Class 9 Biology Study App (Android & iOS) | Vitamins Quiz e-Book PDF

Class 9 Biology MCQs (Grade 9) From Textbook

Class 9 Biology MCQs – Certification Test 588

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MCQ 588: The protein which combines with proteins to form rhodopsin in rod cells of eye retina is:

  1. glycerol
  2. insulin
  3. pepsin
  4. opsin

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