MDCAT Biology MCQ #431

Carotenoids are accessory pigments that expand the absorption spectrum, but they show an anomaly by failing to absorb light in the:

MDCAT Biology MCQ #431

  1. Question 1

    Q1. Carotenoids are accessory pigments that expand the absorption spectrum, but they show an anomaly by failing to absorb light in the:

    • A) Red region
    • B) Blue region
    • C) Violet region
    • D) Blue-green region

    Answer: Red region

    Explanation: Carotenoids absorb blue-violet light, not red. Chlorophyll a is tempting because it absorbs strongly in the red region.