MDCAT Biology MCQ #380

During a laboratory experiment, a plant is exposed to light with a wavelength of 500 nm. Which pigment is primarily responsible for absorbing light in this green-yellow region?

MDCAT Biology MCQ #380

  1. Question 1

    Q1. During a laboratory experiment, a plant is exposed to light with a wavelength of 500 nm. Which pigment is primarily responsible for absorbing light in this green-yellow region?

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

    Answer: Carotenoids

    Explanation: Carotenoids absorb light in the 500-600 nm range; Chlorophyll a and b primarily absorb blue and red light, reflecting green.