Question

Which of the following light is not required for photosynthesis?

• A. Green
• B. Yellow
• C. Yellow and violet
• D. All of the above

Answer 1

Answer: (D)

All of the above

Certain red and blue wavelengths of light are the most effective in photosynthesis, because they have exactly the right amount of energy to energize or excite, electrons in chlorophyll and boost them out of their orbits to a higher energy level in the process of photosynthesis.