CBSE Class-12 Question Papers for IOP/Comptt Examination 2017 : Microbiology

General Instructions :

• Please check that this question paper contains 3 printed pages.
• Code number given on the right hand side of the question paper should be written on the title page of the answer-book by the candidate.
• Please check that this question paper contains 7 questions.
• Please write down the Serial Number of the question before attempting it.
• 15 minute time has been allotted to read this question paper. The question paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the students will read the question paper only and will not write any answer on the answer-book during this period.

MICROBIOLOGY
(Theory) Paper III

Time allowed : 2½ hours

Maximum Marks : 50

Instruction : Attempt all questions.

PART – I

1. Enumerate the organisms causing bacillary dysentery. Describe the laboratory diagnosis of bacillary dysentery.

2. Write briefly on any two of the following :
(i) Clostridium tetany
(ii) Pneumococci
(iii) ELTOR vibrio

3. Write short notes on any three of the following :
(i) Catalase test
(ii) Oxidase test
(iii) Eleck test
(iv) Antibiotic sensitivity tests

PART – II

4.Define antigen and antibody. Describe ‘Auto immunity’.

5. Write briefly on any two of the following :
(i) General properties of virus.
(ii) Oral polio vaccine.
(iii) Immunoglobulin IgG and IgM.

PART – III

6.Write short notes on any two of the following :
(i) Cerebral malaria
(ii) Black water fever
(iii) Cysticercosis

7.Draw labelled diagram of any two of the following :
(i) Plasmodium Vivax Schizonts
(ii) Cyst of entamoeba coli
(iii) Ova of tapeworm

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Courtesy: CBSE