MDCAT Biology MCQ #502

A plant is exposed to excessively high light intensity that could potentially cause photo-oxidation. Which accessory pigments act as a shield to protect the chlorophyll?

MDCAT Biology MCQ #502

  1. Question 1

    Q1. A plant is exposed to excessively high light intensity that could potentially cause photo-oxidation. Which accessory pigments act as a shield to protect the chlorophyll?

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

    Answer: Carotenoids

    Explanation: Carotenoids protect chlorophyll from intense light and oxidation; chlorophyll a is the primary pigment, not a protective accessory one.