This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other Key Definitions & Concepts, Subject name: Social & Preventive Medicine
Microfalaria in Culex depicts what kind of Biological transmission? 
Select and explain. 
A. Cyclo-developmental, B. Cyclo-propagative, C. Developmental, D. Propagative
A: Cyclo-developmental
Answer: A: Cyclo-developmental 
Explanation: Microfalaria in culex is an example of cyclo-developmental transmission. In Culex mosquito, it undergoes only development. stages will change There is no multiplication taking place in it. TYPES OF BIOLOGICAL TRANSMISSION- Propogative transmission Cyclo-developmental Cyclo-propogative