Anatomy of Flowering Plants


  1. Meristematic tissue responsible for increase in girth of tree trunk is









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    Lateral meristems are meristems which occur parallel to the circumference of the organs in which they develop. They undergo periclinal divisions producing secondary tissues on the outer and inner sides and increase the girth of the plant organs. Examples are vascular cambium and corkcambium.

    Correct Option: C

    Lateral meristems are meristems which occur parallel to the circumference of the organs in which they develop. They undergo periclinal divisions producing secondary tissues on the outer and inner sides and increase the girth of the plant organs. Examples are vascular cambium and corkcambium.


  1. Transmission tissue is characteristic feature of:









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    A solid style has transmission tissue which has large intercellular spaces. It allows growth of pollen tube in pistil.

    Correct Option: A

    A solid style has transmission tissue which has large intercellular spaces. It allows growth of pollen tube in pistil.



  1. Which of the following is made up of dead cells?









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    Cork cambium undergoes periclinal division and cuts off thick walled suberised dead cells towards outside i.e. phellem (cork) and it cuts off thin walled living cells i.e., phelloderm on inner side.

    Correct Option: B

    Cork cambium undergoes periclinal division and cuts off thick walled suberised dead cells towards outside i.e. phellem (cork) and it cuts off thin walled living cells i.e., phelloderm on inner side.


  1. Root hairs develop from the region of:









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    In roots, the root hairs develops from zone of maturation. This zone is differentiated zone thus bearing root hairs.

    Correct Option: D

    In roots, the root hairs develops from zone of maturation. This zone is differentiated zone thus bearing root hairs.



  1. Vivipary is









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    Vivipary germination is the characteristic mode of seed germination in Rhizophora (Mangrove).

    Correct Option: D

    Vivipary germination is the characteristic mode of seed germination in Rhizophora (Mangrove).