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Human Reproduction Test - 63

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Human Reproduction Test - 63
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Weekly Quiz Competition
  • Question 1
    1 / -0
    Loss of reproductive capacity in women after age of 45 years is called
    Solution
    • Menopause is termed as the end of menstruation.
    • At the of 45 - 50 the ovaries stop producing estrogen.
    • The level of estrogen and progesterone decreases at this age which is responsible for the end of menstruation.
    So, the correct option is 'Menopause'
  • Question 2
    1 / -0
    Holoblastic cleavage occurs in
    Solution
    In mammals the cleavage in which it completes all the way through the zygote. This type of complete cleavage is called Holoblastic cleavage.
    So the correct option is 'Holoblastic cleavage.'
  • Question 3
    1 / -0
    Cells of Leydig occur in
    Solution
    Cells of Leydig occur in testis of man. The region outside the seminiferous tubules in testes is called interstitial spaces. It contains small blood vessels and interstitial cell. These interstitial cells are called Leydig cells. Leydig cells constitute the endocrine tissue of testes. It synthesizes and secretes testicular hormones called androgens. Androgens are a group of male sex hormones, mainly testosterone.
    Thus, the correct answer is 'Testis of Man'.
  • Question 4
    1 / -0
    Sperms are stored and nourished inside
    Solution
    • After the spermatozoa formation, the sperms are stored inside the epididymis. It is a long coiled tube. All the seminiferous tubules converge on the rete testis and the epididymis. It is the site where the spermiogenesis takes place. 
    Spermiogenesis is a process of maturation of the spermatozoa into motile sperm. It may take around 11 to 12 days for the sperm to traverse the epididymis.
    So, the correct option is 'Epididymis'
  • Question 5
    1 / -0
    In $$28$$ day human ovarian cycle, ovulation occurs on.
    Solution
    Ovulation is the process of the release of an ovum from graffian follicle during menstruation cycle. In a typical 28 human ovarian cycle ovulation occurs on day 14.
    So the correct answer is 'Day 14.' 
  • Question 6
    1 / -0
    Cervix is persent in
    Solution
    The opening of the uterus body is called the cervix. It joins the uterus to the vagina in the female body. The cervix communicates with the uterus with the help of an opening called an internal orifice and communicated with the vagina with the help of an external orifice.
    Thus, the correct answer is 'Between uterus and vagina'.

  • Question 7
    1 / -0
    Prostate gland produces a secretion for
    Solution
    The prostate gland secretes prostate fluid, which helps the seminal fluid into the urethra during ejaculation.
    So the correct option is 'Stimulating sperm activity.'
  • Question 8
    1 / -0
    Spermatogenesis involves
    Solution
    Spermatogenesis is the process of formation of the male gametocytes i.e the sperms. The sperm mother cells divide mitotically and form large number of cells, some of which grow and increase in size to form the primary spermatocytes. These then undergo meiosis I to form 2 secondary spermatocyte. After Meiosis II these secondary spermatocytes each divide into 2 spermatids. Thus total 4 spermatids are formed.
    So, the correct answer is 'Both A and B'.
  • Question 9
    1 / -0
    Seminal vesicles are located in
    Solution
    Seminal vesicles are the largest male sex glands which are present below the bladder and above the bulbourethral glands or Cowper's gland.
    So the correct option is 'Above Cowper's gland.'
  • Question 10
    1 / -0
    Which one of the following is correct?
    Solution
    Meiosis I occurs in primary spermatocyte. It occurs during the process of spermatogenesis. A primary spermatocyte is diploid, (2n) with 44 + XY (total 46) chromosomes. It completes the first meiotic division (reduction division) leading to the formation of two equal, haploid cells called secondary speratocytes, which have only 23 chromosomes each i.e. 22 + X or 22 + Y.
    So, only statement A is correct.
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