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Question

Light saturation point for shade plants is at how much percent of full sunlight?


A

90%

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B

10%

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C

50%

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D

100%

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Solution

The correct option is B

10%


The light intensity at which a plant reaches the maximum photosynthesis rate is known as the light saturation point. This is about 10% of full sunlight for shade plants, 50-70% of full sunlight for C3 sun plants and up to 200% for C4 sunplants.


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