Maximum photosynthesis can occur when:

Correct answer: B. Red light is given to the plant

  • A. Blue light is given to the plant
  • B. Red light is given to the plant
  • C. Green light is given to the plant
  • D. Yellow light is given to the plant

Explanation

Red light is more effective in photosynthesis because both the photosystems absorb light of wavelengths between 680 and 700 nm, respectively. So, option B is correct.

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