Punjab Medical Punjab - MET Solved Paper-2008

  • question_answer
    The highest advanced family is

    A)  Cruciferae         

    B)  Cucurbitaceae

    C)  Compositae     

    D)  Euphorbiaceae

    Correct Answer: C

    Solution :

    Some taxonomists believed that Compositae is highly advanced family due to (i) Cosmopolitan distribution (ii) Herbaceous nature (iii) Capitulum inflorescence (iv) Large sized flowers in a small place, which are adapted by easy insect pollination. (v) Presence of two types ie, zygomorphic and actinomorphic flowers. (vi) Presence of bisexual as well as unisexual flowers. (vii) Presence of pappus (modified calyx). (viii) Fused (gamopetalous) corolla. (ix) Anthers are fused (syngenesious) and nature before carpels (protandry). (x) Presence of basal placentation, inferior ovary, reduction in carpel. (xi) Cypsela fruit. (xii) Diverse mechanism of seed dispersal.


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