Manipal Medical Manipal Medical Solved Paper-2015

  • question_answer
                                                                              Which of the following statements is correct for pollen tube?

    A) It shows chemotactic movement

    B) It shows only growth

    C) It is composed of three non-cellular zones

    D) It shows radial cytoplasmic streaming

    Correct Answer: A

    Solution :

    The movement of pollen tube towards embryo sac through style is chemotatic as it secretes pectinases and other hydrolytic enzymes to create passage for its entry units style.


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