Which of the following wavelengths of light is least effective for photosynthesi

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Question: Which of the following wavelengths of light is least effective for photosynthesis? (2020)

Options:

Correct Answer: Green light

Exam Year: 2020

Solution:

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

Which of the following wavelengths of light is least effective for photosynthesis? (2020)

Which of the following wavelengths of light is least effective for photosynthesis? (2020)

Step 1: Understand that photosynthesis is the process plants use to convert light into energy.
Step 2: Know that different colors of light have different wavelengths.
Step 3: Learn that chlorophyll, the green pigment in plants, absorbs certain wavelengths of light for photosynthesis.
Step 4: Identify that chlorophyll absorbs blue and red light very well but does not absorb green light effectively.
Step 5: Conclude that since green light is mostly reflected and not absorbed, it is the least effective for photosynthesis.

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