MDCAT Biology MCQ #424

A botanist measures the rate of photosynthesis across different wavelengths. Which color shows an anomalous 'dip' in the action spectrum?

MDCAT Biology MCQ #424

  1. Question 1

    Q1. A botanist measures the rate of photosynthesis across different wavelengths. Which color shows an anomalous 'dip' in the action spectrum?

    • A) Blue light
    • B) Red light
    • C) Green light
    • D) Violet light

    Answer: Green light

    Explanation: Green light is reflected/transmitted, not absorbed. Red light is tempting because it is highly effective, unlike the ineffective green light.