MDCAT Biology MCQ #328

A plant is exposed to intense light. Carotenoids help protect the chlorophyll by:

MDCAT Biology MCQ #328

  1. Question 1

    Q1. A plant is exposed to intense light. Carotenoids help protect the chlorophyll by:

    • A) Absorbing green light
    • B) Fixing carbon dioxide
    • C) Preventing photo-oxidation
    • D) Splitting water

    Answer: Preventing photo-oxidation

    Explanation: Carotenoids dissipate excess light to prevent damage. Chlorophyll is tempting because it is the molecule actually being protected from oxidation.