This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
Zoonotic disease is/are transmitted by - 
Select and explain. 
A. Ticks, B. Rat flea, C. Sand fly, D. Mosquito
A: Ticks
Answer: A: Ticks 
Explanation: <p> Zoonotic diseases are transmitted by hard ticks(e.g.tick typhus, viral fever) or soft tick(Q-fever). Reference:Park&;s textbook of preventive and social medicine,K.Park,23rd edition,page no:780. <\p>