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
    Direction Read the following and answer the questions from given below
    The ovule or the megasporangium develops as a small protuberance of the placental tissue. In the very young ovule, a single hypodermal cell is differentiated as the archesporium. This archesporium cell may or may not cut off some parietal cells and then becomes the Megaspore Mother Cell (MMC). The MMC undergoes division to form megaspore cells. Meanwhile two integuments develop from the base of the ovule.
    Assertion [A] Megaspore mother cell undergoes meiosis to produce four megaspores.
    Reason [R] Megaspore mother cell and megaspore both are haploid.

    A) Both A and R are true and R is the correct explanation of A

    B) Both A and R are true, but R is not the correct explanation of A

    C) A is true, but R is false

    D) Both A and Rare false

    Correct Answer: C

    Solution :

    [c] A is true, but R is false. R can be corrected as Megaspore mother cell is diploid and megaspore is haploid.


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