Question

Which of the following type of spectrum is a plot of efficiency of different types of wavelengths in bringing about the photosynthesis?

• A. absorption spectrum
• B. action spectrum
• C. efficiency spectrum
• D. reflection spectrum

Answer 1

Answer:

B. action spectrum

• Action spectrum is a plot of relative rate of photosynthesis induced by lights of different wavelengths.

• The spectrum identifies wavelengths that are effective in inducing a physiological response.