| . Mycology is the branch of microbiology which studies: (Points : 2) |
Bacteria Protozoa Fungi Viruses |
| Question 2. 2. Main structural difference between prokaryotes and eukaryotes is: (Points : 2) |
Absence of cell wall in prokaryotes Absence of nucleus in prokaryotes Absence of nucleic acid in prokaryotes Absence of flagella in prokaryotes |
| Question 3. 3. Under the microscope with Gram stain if you observe purple colored round organisms in chains they will be called: (Points : 2) |
Streptococci Staphyloccoci Gram negative bacilli Spirochetes |
| Question 4. 4. Parasite is an organism (Points : 2) |
that causes a disease which harbors another organism too small to be seen by naked eye which require another organism in order to survive |
| Question 5. 5. The disease causing “agent” composed only of a protein is called: (Points : 2) |
Virus Viroid Prion Proteinome |
| Question 6. 6. The unicellular parasites which infect humans are called: (Points : 2) |
Prokaryotes Protozoa Platyhelminths Nemathelminths |
| Question 7. 7. Louise Pasteur developed vaccines for (Points : 2) |
Cholera, Small pox Polio, tetanus Influenza & Hepatitis Anthrax & Rabies |
| Question 8. 8. Molecular postulates are used to determine whether a given bacterium causes the disease? (Points : 2) |
True False |
| Question 9. 9. What are Koch’s postulates used for? (Points : 2) |
Directly relating a specific microbe to a specific disease Identifying an unknown from a mixed culture of bacteria Differentiating between Gram-negative and Gram-positive bacteria All of the above |
| Question 10. 10. Robert Koch isolated which of the following organisms for the first time? (Points : 2) |
Staphylococcus organism causing silkworm disease Anthrax bacillus Influenza virus |
| Question 11. 11. Louise Pasteur disproved the theory of spontaneous generation. (Points : 2) |
True False |
| Question 12. 12. Microbiology has lost the significance in the US as our main health issues are non microbial diseases. (Points : 2) |
True False |
| Question 13. 13. Which of the following statement is true for Archaea? (Points : 2) |
They contain peptidoglycan in their cell wall They are eukaryotes living in extreme environments They are prokaryotes living in extreme environments They consist of major human pathogens |
| Question 14. 14. Which of the following is an important function of bacterial capsule? (Points : 2) |
to protect against the phagocytes house the enzymes required for bacterial metabolism give rigidity to the cell To control flow of nutrients into the cell. |
| Question 15. 15. Main locomotor organ of a bacterium is (Points : 2) |
Pilus Fimbria Flagellum Protoplasm |
| Question 16. 16. Which of the following structures are used by bacteria to adhere (stick to) the surfaces? (Points : 2) |
Cell membrane Golgi apparatus Pili Flagella |
| Question 17. 17. What is the predominant component in a gram positive organism’s cell wall? (Points : 2) |
Techoic acid Lipoproteins Lipopolysaccharide Peptidoglycan |
| Question 18. 18. Which of the forms will be produced by some bacterial species under adverse conditions? (Points : 2) |
Reproductive form Protoplast Endospore Cysts |
| Question 19. 19. Rickettsia and Chlamydia are called obligate intracellular “parasites” because: (Points : 2) |
They are viruses They lack cell wall They are eukaryotes They cannot survive and multiply outside a host cell |
| Question 20. 20. Which of the following is the site for energy or ATP generation in bacteria? (Points : 2) |
Nucleus Cell membrane Plasmids Cytoplasm |
| Question 21. 21. Electron microscope is used in microbiology for visualizing (Points : 2) |
Parasites Viruses Bacteria Fungi |
| Question 22. 22. The Gram stain technique is valuable in distinguishing : (Points : 2) |
types of fungi the size and structure of viruses the nucleus of bacteria from other cellular organelles types of bacteria |
| Question 23. 23. The binomial system of nomenclature for microorganisms uses the (Points : 2) |
genus and species epithet order and species epithet kingdom and genus names family and order names |
| Question 24. 24. Match the following nutritional type with its energy and carbon source: (Points :8: 2 points each) (Points : 8) |
| Potential Matches: |
| 1 : Photoheterotroph |
| 2 : Chemoautotroph |
| 3 : Photoautotroph |
| 4 : Chemoheterotroph |
|
