13.
14.
15.
16.

18.
19.

20.

21.

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2 D 12648
Section B (Paragraph Type Questions)

Answer at least five questions.

Each question carries 5 marks.

All questions can be attended.
Overall Ceiling 25.

Contributions of Louis Pasteur.
Gram staining.
Disinfectant testing.
Fluorescent Microscopy.
Cell membrane of bacteria.
Morphology of viruses.
Endospore formation and its structure.
(5 x 5 = 25 marks)
Section C (Essay Type)

Answer any one question.
The question carries 11 marks.

Explain various chemicals used for sterilization and disinfection. Write on the mode of action of

each.
Differentiate between eukaryote and prokaryote with diagrams.

(1 x 11 = 11 marks)

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