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Human Reproduction Test - 11

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Human Reproduction Test - 11
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Weekly Quiz Competition
  • Question 1
    1 / -0

    During which month of pregnancy first movement of fetus is observed

    Solution

    The movement of fetus is observed on fifth month of pregnancy. In first month heart is formed. In second months limbs and digits are formed. At the end of three months, all major organs and genital organs are formed.

     

  • Question 2
    1 / -0

    The embryo at 16-celled stage is called

    Solution

    Zygote undergoes several mitotic divisions to form blastula, which is a spherical hollow structure. Further division in the cells leads to formation of 16-celled stage called as Morula.

     

  • Question 3
    1 / -0

    The assumption of shape, size and other morphological features by the embryo is called

    Solution

    Morphogenesis is the assumption of shape and size and other morphological features by embryo. It is followed by differentiation to form different types of cells to perform different function.

     

  • Question 4
    1 / -0

    Which of the following arise from endoderm?

    Solution

    Human body is triploblastic, having three layered embryo. The outer layer is called ectoderm, the middle layer is called mesoderm and inner most layer is called endoderm that forms lungs and other vital organs.

     

  • Question 5
    1 / -0

    The embryo development from the somatic cells is called

    Solution

    Embryo develops from the fusion of sperm and ovum. The zygote divides mitotically to form embryo. Sometimes other somatic diploid cells act as embryo. They are called embryoid.

     

  • Question 6
    1 / -0

    Which one is not correct about the function of placenta?

    Solution

    Placenta is a tubular structure through which foetus and uterus of mother is connected. It help in transport of nutrition, respiratory gases and release HCG hormones.

     

  • Question 7
    1 / -0

    Which germinal layer forms blood, heart, blood vessels etc.?

    Solution

    Human beings are triploblastic. The outer layer is called ectoderm that forms central nervous system and nerves etc. The middle layer or mesoderm forms heart, blood and blood vessels. The inner layer forms liver, pancreas etc.

     

  • Question 8
    1 / -0

    The type of placenta found in human beings is

    Solution

    Foetus is attached to uterine wall by placenta. It is a disc-shaped having a number of finger-like chorionic villi. This kind of placenta is called discoidal placenta.

     

  • Question 9
    1 / -0

    The process of formation of primary organ rudiment is called

    Solution

    During gestation period organs formation started after three weeks these organs are not completely developed and called primary organ rudiment. The process of formation of primary organ rudiment is called tabulation.

     

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