MDCAT Biology MCQ #477

Carotenoids are accessory pigments that broaden the absorption spectrum. What is their secondary crucial role in protecting the plant?

MDCAT Biology MCQ #477

  1. Question 1

    Q1. Carotenoids are accessory pigments that broaden the absorption spectrum. What is their secondary crucial role in protecting the plant?

    • A) Primary electron donor
    • B) Water splitting
    • C) CO2 fixation
    • D) Protection from photo-oxidation

    Answer: Protection from photo-oxidation

    Explanation: Carotenoids protect chlorophyll from photo-oxidation; chlorophyll a is the primary pigment, while others are accessory.