NEET Botany Light Reaction MCQ Question
Which of the following statements about the light reaction of photosynthesis is correct?
Chlorophyll a absorbs blue and red light effectively.
Only chlorophyll b participates in the absorption of light.
The light reaction occurs exclusively in the roots of the plant.
ATP is synthesized without the involvement of a proton gradient.
Correct Answer
Detailed Explanation
Chlorophyll a is known to absorb light effectively in the blue and red wavelengths, making option A correct. The other options contain misconceptions about the roles of pigments, the location of the light reaction, and the necessity of a proton gradient for ATP synthesis.
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