Which wavelength of light is least effective for photosynthesis? (2022)

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Question: Which wavelength of light is least effective for photosynthesis? (2022)

Options:

Correct Answer: Green light

Exam Year: 2022

Solution:

Green light is least effective for photosynthesis because it is mostly reflected by chlorophyll.

Which wavelength of light is least effective for photosynthesis? (2022)

Which wavelength of light is least effective for photosynthesis? (2022)

Step 1: Understand that photosynthesis is the process plants use to convert light into energy.
Step 2: Know that chlorophyll is the green pigment in plants that absorbs light for photosynthesis.
Step 3: Learn that chlorophyll absorbs light most effectively in the blue and red wavelengths.
Step 4: Recognize that green light is not absorbed well by chlorophyll.
Step 5: Conclude that since green light is mostly reflected and not absorbed, it is the least effective for photosynthesis.

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