Manipal Medical Manipal Medical Solved Paper-2003

  • question_answer
    When funicle, chalaza and micropyle lie in one straight line or lie in same longitudinal axis the ovule is called:

    A)  Anatropous   

    B)  Orthotropous

    C)  Amphitropous

    D)  Campylotropous

    Correct Answer: A

    Solution :

     In orthotropous ovule micropyle, chalaza and funicle falling in a straight line e.g., Polygonum. Anatropous ovule is most common type, in which ovule undergo a curvature of 180 (i.e., inverted ovule). In hemianatropous the ovule is T shaped e.g. Ranunculus. In campylotropous ovule is curved, e.g.  Leguminoceae.  In amphitropous embryosac becomes horse shoe shaped, e.g. Alisma.


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