Multiple choice Which of the following is a set of true worms? Earth worm, Fire worm, Flat worm Round worm, Filarial worm, Hook worm Flat worm, Round worm, Hook worm Earth worm, Hook worm, Flat worm Filarial worm, Fire worm, Flat worm Reveal answer Fill a bubble to check yourself B Correct answer Explanation Round worm (Ascarislumbricoides), Filarial worm (Wuchreria bancrofti), Hook worm (Ancylostomaduodenale): All are true worms, i.e., members of Phylum Aschelminthes.