Prokaryotic cells, cell structure, prokaryotic cell diagram, binary fission, Bacterial Cells.
On Nokryan.com, you will discover the fascinating world of prokaryotes! Unlike eukaryotic cells, prokaryotic cells do not have any defined nucleus and membrane bound organelles. Important functions such as bipartite fission, the primary mode of cell reproduction in bacteria, are facilitated by their easy structure that is shown in detailed diagrams. Visit Nokryan.com to learn about the fascinating world of bacterial cells and their unique characteristics.
1. The smallest bacteria belong to the genus ?
- E. coli
- Mycoplasmacorrect
- Diplococcus pneumoniae
- Epulopiscium fishelsoni
2. Vibrio is curved or comma shaped ?
- Spirillum
- None of these
- Coccus
- Rodcorrect
3. Microbes like bacteria and protozoa were first of all reported by ?
- Antony Van Leeuwenhoekcorrect
- Robert Koch
- Ernst Haeckel
- Louis Pasteur
4. An irregular group like arrangement of cocci is called ?
- Streptococcus
- Diplococcus
- Staphylococcuscorrect
- Sarcina
5. Leeuwenhoek described the protozoa and bacteria as ?
- Miniatures
- Invisible
- Small animals
- Animalculescorrect
6. Bacteria very is size as much as in ?
- Disease
- Shapecorrect
- Color
- None of these
7. Some spirochetes occasionally reach the length of ?
- 600 um
- 500 umcorrect
- 400 um
- 700 um
8. Robert Koch formulated the ?
- Cell theory
- Germ theory diseasecorrect
- None of above
- Cohesion tension theory
9. Hydrophobia is the other name for ?
- Cholera
- Anthrax
- Diphtheria
- Rabiescorrect
10. Epulopiscium fishelsoni can grrow as large as ?
- 100 um by 200 um
- 800 um by 60 um
- 600 um by 800 um
- 600 um by 80 umcorrect
11. Atrichuos means bacteria are without any ?
- Trachea
- Cilia
- Flagellacorrect
- Trichome
12. Flagellum is made up of protein ?
- Flagellincorrect
- Tubulin
- Myosin
- None of these
13. A thin and flexible spiral bacterium is ?
- Spirochetecorrect
- Vibrio
- Spirillum
- Sarcina
14. Bacteria range in size from about 0.1 to 600 um over ?
- Two dimension
- Three dimension
- None of these
- One dimensioncorrect
15. Bacteria and cyanobacteria are ?
- Prokaryotescorrect
- Eukaryotes
- None of these
- Protokaryotes
16. A thick and rigid spiral bacterium is ?
- Spirochete
- None of above
- Spirillumcorrect
- Vibrio
17. Flagella come out of cell wall and originate from ?
- Basal bodycorrect
- Frontal body
- Cytoplasm
- None of above
18. Sarcina is a cube of ?
- 6 cocci
- 3 cocci
- 8 coccicorrect
- 7 cocci
19. When cocci form long chain of cells then arrangement is called ?
- Sarcina
- Streptococcicorrect
- Staphylococci
- Diplococci
20. Archaeobacteria is a smaller division of bacteria which include ?
- Modern bacteria
- Ancient bacteriacorrect
- True bacteria
- False bacteria
21. A single polar flagellum at bacterial cell is the condition known as ?
- Lophotrichous
- Peritrichous
- Monotrichouscorrect
- Unitrichous
22. Vaccines for diseases like anthrax, fowl cholera and rabies were developed by ?
- Edward Jenner
- Louis Pasteurcorrect
- Robert Koch
- Ernst Haeckel
23. An example of rod shaped bacteria is ?
- All of thesecorrect
- Pseudomonas
- E.coli
- Bacillus subtilis
24. Leeuwenhoek first reported bacteria and protozoa in ?
- Infusions
- Saliva
- Vinegar
- Rain watercorrect
25. On the basis of general shape bacteria are classified into ?
- Four categories
- Seven categories
- Eleven categories
- Three categoriescorrect