CMC Medical CMC-Medical Ludhiana Solved Paper-2008

  • question_answer
    In which group of the following would you place the plants having vascular tissue and lacking seeds?

    A)  Algae                                   

    B)  Fungi

    C)  Bryophytes                       

    D)  Pteridophytes

    Correct Answer: D

    Solution :

                     Pteridophytes constitute a group of cryptogams having well developed vascular tissue. These plants lack seed (although seed habit is seen in Selaginella). Pteridophytes are mostly herbaceous and grow in moist and shady places Oswald and Tippo placed algae and fungi in Thallophyta, ie, they lack true root, stem and leaf like structure. Fungi are achlorophillous heterotrophic, spore   forming, non-vascular eukaryotic organisms, which often contain fungal cellulose in their cell wall and glycogen as food reserve. Algae are chlorophyll bearing thalloid plants. They are autotrophic. Bryophyta includes the most primitive and simplest tissue system. The haploid or gametophytic generation is dominant and independent in these plants.


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