Multiple choice

Choose the correct statement with reference to Ascaris.

  1. Hatching of embryos takes place in the stomach due to lytic enzyme.

  2. Inside the body of host, adulthood is reached in 10 day time.

  3. Development of moulting takes place in the alveoli of lungs.

  4. Hatching of embryos takes place within 10 hours.

  5. -

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

After infective eggs are swallowed, the larvae hatch, invade the intestinal mucosa and are carried to the lungs. The larvae mature further in the lungs (10 - 14 days), penetrate the alveolar walls, ascend the bronchial tree to the throat and are swallowed.