NEET Sample Paper NEET Sample Test Paper-19

  • question_answer   The phenomenon which shortens the vegetative period and hastens the flowering is known as           

    A)  Etiolation                                         

    B)  Vernalization                                   

    C)  Photoperiodism                           

    D)  Parthenocarpy                              

    Correct Answer: B

    Solution :

    Russian agronomist Lysenko coined the term vernalization (1929-30). According to him vernalization may be defined as the method of inducing early flowering in plants by pre-treatment of their seeds at low temperatures. The stimulus of vernalization is perceived only by the meristematic cells such as shoot tip, embryo tips, root apex, developing leaves, etc. Hence, the correct option is [b].


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