Download DNB 2015 Dec MICROBIOLOGY I Question Paper

Download DNB (Diplomate of National Board) Under NBE 2015 Dec MICROBIOLOGY I Previous Question Paper

FINAL EXAM NATIONAL BOARD OF EXAMINATIONS
DECEMBER 2015
POSSESSION / USE OF CELL PHONES OR ANY SUCH ELECTRONIC GADGETS IS NOT PERMITTED INSIDE THE
EXAMINATION HALL.
MICROBIOLOGY

PAPER ? I
MICRO/D/15/18/I
Time : 3 hours
Max. Marks : 100

Important instructions:

? Attempt all questions in order.
? Each question carries 10 marks.
? Read the question carefully and answer to the point neatly and legibly.
? Do not leave any blank pages between two answers.
? Indicate the question number correctly for the answer in the margin space.
? Answer all the parts of a single question together.
? Start the answer to a question on a fresh page or leave adequate space between two answers.
? Draw table/diagrams/flowcharts wherever appropriate.

Write short notes on:

1. a) Principle and technique of plasma sterilization.
b) What are its applications?

6+4
2. a) Define Minimum Inhibitory Concentration (MIC).
b) List the various techniques of determining MIC of a
bacterial strain.
c) Write their principles, advantages and disadvantages.

1+3+(2+2+2)
3. Principle; technique and uses of Pulsed-Field-Gel-
electrophoresis.

3+4+3
4. Principle, technique and applications of Real Time- PCR.

2+6+2
5. List various Enzyme Immuno Assays (EIA). Describe them
with suitable examples.

3+7
6. a) Mechanism of action of carbapenem antibiotics.
b) Its scope of antibacterial activity and their resistance
mechanisms.

4+(2+4)
7. a) Define ?Pathogenecity Islands?.
b) Its role in bacterial pathogenesis with suitable examples.

2+8
8. Principle, uses and procedure of gene therapy.

2+4+4
9. a) What is ?In-Use Test??
b) Its procedure and application in hospital.

2+(2+6)
10. a) What are antigen presenting cells (APCs)?
b) Enumerate the different types of APCs.
c) Mechanisms involved in antigen processing by various
APCs.

2+3+5
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