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    science
    Grade-2
    Easy

    Question

    The figure shows an experiment. The plant is responding to:

    1. Torch
    2. Sunlight
    3. Gravity
    4. Water

    hintHint:

    Photoperiodism ie the time period of light that a plant need for flowering

    The correct answer is: Sunlight

      • This is called photoperiodism. They set their flower buds at night so they need more than 12 hours of darkness.
      • Some plants are so sensitive to light that even a short blink of light will prevent them from setting buds. 

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