Vector for T.cruzi is -: (A) Reduvid bug, (B) Tsetse fly, (C) Sand fly, (D) Hard tick
Answer is A. T.cruzi passes its life cycle I two host Definitive host- humans Intermediate host-triatomine bugs Humans become infectious when reduviid bug bites and the infected faecal matter is discharged near bite wound (refer pgno:49 baveja 3 rd edition)