Conception, Gestation And Birth

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Conception, Gestation And Birth - Quiz

This is on of four quizzes on human reproduction which includes:
Reproductive System Quiz: An Introduction
Female Reproduction System Quiz
Male Reproductive System Quiz
Conception, Gestation and Birth Quiz


Questions and Answers
  • 1. 

    When a female egg or ova is fertilized by a male sperm to form a zygote.

    • A.

      Gestation

    • B.

      Conception

    • C.

      Pregnancy

    Correct Answer
    B. Conception
    Explanation
    Conception refers to the process of fertilization, where a female egg is fertilized by a male sperm to form a zygote. This marks the beginning of the development of a new individual. Gestation refers to the period of time during which the fetus develops inside the mother's womb. Pregnancy is the state of carrying a developing embryo or fetus within the female body. While all three terms are related to the reproductive process, the correct answer for this question is conception as it specifically describes the moment of fertilization.

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  • 2. 

    A fertilized egg that becomes multicellular is called this.

    • A.

      Gamete

    • B.

      Blastocyst

    • C.

      Gonad

    Correct Answer
    B. Blastocyst
    Explanation
    A fertilized egg goes through multiple cell divisions and forms a blastocyst, which is a multicellular structure. The blastocyst is the early stage of development in mammals, including humans, and it is composed of an outer layer of cells known as the trophoblast and an inner cell mass. The blastocyst is responsible for implanting into the uterine wall and eventually developing into an embryo. Therefore, the correct answer is blastocyst.

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  • 3. 

    This is the size of an adult thumb and has most of the organs a person will need to live at two months.  

    • A.

      Zygote

    • B.

      Blastocyst

    • C.

      Embryo

    Correct Answer
    C. Embryo
    Explanation
    The correct answer is embryo. At two months, the developing organism is in the embryonic stage. During this stage, the embryo starts to form the basic structures and organs necessary for survival. It is at this stage that the organs begin to develop and take shape, although they are not fully functional yet. The zygote is the initial stage after fertilization, and the blastocyst is a later stage when the embryo is a hollow ball of cells. However, it is the embryo stage that corresponds to the given description.

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  • 4. 

    This is what an embryo is called from around 9 weeks until birth.

    • A.

      Zygote

    • B.

      Blastocyst

    • C.

      Fetus

    Correct Answer
    C. Fetus
    Explanation
    From around 9 weeks until birth, an embryo is referred to as a fetus. This term is used to describe the developing human organism after the embryonic stage, when major organs and body systems have formed. During this period, the fetus continues to grow and mature in preparation for birth.

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  • 5. 

    The time a mother carries a baby from conception to birth.

    • A.

      Implantation

    • B.

      Pregnancy

    • C.

      Conception

    Correct Answer
    B. Pregnancy
    Explanation
    The term "pregnancy" refers to the period of time when a mother carries a baby from conception to birth. It encompasses the entire gestational period, during which the fetus develops and grows inside the mother's uterus. The process of implantation, which occurs shortly after conception, is an essential step in the beginning of pregnancy. Conception, on the other hand, refers to the moment when the sperm fertilizes the egg, initiating the formation of a new individual. Therefore, "pregnancy" is the correct answer as it encompasses the entire duration of carrying a baby from conception to birth.

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  • 6. 

    This is attached to the uterus and transports nutrients from the mother to the baby via the umbilical cord. 

    • A.

      Amniotic sac

    • B.

      Cervix

    • C.

      Placenta

    Correct Answer
    C. Placenta
    Explanation
    The placenta is a vital organ that is attached to the uterus during pregnancy. It serves as a connection between the mother and the baby, allowing the transfer of nutrients, oxygen, and waste products between them. The placenta also produces hormones that are necessary for the development of the baby. Through the umbilical cord, which is connected to the placenta, the baby receives all the essential substances needed for growth and development. Therefore, the placenta is responsible for transporting nutrients from the mother to the baby during pregnancy.

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  • 7. 

    This fluid filled sac protects the baby in the mother's womb or uterus.

    • A.

      Amniotic

    • B.

      Scrotum

    • C.

      Ovary

    Correct Answer
    A. Amniotic
    Explanation
    The correct answer is amniotic. The amniotic sac is a fluid-filled sac that surrounds and protects the developing baby in the mother's womb or uterus. It acts as a cushion, providing a safe environment for the fetus to grow and develop. The amniotic fluid within the sac also helps regulate the temperature and provides nutrients for the baby.

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  • 8. 

    This cord connects the baby to the placenta.

    • A.

      Umbilical

    • B.

      Prostate

    • C.

      Spinal

    Correct Answer
    A. Umbilical
    Explanation
    The umbilical cord is a vital structure during pregnancy that connects the developing baby (fetus) to the placenta, which is attached to the mother's uterus (womb). This cord serves as a lifeline for the fetus, providing it with essential nutrients and oxygen from the mother's bloodstream and removing waste products produced by the fetus. The umbilical cord typically contains two arteries and one vein. The arteries carry deoxygenated blood and waste products away from the fetus, while the vein carries oxygenated blood and nutrients to the fetus.

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  • 9. 

    The carrying of an embryo or fetus inside the female until birth.

    • A.

      Conception

    • B.

      Ovulation

    • C.

      Gestation

    Correct Answer
    C. Gestation
    Explanation
    Gestation refers to the process of carrying an embryo or fetus inside the female until birth. It involves the development and growth of the fetus within the mother's uterus. This period typically lasts for several months, depending on the species, and is essential for the proper development of the offspring. Conception refers to the fertilization of an egg by a sperm, while ovulation is the release of an egg from the ovary. However, gestation specifically pertains to the period of pregnancy.

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  • 10. 

    The time when the cervix opens to let the baby push down through the vagina or birth canal until it is born.

    • A.

      Implantation

    • B.

      Labor

    • C.

      Conception

    Correct Answer
    B. Labor
    Explanation
    Labor refers to the process of childbirth, specifically the time when the cervix opens to allow the baby to descend through the birth canal until it is born. It is the final stage of pregnancy and involves contractions of the uterus to push the baby out. Implantation refers to the attachment of the fertilized egg to the uterus, while conception refers to the moment when the sperm fertilizes the egg.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Jun 11, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 17, 2011
    Quiz Created by
    Paxalles
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