2 D 93939

Section B

Answer at least five questions.
Each question carries 5 marks.
All questions can be attended.

Overall Ceiling 25.

Write briefly :

13. Archaebacteria and Eubacteria.

14. Shapes and arrangements of bacteria.

15. Grams staining.

16. Contributions of Robert Koch in microbiology.

17. Bacterial cell membrane.

18. Electron microscope.

19. Halogens.

Section C

Answer any two questions.
The question carries 11 marks.
20. Differentiate between Prokaryotes and Eukaryotes.
21. Discuss various physical methods of control of micro-organisms.

(1 x 11 = 11 marks)