MDCAT Biology MCQ #402

A greenhouse owner uses a filter that only allows green light to reach the plants. Why does plant growth significantly slow down?

MDCAT Biology MCQ #402

  1. Question 1

    Q1. A greenhouse owner uses a filter that only allows green light to reach the plants. Why does plant growth significantly slow down?

    • A) Blue light
    • B) Red light
    • C) Green light
    • D) Violet light

    Answer: Green light

    Explanation: Chlorophyll reflects green light, making it ineffective for photosynthesis. Blue light is wrong because it is highly absorbed and effective.