Microbial Diagnosis and Public Health Management — DU B. Sc. (Hons) Microbiology Previous Year Question Papers

Q1. Define the following terms citing suitable examples (any six): 2x6=12 i. Saprozoonoses ii. Sensitivity ili. Negative predictive value iv. Cryptic Plasmid V. Pandemic vi. Birth rate vii. Serotyping Q2. Write short notes on the following (any three): 4x3=12 Q3. a. Differentiate between the following (any three): 3x3=9 i. Endemic and Epidemic ii. Reservoir and Carrier Ill. Anthropozoonoses and Amphixenoses iv. Morbidity and Mortality b. Discuss the precautions for the sample collection by throat swab during the diagnosis of infectious disease. 3 Q4. a. .State true or false for the following statements citing suitable reasons for your answer. i. Bacteriocins are usually active against closely related species of bacteria. ii. Metazoonoses require only an invertebrate host. iii. Live Attenuated Vaccine (LAV) is better than inactivated vaccine in providing immunity. b. Explain the principle and procedure of phage typing with the help of a suitable diagram. 6 Q5. a. Discuss the key aspects of disaster management. b. How MALDI-TOP can be used for the identification of a pathogenic microorganism? 6 Q6. a. Describe the effects ofwaterpollution on human health. b. Differentiate between the incidence and prevalence of a disease with the help of suitable examples.