WB JEE Medical WB JEE Medical Solved Paper-2013

  • question_answer
    Besides paddy fields, cyanobacteria are also found inside vegetative part of

    A)  Pinus            

    B)  Cycas

    C)  Equisetum       

    D)  Psilotum

    Correct Answer: B

    Solution :

     Cyanobacteria within the coralloid roots of Cycas   are   chemoheterotrophic   and specifically adapted to life in symbiosis. Only a few species of cyanobacteria form associations with Cycas.  Pinus is a gymnosperm. Equisetum belongs to vascular plants and to horse tail family. Psilotum belongs to division-Pteridophyta and is a fern like plant.


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