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Biology · PYQ NEET UG 2016(1)

हिन्दी

Which of the following approaches does not give the defined action of contraceptive?

  1. Hormonal contraceptives: Prevent/retard entry of sperms, prevent ovulation and fertilization
  2. Vasectomy: Prevents spermatogenesis
  3. Barrier methods: Prevent fertilization
  4. Intra Uterine Devices: Increase phagocytosis of sperms, suppress sperm motility and fertilizing capacity of sperms

Correct answer · Option 2

Vasectomy: Prevents spermatogenesis

Explanation

Vasectomy is a surgical sterilization method that prevents the transport/release of sperms (vas deferens is cut), but it does not stop spermatogenesis in the testes.
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