Question

Size of common roundworm or Ascaris lumbricoides is?

• A. 15-30 cm in male and $20-40$cm in female
• B. $10-15$cm in male and $15-25$cm in female
• C. $5-10$cm in male and $10-15$cm in female
• D. $3-5$cm in male and $7-10$cm in female

Answer 1

The correct option is A 15-30 cm in male and $20-40$cm in female

The roundworm Ascaris lumbricoides is the largest intestinal nematode infecting humans, with females averaging 30 cm in length (ranging from 20-49 cm) and measuring 3-6 mm in diameter. Males are smaller, ranging from 15-30 cm in length and 2-4 mm in diameter.

So, the correct answer is '15-30 cm in male and 20−40cm in female'.