MDCAT Biology MCQ #182

During peak midday sunlight, a plant prevents photo-oxidation of its primary pigments. Which accessory pigments are primarily responsible for this protective dissipation?

MDCAT Biology MCQ #182

  1. Question 1

    Q1. During peak midday sunlight, a plant prevents photo-oxidation of its primary pigments. Which accessory pigments are primarily responsible for this protective dissipation?

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

    Answer: Carotenoids

    Explanation: Carotenoids protect chlorophyll from intense light by absorbing excess energy, whereas chlorophyll a is the primary pigment for conversion.