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FIFTH SEMESTER B.Sc. DEGREE EXAMINATION
NOVEMBER 2020
(CUCBCSS—UG)
Microbiology
MBG 5B 09—MEDICAL MICROBIOLOGY—I
(2018 Admissions)
Three Hours Maximum : 80 Marks

Section A

Answer all questions.
Each question carries 1 mark.

Define ID50.

Give an example for a zoonotic disease.

Name the causative agent of travellers’ diarrhoea.

Which is the immunological test used to diagnose typhoid ?
What is catalase test ?

Define pandemic.

Leptospirosis is spread through

Name selective media used to culture Mycobacterium tuberculosis.
Rose spots occur during ————— infection.

What do you mean by attenuation ?

What is the morphology of Streptococcus pneumoniae ?

Rice water stool is a characteristic symptom of
(12 x 1= 12 marks)

Section B

Answer at least eight questions.
Each question carries 3 marks.
All questions can be attended.

Overall Ceiling 24.

Differentiate between septicemia and bacteremia.

What is Elek’s test ?

Turn over