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3.Reproductive Health
medium
Which of the following approaches does not give the defined action of contraceptive ?
A
Hormonal contraceptives $-$ Prevent/retard entry of sperms, prevent ovulation and fertilisation
B
Vasectomy $-$ Prevents spermatogenesis
C
Barrier methods $-$ Prevents fertilisation
D
Intra uterine devices $-$ Increases phagocytosis of sperms, suppress sperm motility and fertilising capacity of spermS
(NEET-2016)
Solution
(b) : Vasectomy is a sterilisation technique for the males in which a small part of the vas deferens is removed or tied up through a small cut on the scrotum to prevent passage of sperms. Spermatogenesis is the series of cell division in the testis that results in the production of spermatozoa or sperms.
Standard 12
Biology
