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During photosynthesis, which light is least effective?

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in Biology – Class 11 by (272k points)
During photosynthesis, which light is least effective?

(a) Greenlight

(b) Sunlight

(c) Yellow light

(d) Blue light

I got this question in an international level competition.

Query is from Photosynthesis Basics topic in portion Photosynthesis in Higher Plants of Biology – Class 11

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The correct answer is (a) Greenlight

For explanation: Greenlight is the least effective among the following. Greenlight is reflected by green leaves, so cannot be absorbed. But blue light gives maximum absorption peak of chlorophyll and is most effective.

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