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Human Reproduction Test - 26

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Human Reproduction Test - 26
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Weekly Quiz Competition
  • Question 1
    1 / -0
    Human egg has ________.
    Solution
    Correct option is B
    Explanation for correct option

    • Although a human body cell would have 46 chromosomes, since a human egg cell is a reproductive cell (sex cell), it would contain only half the number of chromosomes as a body cell. 
    • Thus, a human egg cell would have 23 chromosomes. 
    • Females having XX chromosomes in the 23rd pair, so human eggs would be having only one X-chromosome.
    • Sperm produced by males are of two types, 22 chromosomes with one X chromosome and 22 chromosomes with a Y chromosome.
  • Question 2
    1 / -0
    What is the correct sequence of sperm formation ?
    Solution
    The correct sequence of sperm formation is:
    Spermatogonia --> Spermatocyte --> Spermatid --> Spermatozoa.
    So, the correct answer is 'Option D- Spermatogonia, Spermatocyte, Spermatids, Spermatozoa'.
            So the correct option is D.
  • Question 3
    1 / -0
    In human females, ova are produced in 
    Solution
    An ovarian follicle is a spherical cellular aggregation found in the ovary. Each ovarian follicle contains a single oocyte (immature egg or ovum).
    The oviduct is the fallopian tube and is lined with ciliated epithelia. It is the site of fertilization.
    The uterus is the hollow, pear-shaped organ. It is the site for implantation and embryo development.
    The vagina is muscular, narrow canal.
    Thus, the correct answer is option A.
  • Question 4
    1 / -0
    Haploid number of chromosomes are found in
    Solution
    In animals, during the process of sexual reproduction special cells having one half the chromosome number (gametes) are produced as a result of meiosis. The male gamete is called sperm, while the female gamete is called ovum. The haploid gametes (sperm and ovum) fuse to form a diploid zygote, which develops to form embryo. 
  • Question 5
    1 / -0
    Menstrual cycle is generally of______________
    Solution
    • The menstrual cycle is the rhythmic reproductive cycle that occurs in the uterus and ovary. 
    • The length of a menstrual cycle varies greatly among women but the average length of a cycle is 28 days.

    Therefore, the correct answer is option B.
  • Question 6
    1 / -0
    The stage during which menstruation stops in adult female is
    Solution
    After the age of 45, the number of ovarian follicles decrease and the ovaries become less responsive to luteinizing hormone and follicle-stimulating hormone. Hence the ovaries stop producing estrogen and progesterone. So the menstrual cycle stops and reproductive capacity is arrested. Menopause marks the end of reproductive phase. Thus the correct answer is option A.
  • Question 7
    1 / -0
    How many meiotic divisions occur in cells for the formation of $$32$$ spermatids?
    Solution
    From one primary spermatocyte, 4 spermatids are formed after one mitotic and 1 meiotic division.
    Therefore, for the formation of 32 spermatids 8 meiotic division are required.
    So, the correct option is '8'
  • Question 8
    1 / -0
    Sperm duct in males is
    Solution
    The ductus deferens is also known as the vas deferens. It is present in a male reproductive system that carries sperm from the epididymis to the ejaculatory duct.
    So, the correct answer is option 'Vas deferens'.
  • Question 9
    1 / -0
    Tunica albuginea is related to
    Solution
    Tunica albuginea is related to testes. It is the primary sex organ in human males. The testes are situated outside the abdominal cavity within a pouch called scortum. In adults, each testis is oval in shape, with a length of about 4 to 5 cm and width of about 2 to 3 cm. The testis is covered by a dense covering. They are enclosed in an outer tough capsule of collagenous connective tissue, the tunica albuginea.
  • Question 10
    1 / -0
    Prostate gland is present
    Solution
    Prostate gland is present around urethra. The prostate gland is the accessory genital gland which occurs only in the male mammal. It is unpaired. It is located below the urinary bladder. It secretes an alkaline fluid. This fluid is rich in bicarbonate ion that neutralizes the acids in the female reproductive tract.
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