Which of the following is viviparous -: (A) Strongyloidis stercoralis, (B) Trichinella spiralis, (C) Enterobius, (D) Ascaris
Answer is B. trichina worm Causative agent of trichinosis It is viviparous and releases first-stage larvae into the intestinal mucosa (refer pgno:153 baveja 3 rd edition)