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Human Reproduction Test - 9

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Human Reproduction Test - 9
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Weekly Quiz Competition
  • Question 1
    1 / -0.25

    Spermatogenesis is promoted by:

    Solution

    As male attain puberty. Leydig cells surrounding seminiferous tubules start to secrete testosterone hormone which initiate Spermatogenesis in Seminiferous tubules.

  • Question 2
    1 / -0.25

    The endocrine tissue of the testis is constituted primarily by:

    Solution

    Interstitial cell secrete Testosterone as main Androgen.

  • Question 3
    1 / -0.25

    The secondary sex organs:

    Solution

    Primary sex organs(ovaries and testes) have the ability to produce sperms and eggs (gametes) and harmones like testosterone (males) , estrogen and progesterone (females) while secondary sex organs can help in conduction of the gametes and contribute to the media transporting them(eg. seminal plasma) but do not produce harmones.

    A is the correct answer  

  • Question 4
    1 / -0.25

    In humans, at the end of the first meiotic division, the male germ cells differentiate into the:   

    Solution

    A primary spermatocyte completes the first meiotic division (reduction division) leading to formation of two equal, haploid cells called secondary spermatocytes, which have only 23 chromosomes each.

  • Question 5
    1 / -0.25

    Which among the following has 23 chromosomes?

    Solution

    Secondary oocyte: The secondary oocyte is the cell that is formed by meiosis I in oogenesis. Thus, it has only one of each pair of homologous chromosomes

  • Question 6
    1 / -0.25

    How are mature human sperm and ova similar?

    Solution

    Both Ovum and Sperm have haploid content  

  • Question 7
    1 / -0.25

    Spermatogenesis complete in             

    Solution

    Spermatogenesis get completed in seminiferous tubule.

  • Question 8
    1 / -0.25

    Spermatozoa are nourished during their development by

    Solution

    Sertoli cells provide nutrition to the germ cells.

  • Question 9
    1 / -0.25

    What is incorrect about male  gametes of human     

    Solution

    Human sperm is haploid cell have flagellated tail like structure for movement.

  • Question 10
    1 / -0.25

    Which piece of a sperm is called power house

    Solution

    The middle piece possesses numerous mitochondria, which produce energy for the movement of tail that facilitates sperm motility essential for fertilisation.

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