A photosynthetic action spectrum plots measurements of
A) the relative rate of photosynthesis as a function of time.
B) the relative rate of photosynthesis as a function of wavelength.
C) the relative absorption of light as a function of wavelength.
D) the relative absorption of light as a function of time.
E) the relative absorption of light of a chlorophyll molecule as a function of wavelength.

Question

Quizplus · Accepted Answer

A photosynthetic action spectrum plots the relative rate of photosynthesis as a function of wavelength. It shows the effectiveness of different wavelengths of light in driving photosynthesis. The spectrum is typically bell-shaped with peaks in the blue and red regions of the visible spectrum, corresponding to the absorption spectra of chlorophyll and other photosynthetic pigments.

A Photosynthetic Action Spectrum Plots Measurements of