• question_answer
                Bryophytes are dependent on water because:                                                                                     

    A)              archegonium has to remain filled with water for fertilization

    B)              water is essential for fertilization for their homosporous nature

    C)              water is essential for their vegetative propagation

    D)              the sperms can easily reach upto egg in the archegonium

    Correct Answer: D

    Solution :

                Bryophyta is a group of cryptogams. Main plant body of bryophytes is gametophytic (haploid). It bears male and female sex organs. The antherozoids (sperms) of bryophytes are flagellated (motile) and need a film of water to swim through for reaching the archegonium.

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