<prompt> Which is propagative?PlagueFilariaMalariaAll  <response>: A propagative:The agent merely multiplies in the vector but no change in the form e.g plague bacilli in rat fleas B cyclopropagative : The agent changes in number and form e.g malaria parasite in mosquito C cyclodevelopmental: The disease agent undergoes only developmental but no multiplication e.g microfilaria in mosquito refer pgno:98 park 23 rd edition 