I. Elaborate on: (2 x 15 = 30) 1.a) Define Chicken-pox. b) Enumerate the clinical features and mode of transmission of Chicken-pox. c) Explain the prevention and control measures of Chicken-pox. 2.a) Define Epidemiology. b) Explain Dynamics of disease transmission. II. Write notes on: (5 x 5 = 25) 1.Dimensions of health. 2.Prevention and control of Dengue. 3.Protein energy malnutrition. 4.Demographic cycle. 5.Food poisoning. III. Short answers on:(10×2=20) 1.Define Community