MDCAT Biology MCQ #321

A graph plotting the relative effectiveness of different wavelengths in driving photosynthesis is known as:

MDCAT Biology MCQ #321

  1. Question 1

    Q1. A graph plotting the relative effectiveness of different wavelengths in driving photosynthesis is known as:

    • A) Absorption spectrum
    • B) Electromagnetic spectrum
    • C) Action spectrum
    • D) Emission spectrum

    Answer: Action spectrum

    Explanation: Action spectra show functional effectiveness of wavelengths. Absorption spectra are tempting as they only measure light absorbed by specific pigments.