Absorption vs Action Spectrum — NEET Biology
📚 Practice ConceptNow look at showing the wavelengths at which maximum photosynthesis occurs in a plant. Can you see that the wavelengths at which there is maximum absorption by chlorophyll a, i.e., in the blue and the red regions, also shows higher rate of photosynthesis. Hence, we can conclude that chlorophyll a is the chief pigment associated with photosynthesis. But by looking at can you say that there is a complete one-to-one overlap between the absorption spectrum of chlorophyll a and the action spectrum of photosynthesis?
Assertion (A): Chlorophyll a is the primary pigment in photosynthesis. Reason (R): Chlorophyll b and carotenoids act as accessory pigments.
View solution & NCERT explanation
Correct answer: A — Both A and R are true, and R is the correct explanation of A
Chlorophyll a is directly involved in the photochemical reactions of photosynthesis, while others transfer energy to it.
What does NCERT say about Now look at showing?
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