Uttarakhand PMT Uttarakhand PMT Solved Paper-2010

  • question_answer
    In Spirogyra, a brief period of tetranucleate condition is found in

    A)  hold fast        

    B)  gametangium

    C)  vegetative cell   

    D) germinating zygote

    Correct Answer: D

    Solution :

    In Spirogyra, prior to zygospore (zygote)  germination   diploid   zygospore   nucleus undergoes meiosis to form four haploid nuclei. Three of these nuclei undergo disintegration and only one remains. This is the functional nucleus.


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