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Factors Affecting Photosynthesis

Which colour ...

Question

Which colour of light gives maximum absorption peak of chlorophyll a

A

Red

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B

Blue

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C

Green

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D

Yellow

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Solution

The correct option is B Blue
Chlorophyll is essential in photosynthesis, allowing plants to absorb energy from light. Chlorophyll absorbs light most strongly in the blue portion of the electromagnetic spectrum, followed by the red portion. So, blue colour of light gives maximum absorption peak of chlorophyll a.

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Factors Affecting Photosynthesis

Standard XII Biology

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