Question

In $Ascaris$, eggs are fertilized in the

• A. Vagina
• B. Oviducts
• C. Lower parts of uteri
• D. Seminal vesicles

Answer 1

Answer: (C)

Lower parts of uteri

The infective egg of $Ascaris$ enters into the human body through the food produced in contaminated soil. When the larva hatched inside the body it invades the intestinal mucosa and transferred to the lungs through the portal and then systemic circulation. The larva matures in alveoli and again migrates to the intestine where the develops into the adult and releases fertilized egg in the lower part of the intestine which passes through faeces. Thus, the correct answer is option C