Manipal Medical Manipal Medical Solved Paper-2010

  • question_answer
    The triploid number of chromosomes of the first taxon is ten times more than the haploid number of chromosomes of the second taxon while the diploid number of the third taxon is six time more than the haploid number of the fourth taxon. Which one of the following shows the ascending order of the number of chromosomes in their respective endosperm?

    A)  Oryza-Allium-Saccharum-Nicotiana

    B)  Allium-Oryza-Nicotmna-Saccharum

    C)  Nicotiana-Saccharum-Oryza-Allium

    D)  Saccharum-Oryza-Nicotiana-Allium

    Correct Answer: B

    Solution :

     Allium,\[2n=16\]than endosperm has 24 chromosomes. Oryza,\[2n=24\]than endosperm has 36 chromosomes. Nicotiana,\[2n=48\]than endosperm has 72 chromosomes. Saccharum\[2n=82-124\] (Indian cane) than endosperm has 123-186 chromosomes.


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