Start learning →

How many kinds of cone photopigment does the human eye have?

AThree
BSeven
CEight
DSixty
Answer & Solution
Correct answer: A. Three
1. Each kind favours one band of light. 2. Together they cover the visible range. 3. There are three. _Source: OpenStax Anatomy and Physiology 2e, Chapter 14, Special Senses._
Practise this question with Quill — BOptom (Optometry) →

Keep practising Special Senses

Browse all Special Senses questions for BOptom (Optometry), or explore more Biology topics.

Start a Special Senses lesson →
Related questions