NEET Biology Plant Kingdom Question Bank Pteridium Pteris Dryopteris

  • question_answer
    Which one controls dehiscence of sporangium in Dryopteris [CBSE PMT 1995]

    A)               Annulus                            

    B)                    Tapetum

    C)                    Sorus                                

    D)                    Indusium

    Correct Answer: A

    Solution :

                       They develop a thickening along their radial and inner tangential walls. This layer is called annulus.


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