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NEET Biology Plant Growth and Development / पौधे की वृद्धि और विकास Question Bank Photoperiodism and Vernalization

  • question_answer
    If a tree flowers thrice in a year (October, January and July) in Northern India, it is said to be [CBSE PMT 1997]

    A) Photosensitive but thermo-insensitive

    B) Thermosensitive but photo-insensitive

    C) Photo and thermo-insensitive

    D)  Photo and thermosenitive

    Correct Answer: B

    Solution :

      Since flowering can take place during any part of the year therefore the plant is not senstitive to photoperiod.


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