12th Class Biology Human Reproduction Question Bank Case Based - Human Reproduction

  • question_answer
    Direction: Read the following and answer the questions from given below
    Parturition or childbirth is the process of delivering the baby and placenta from the uterus to the vagina to the outside world. Also called labour and delivery. Parturition comes from the Latin Parturine, 'to be ready to bear young' and is related to partus, the past participle of parere, 'to produce'. A typical pregnancy lasts 40 weeks from the first day of your Last Menstrual Period (LMP) to the birth of the baby (parturition). It is divided into three stages called trimesters, first trimester, second trimester and third trimester. The foetus undergoes many changes throughout maturation.
    (iv) Identify the correct sequence in which the various stages of parturition take place.
     

    A) Shedding of placenta\[\to \]Dilation of cervix\[\to \] Delivery of baby

    B) Dilation of the cervix\[\to \]Shedding of placenta \[\to \] Delivery of baby

    C) Dilation of the cervix\[\to \]Delivery of the baby \[\to \]Shedding of placenta

    D) None of the above

    Correct Answer: C

    Solution :

    [c] The correct sequence in which the various stages of parturition takes place Dilation of the cervix \[\to \] Delivery of the baby \[\to \] Shedding of placenta


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