question_answer 13)

  Which light range is most effective in photosynthesis? (a) Blue                                (b) Green                            (c) Red                                  (d) Violet

Answer:

                  (c) light is most effective in photosynthesis. In other lights namely blue and violet the photosynthesis takes place but the rate is slow, whereas in green light the photosynthesis is least because plants do not absorb this range of light reflect back thus, they appear green.