This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Parasitology Pa 1 (Protozoology), Subject name: Microbiology
[{'content': 'Oocyst of toxoplasma is found in - \nSelect and explain. \nA. Cat, B. Dog, C. Mosquito, D. Cow', 'role': 'user'}, {'content': "Answer: A \nExplanation: Toxoplasma gondii: Oocysts is the sexual form of the parasite found in cats and felines. Definitive hosts -cat and other felines. Intermediate hosts - man and other mammals (goat, sheep) Transmission: MC mode: Ingestion of sporulated oocysts from contaminated soil, food, or water Ingestion of tissue cyst containing bradyzoites from undercooked meat Sporulated oocyst in cat's feces in saline mount . option-2- DOG-infected by echinococcus.", 'role': 'assistant'}]