Which of the following wavelength is least effective in photosynthesis?
Correct answer: B. Green light
- A. Red light
- B. Green light
- C. Blue light
- D. Violet light
Explanation
The correct answer is green light because it is mostly reflected, not absorbed, by plants, making it the least effective in photosynthesis. Red and blue light are absorbed well by chlorophyll, making them more effective in the photosynthetic process. Violet light, like blue light, is also absorbed efficiently and contributes significantly to photosynthesis.
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