<prompt> Most common cause of death in the under five age group in developing countries is:MalnutritionRespiratory diseasesDiarrheaRoad traffic accidents  <response>: Ans: B Respiratory diseases Ref: Parks Preventive and Social Medicine, 22nd edition. Million Death Study Collaborators. Bassani DG et al. Causes of neonatal and child mortality in India: a nationally representative mortality survey. Lancet. 2010 Nov 27;3 76 9755: 1853-60. Explanation: Indian Data Ref: Lancet Article Top 2 causes of Under-5 mortality Accounts for 78 of total Under-5 deaths. Pneumonia Diarrhoea! diseases Top 3 causes of neon to l mortality Accounts for 78 of total neonatal deaths Prematurity and low birthweisht Neonatal infections Birth asphyxia and birth trauma 