Plant Kingdom


  1. Which of the following is true about bryophytes?









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    Bryophytes are non vascular embryophytes characterized by the presence of an independent gametophyte and a parasitic sporophyte. Plant body is either thalloid or foliose. Archegonium is the flask shaped female sex organ. They bear chloroplast.

    Correct Option: D

    Bryophytes are non vascular embryophytes characterized by the presence of an independent gametophyte and a parasitic sporophyte. Plant body is either thalloid or foliose. Archegonium is the flask shaped female sex organ. They bear chloroplast.


  1. Bryophytes comprise









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    In bryophytes, the dominant and independent living phase of the life cycle is gametophyte. Sporophyte is always attached and dependent upon the gametophytic plant body for water supply, fixation, and part or whole nutrient requirement.

    Correct Option: D

    In bryophytes, the dominant and independent living phase of the life cycle is gametophyte. Sporophyte is always attached and dependent upon the gametophytic plant body for water supply, fixation, and part or whole nutrient requirement.



  1. The antherozoids of Funaria are









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    Antherozoids of Funaria bear two flagella at anterior end and is spirally coiled.

    Correct Option: B

    Antherozoids of Funaria bear two flagella at anterior end and is spirally coiled.


  1. Sexual reproduction in Spirogyra is an advanced feature because it shows









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    Sexual reproduction in Spirogyra occurs by conjugation involving union of two gametes. The fusing gametes are similar but one is more active and passes onto the other cell. This differentiation of gametes is called physiological anisogamy.

    Correct Option: A

    Sexual reproduction in Spirogyra occurs by conjugation involving union of two gametes. The fusing gametes are similar but one is more active and passes onto the other cell. This differentiation of gametes is called physiological anisogamy.



  1. Which of the following propagates through leaf- tip?









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    In mosses vegetative propagation occurs by fragmentation. Marchantia is a liverwort in which propagation also occurs by fragmentation. Walking fern Adiantum propagates through leaf tip.

    Correct Option: A

    In mosses vegetative propagation occurs by fragmentation. Marchantia is a liverwort in which propagation also occurs by fragmentation. Walking fern Adiantum propagates through leaf tip.