AIIMS AIIMS Solved Paper-1999

  • question_answer
    Bryophytes do not possess:

    A)  vascular tissue                 

    B)         gametophyte

    C)         alternation of generation

    D)         spores

    Correct Answer: A

    Solution :

    Bryophyta is a group of plants which have following characteristics: (i) Thalloids plant body, (ii) Absence of vascular tissue, (iii) Main plant body gametophytic (iv) Oogamous type of sexual reproduction, (v) Sex organs are surrounded by layer of sterile jacket cells, (vi) Sporophyte depends for food on gametophyte, (vii) Spores are produced by sporophyte, (viii) water is essential for sexual reproduction, (ix) Distinct alternation of two generations.


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