McqMate
| Q. |
Which one of the following wavelengths of light is most effective in photosynthesis? |
| A. | Blue |
| B. | Green |
| C. | Orange |
| D. | Yellow |
| Answer» A. Blue | |
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Explanation: Photosynthesis, process by which green plants and certain other organisms use the energy of light to convert carbon dioxide and water into the simple sugar glucose. The wavelength most effective in conducting photosynthesis is 420nm. Actually, 420nrn is on the blue side of the spectrum, which makes up between 1 and 10% of the light needed for photosynthesis. |
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