MDCAT Biology MCQ #492

Carotenoids are accessory pigments that protect chlorophyll from over-oxidation. Which part of the visible spectrum do they primarily absorb?

MDCAT Biology MCQ #492

  1. Question 1

    Q1. Carotenoids are accessory pigments that protect chlorophyll from over-oxidation. Which part of the visible spectrum do they primarily absorb?

    • A) Red and Orange
    • B) Green and Yellow
    • C) Blue-violet
    • D) Infrared

    Answer: Blue-violet

    Explanation: Carotenoids absorb blue-violet light (400-500nm) and provide photoprotection; they do not absorb red light efficiently like chlorophylls.