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    3.

    Polyphyletic groups are problematic in taxonomy because they:

    A

    Include all descendants of a common ancestor.

    B

    Include the most recent common ancestor and all its descendants.

    C

    Do not include the most recent common ancestor of all members.

    D

    Represent a single evolutionary lineage.

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    4.

    Taxonomic hierarchy refers to

    A

    Stepwise arrangement of all categories for classification of plants and animals

    B

    A group of senior taxonomists, who decide the nomenclature of plants and animals

    C

    A list of botanists or zoologists, who have worked on taxonomy of a species or group

    D

    Classification of a species based on fossil record

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    5.

    Two plants can be conclusively said to belong to the same species if they

    A

    Can reproduce freely with each other and form seeds

    B

    Have more than 90 percent similar genes

    C

    Look similar and possess identical secondary metabolites

    D

    Have same number of chromosomes.

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