This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: parasitology, Subject name: Microbiology
[{'content': 'Infective form of Ascaris is \nSelect and explain. \nA. Cyst, B. Egg, C. Trophozoite, D. Merozoite', 'role': 'user'}, {'content': "Answer: B \nExplanation: Parasitic Infections Transmitted by OvaEnterobius vermicularis (pinworm)Ascaris lumbricoides (roundworm)Toxocara canis (visceral larva migrans)Trichuris trichiura (whipworm)Echinococcus granulosus/multilocularisTaenia solium (cysticercosis)All others are transmitted in larval stage Ref : Paniker's textbook of Medical Parasitology Pgno : 196-197", 'role': 'assistant'}]