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': 'Housefly, which lands on cow dung, contaminating its appendages with bacteria from the faeces, and then lands on food prior to consumption is an example for which type of vector \nSelect and explain. \nA. Cyclo developmental, B. Cyclo propagative, C. Mechanical, D. Propagative', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Mechanical vector-picks up an infectious agent on the outside of its body and transmits it in a passive manner Cyclo propagative- pathogen undergoes cyclic changes and multiples in body of ahropod-e.g. : malarial parasite in female Anopheles mosquito Culex mosquito -filaria -cyclo developmental in which there is cyclical change and do not multiply in the body of vector Other e.g. guinea worm, Cyclops Ref: Arora.Medical parasitology 4th ed pg. 5', 'role': 'assistant'}]