ test for online learning. Co-ordination and response animal receptor organs quiz has multiple choice questions (MCQ), controlling entry of light quiz questions and answers to practice as in dim light, circular muscles, answer key help with choices as contract, relax, denature and inactivate problem solving for viva, competitive exam preparation, interview questions. Free study guide is for online learning controlling entry of light quiz with MCQs to practice test questions with answers.

MCQs on Controlling Entry of Light Quiz PDF Download

MCQ. In dim light, the circular muscles

  1. contract
  2. relax
  3. denature
  4. inactivate


MCQ. If the surrounding light intensity is low

  1. the pupil becomes large
  2. the pupil contracts
  3. the pupil shrinks
  4. the pupil relaxes