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Solution


Q.

Which of the following approaches does not give the defined action of contraceptive               [2016]
1 Hormonal contraceptives - Prevent/retard entry of sperms, prevent ovulation and fertilisation  
2 Vasectomy - Prevents spermatogenesis  
3 Barrier methods - Prevent fertilisation  
4 Intra uterine devices - Increase phagocytosis of sperms, suppress sperm motility and fertilising capacity of sperms  

Ans.

(2)

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.