LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
B.Sc. DEGREE EXAMINATION – PLANT BIOLOGY & PLANT BIO-TECH.
FIFTH SEMESTER – APRIL 2011
PB 5405 – MEDICAL MICROBIOLOGY
Date : 12-04-2011 Dept. No. Max. : 100 Marks
Time : 9:00 – 12:00
PART – A ( 10 X 2 = 20 marks)
Answer all the questions, each answer not exceeding 50 words
- Disinfectant
- Fumigation
- Sulphonamide
- Antibiotic sensitivity test
- Resident flora
- Skin as external defensemechanism
- Histoplasmosis
- Amoebiasis
- Symptoms of Tetanus
- Control of Rabies
PART – B ( 5 X 8 = 40 marks)
Answer the following, each answer within 500 words only
- A) Write about the contributions of any eight scientists to the field of medical microbiology.
OR
- B) Discuss the importance of phenols and heavy metals in the control of microbes.
- A) What is chemotherapy? Write down the characterestics of a chemotherapeutic agent.
OR
- B) What are antibiotics? Mention the source, mode of action of any four antibiotics.
- A) Distinguish between exotoxins and endotoxins.
OR
- B) Write about the role of intestinal flora as normal microbial flora.
- A) Explain the causal organism, symptoms, treatment and control of tuberculosis.
OR
- B) Write about the causal organism, symptoms and treatment of cholera.
- A) Discuss the mode of transmission, symptoms and control of syphilis.
OR
- B) Explain the disease cycle of
PART – C ( 2 X 20 = 40 marks)
Answer any two of the following, each within 1500 words only
- Write an essay on any four physical methods of control of microbes.
- Give an outline of immunity. Write about any two antigen-antibody reactions.
- Discuss the causal organism, symptoms, treatment and control of chicken pox.
- Explain the mode of transmission, symptoms and prevention of AIDS.
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