12th Class Biology Sexual Reproduction in Flowering Plant / फूलों के पौधों में यौन प्रजनन Question Bank Case Based - Sexual Reproduction in Flowering Plants

  • question_answer
    Study the given figure of embryo sac in angiosperms and answer the questions that follows
     
    (ii) The arrangement of the nuclei in a normal embryo sac in the dicot
     

    A) 3+2+3

    B) 2+3+3

    C) 3+3+2                        

    D) 2+4+2

    Correct Answer: A

    Solution :

    [a] The arrangement of nuclei in normal embryo sac in dicot plant is 3 + 2 + 3. Three at micropylar end [2 synergids, one egg cell], two in central region [2 polar nuclei] and three at chalazal end [3 antipodals].    


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