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Human Reproduction Test - 53

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Human Reproduction Test - 53
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  • Question 1
    1 / -0
    The common passage for sperms and urine in the male reproductive system is 
    Solution
    The urine stored in the urinary bladder is expelled out through urethra to the outside of the body. In males, it has the additional function of ejaculating semen when the man reaches orgasm. When the penis is erect during sex, the flow of urine is blocked from the urethra, allowing only semen to be ejaculated at orgasm.
    So, the correct answer is 'Urethra'.
  • Question 2
    1 / -0
    The early human embryo distinctly possesses
    Solution
    Early embryo of different vertebrates resembles each other in possessing similar structures like notochord, pharyngeal gill slits etc. Gill slits are filter feeding organs which are prominently present in invertebrates.
    Therefore, the correct answer is option B.
  • Question 3
    1 / -0
    Which of the following denotes a male gamete?
    Solution
    All human beings have $$23$$ pairs of chromosomes in their nuclei. Out of $$23$$ pairs last pair is known as sex chromosome. The human males have $$23$$ pairs of chromosomes including XY sex chromosomes. Therefore the male gametes has $$22$$ chromosomes and either an X or a Y chromosome. Thus male gametes can be of two types$$: 22+X $$ or $$22+Y$$.
  • Question 4
    1 / -0
    Name the hormone released during the release of sperms.
    Solution
    Testosterone helps in production of sperms, Sebum is not a hormone, Growth hormones stimulate the production of male and female hormones, Adrenaline is released during the release of sperms.
    So, the correct answer is 'Adrenaline'
  • Question 5
    1 / -0
    After a sperm has penetrated in ovum during fertilisation, the entry of further sperms is prevented by
    Solution
    Fertilization membrane is a resistant membranous layer in eggs of many animals that forms following fertilization by the thickening and separation of the vitelline membrane from the cell surface and that prevents multiple fertilization. 
    Therefore, the correct answer is option D.
  • Question 6
    1 / -0
    Which of the following is not a part of the female reproductive system in human body?
    Solution
    • The female reproductive system consists of ovaries, fallopian tubes, uterus, and vagina. 
    • The ovary produces oocytes (eggs) for fertilization and they produce the reproductive hormones, oestrogen, and progesterone.
    • The fallopian tube enables the passage of egg cells from the ovaries to the uterus.
    • The uterus helps in the development of the fetus.
    • Vas deferens are part of the male reproductive system. It conducts sperm from the epididymis to the ejaculatory ducts.
    So, the correct answer is option C.

  • Question 7
    1 / -0
    ______ is responsible for maturation of sperms
  • Question 8
    1 / -0
    Cessation of menstrual cycle in human female is called as
    Solution
    The cessation of menstrual cycles at the end of a woman's reproductive period is termed menopause. The average age of menopause in women is 52 years, with anywhere between 45 and 55 being common. Menopause before age 45 is considered premature in industrialised countries.
  • Question 9
    1 / -0
    Complete end of menstrual cycle in females is marked by
    Solution
    The complete end of the menstrual cycle in females is marked by menopause. Menopause can occur in your 40s or 50s. Menopause is a natural biological process. Although it also ends fertility, you can stay healthy, vital and sexual.
  • Question 10
    1 / -0
    Spermatogenesis is under the regulatory influence of ________.
    Solution
    Spermatogenesis is the process of formation of sperms from the spermatogonia cell. This process is under the regulation of FSH (follicular stimulating hormone). It acts on spermatogonia to stimulates sperm production. 
    So, the correct answer is option B.
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