This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
In culex mosquito the type of biological transmission for filarial parasite is ? 
Select and explain. 
A. Cyclo-developmental, B. Cyclo-propagative, C. Propagative, D. Cyclical
A: Cyclo-developmental
Answer: A: Cyclo-developmental 
Explanation: Ans. is 'a' i.e., Cyclo-developmental