1. 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
...
1. Mycology is the branch of microbiology which studies (Points .docx
1. 1. 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)
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
3. 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
4. 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
5. 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
6. 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
Answer
: Uses inorganic compounds for energy and carbon dioxide
for carbon source
: Uses light for energy source and organic sources for carbon
source
: Uses organic chemical reactions for energy and carbon
source
: Uses light for energy and Carbon dioxide for carbon source
Question 25. 25. An example of genes in bacteria other than
those on the chromosome is: (Points : 2)
Plasmids
Mitochondria
Free strands of DNA on bacterial surface
Ribosomes
Question 26. 26. Genes existing on plasmids may include those
for: (Points : 2)
capsule production
Krebs cycle enzymes
cell division
7. antibiotic resistance
Question 27. 27. Cloning in genetic engineering is defined as
replicating bacteria to identical forms.
(Points : 2)
True
False
Question 28. 28. Where do transcription and translation occur in
prokaryotic cells? (Points : 2)
on the plasma membrane
in the nucleus
in the cytoplasm
in chromatophores
Question 29. 29. Prokaryotes reproduce using a type of cell
division known as (Points : 2)
Meiosis I
Binary fission
Mitosis
Meiosis II
Question 30. 30. The synthesis of an RNA molecule from a
DNA molecule is called (Points : 2)
replication
transcription
translation
DNA synthesis
Question 31. 31. When an organism infects the body without
any detectable impairment of body function it is called: (Points
8. : 2)
Subclinical or inapparent infection
Acute infection
Chronic infection
Latent infection
Question 32. 32. If a 55 year old patient is suffering from
infection of his right eye, what pattern of infection is seen?
(Points : 2)
Generalized infection
Focal infection
Localized infection
Congenital infection
Question 33. 33. If a patient had a bout of influenza and then
suffered from pneumonia immediately, pneumonia would be
called: (Points : 2)
Biphasic illness
Systemic infection
Primary infection
Secondary infection
Question 34. 34. Which of the following is a strong indicator of
bacterial infection? (Points : 2)
Presence of pus in the wound
Malaise and fatigue disproportionate to other symptoms
Increase in lymphocytes with normal neutrophils
Biphasic illness
Question 35. 35. Non specific symptoms occurring in early
stages of infection is called (Points : 2)
Incubation period
9. Prodrome ( Prodromium)
Clinical disease
Convalenscence
Question 36. 36. When the mother transmits an infection during
pregnancy to the fetus is called: (Points : 2)
Focal infection
Latent infection
Congenital infection
Systemic infection
Question 37. 37. When both parasite and host benefit from
existence of the microbe in the body the host microbe
relationship can be described as: (Points : 2)
Commensalism
Symbiosis
Opportunistic Pathogenism
Parasitism
Question 38. 38. Another term used for normal flora is: (Points :
2)
Opportunistic pathogen
Primary pathogen
Indigenous flora
Parasitic flora
Question 39. 39. If a very healthy athlete comes down with
tuberculosis, what type of pathogen is Mycobacterium
tuberculosis? (Points : 2)
True (primary pathogen)
Secondary pathogen
Opportunistic pathogen
10. Congenital pathogen
Question 40. 40. Minimum number of organisms required to
establish infection is called: (Points : 2)
Pathogenic dose
Infectious dose
Virulence dose
Toxic dose
Question 41. 41. Presence of pus in an infection site indicates
which of the following virulence factors may be possessed by
the pathogens? (Points : 2)
Hyaluronidase
Collagenase
Capsule
Leukocidin
Question 42. 42. Exotoxins are (Points : 2)
tissue specific
heat stable
very weak in their action
part of the bacterial cell wall
Question 43. 43. Innate immunity refers to: (Points : 2)
immunity acquired after infection
immunity after immunization
specific immune response to an antigen
nonspecific immunity present since birth
Question 44. 44. The immunity mediated by antibodies is
called: (Points : 2)
11. Innate immunity
Humoral immunity
Cytotoxic immunity
Cellular immunity
Question 45. 45. The primary immunodeficiencies are due to:
(Points : 2)
Developmental defects
Genetic defects
Drug therapy
a & b
Question 46. 46. Which of the following cells can be infected
by HIV (AIDS virus) (Points : 2)
Neurons
Macrophages
T lymphocytes
All of the above
Question 47. 47. If the majority of population has immunity
against a pathogen then it may lead to virtual elimination of the
pathogen from that population. This phenomenon is due to:
(Points : 2)
Individual immunity
Herd immunity
Weakening of the pathogen
Reduction in natural habitat of the pathogen
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