MDCAT Biology MCQ #275

Which accessory pigments play a crucial role in protecting the photosynthetic apparatus from damage caused by excessive light energy (photo-oxidation)?

MDCAT Biology MCQ #275

  1. Question 1

    Q1. Which accessory pigments play a crucial role in protecting the photosynthetic apparatus from damage caused by excessive light energy (photo-oxidation)?

    • A) Chlorophyll a
    • B) Chlorophyll b
    • C) Carotenoids
    • D) Phycobilins

    Answer: Carotenoids

    Explanation: Carotenoids dissipate excess energy to prevent photo-oxidation; chlorophylls are the pigments being protected, not the ones doing the protecting.