MDCAT Biology MCQ #501

Spectrophotometric analysis of a leaf extract shows distinct absorption peaks for chlorophylls. In which two color regions of the visible spectrum are these peaks most prominent?

MDCAT Biology MCQ #501

  1. Question 1

    Q1. Spectrophotometric analysis of a leaf extract shows distinct absorption peaks for chlorophylls. In which two color regions of the visible spectrum are these peaks most prominent?

    • A) Green and Yellow
    • B) Orange and Violet
    • C) Yellow and Indigo
    • D) Blue and Red

    Answer: Blue and Red

    Explanation: Chlorophyll a and b show peak absorption in blue and red; green light is reflected or transmitted, explaining the green color.