الأخصائيين
الأحياء الدقيقة (الميكروبيولوجي)
1. It protects bacteria from antibiotics
a. Capsule
b. Cell membrane
c. Flagella
d. Fimbria
a. Mono –trichous bacteria
b. Atrichous bacteria
c. Lopho-trichous bacteria
d. Peri-trichous bacteria
3. Short rods, motile by peritrichous flagella
a. Spirochaeta
b. Lactobacillus
c. Escherichia coli
d. Vibrio
4. To take up soluble DNA fragments derived from other, closely
related species is:
a. Mutation
b. Transformation
c. Transduction
d. Conjugation
5. Tuberculosis are
a. micro-airophilic
b. Facultative anaerobic
c. Obligatory anaerobic
d. Obligatory aerobic
6. According to pH, Lactobacillus is
a. Neutrophlic bacteria
b. Acidophilic bacteria
c. Basophilic bacteria
d. None of the above
7. Bacteria without cell Wall
a. Chlamydia
b. Rickettsia
c. Mycoplasma
d. d- Spirochetes
8. Brucella Melitensis is
a. Obligatory aerobic bacteria
b. Obligatory anaerobic bacteria
c. Facultative anaerobic bacteria
d. Micro-aerophilic bacteria
9. Pseudomonas aeroginosa is
a. Peri-trichous bacteria
b. Lopho-trichous bacteria
c. Amphi-trichous bacteria
d. Monotrichous bacteria
10.
Genetic
information of bacteria is carried on
a. Messenger RNA
b. Transfer RN|A
c. Transcript RNA
d. Double – Stranded DNA
11.
Thermophilic
bacteria grow at
a. 60 – 80 °C
b. 0 - 20°C
c. 37°C
d. d- 100 - 120°C
12.
Acidophilic
bacteria grow at
a. pH 7.2 – 7.4
b. pH 5.0 – 5.5
c. pH 8.5 – 9.0
d. None of the above
13.
Mycoplasma
is
a. Neutrophilic bacteria
b. Acidophilic bacteria
c. Basophilic bacteria
d. All of the above
14.
It
is the adaptation of bacteria to the fresh medium
a. Lag phase
b. Decline phase
c. Logarithmic Phase
d. Stationary phase
15.
Bacteria
which do not cause hemolysis is
a. Beta-Hemolytic
b. Alpha-Hemolytic
c. Gama Hemolytic
d. None of the above
16.
Normal
flora of Lower intestine are all of the following except:
a. Staphylococci
b. Diphtheroids
c. Shigella
d. Lactobacillus
17.
Opportunistic
pathogens are all of the following except:
a. Cause a disease when the host defense are suppressed.
b. Are normal flora of healthy body
c. Are greatly harmful
d. Do not invade the body or tissue.
18.
For
disinfection of mattresses :
a. Hot air oven
b. Autoclave
c. Ethylene Oxide
d. Hydrogen Peroxide
19.
Pyschrophilic
bacteria grow at:
a. 10°C
b. 6°C
c. 14°C
d. 37°C
20.
Bacteria
which contain chlorophyll
a. Heterotrophic bacteria
b. Autotrophic bacteria
c. Photosynthetic bacteria
d. All of the above
21.
Tricophyton
is one of
a. Yeast
b. Moulds
c. Dermatophyte
d. Dimorphic Fungi
22.
Plastomyces
is one of
a. Dermatophytes
b. Dimorphic Fungi
c. Yeast
d. Moulds
23.
Color
of gram negative bacteria is
a. Violet
b. Green
c. Red
d. Black
24.
Acid
Fast Bacteria
a. Salmonella
b. Shigella
c. M. Tuberculosis
d. E.Coli
25.
Spherical
or avoid cells occurring in chains
a. Staphylococci
b. Streptococci
c. Lactobacillus
d. Spiro chaeta
26.
……………… carries the genetic information
a. the envelope
b. the capsid
c. the nucleic acid
d. the prion
27.
…………………… may be seen under light microscope
a. rota virus
b. influenza virus
c. herps virus
d. pox virus
28.
viruses
may be:
a. monomorphic
b. pleomorphic
c. dimorphic
d. all of the above
29.
viral
capside is formed of:
a. protein
b. glycogen
c. lipoprotein bilayer
d. glycoprotein
30.
class
III in Baltimor classification is:
a. double stranded DNA viruses
b. single stranded DNA viruses
c. double stranded RNA viruses
d. single stranded RNA viruses
31. Hierarchial
virus classification system use the following characters except:
a. nature of nucleic acid
b. capside symmetry
c. diameter of viron & capside
d. virus molecular weight
32.
in
viral replication which is true:
a. penetration is the 1st step
b. assembly is the last step
c. relaease is the last step
d. all of the above
33.
viron:
a. may be extracellular phase of virus
b. may be intracellular phase of virus
c. can grow and replicate
d. means “ virus – like “
34.
pleomorphic viruses
means :
a. virus which have constant shape
b. virus that may appear in 2 forms
c. virus that have not a constant morphology
d. virus that have spherical shape
35.
vapor of gold is used
in :
a. shadow casting technique
b. negative staining technique
c. positive staining technique
d. non of the above
36.
direct
diagnosis of virus :
a. ELISA Antibody
b. CFT
c. IFT
d. PCR virus
37.
all
of the following are required in cell culture except:
a. neutral PH
b. presence of buffer salts
c. presence of antibiotics
d. incubation at 20 C (( 30-37 C))
38. all of the following are diagnostic molecular biological technique
except:
a. PCR
b. ELISA
c. nucleic acid hyperdization
d. DNA finger printing
39.
PCR require all of
the following except:
a. extracted DNA template
b. 2 specific primers
c. reation buffer
d. RNA polymerase
40.
bacteriophage
is :
a. virus that can be killed by antibiotic
b. virus that act like a bacteria
c. bacteria that act like a virus
d. virus that infect bacteria
41.
all
of the following viruses are transmitted by blood except:
a. HIV
b. HBV
c. HCV
d. herps virus
42.
all
of the following are RNA viruses except:
a. corona viridase
b. reoviridase
c. picorona viridase
d. pox viridase
43.
penetration of naked
virus is by :
a. fusion
b. endocytosis
c. translocation
d. all of the above
44.
amniotic
cavity inoculation is one type of virus culture in:
a. tissue wall
b. lab animals
c. embryonated egg
d. non of the above
45.
…………….. is an invitro method amplification
of a short sequence of target DNA
a. PCR
b. hyberdization
c. finger printing
d. all of the above
46.
nucleic
acid hyberdization means:
a. probe anneling or binding with it’s complementary segment of NA
b. b- fragmentation of nucleic acid
c. c- amplification of nucleic acid
d. d- non of the above
47.
DNA hyberdization is
performed by:
a. primers
b. DNA labeled probe
c. restriction endonuclease
d. non of the above
48.
PCR
starts with :
a. annealing
b. denaturation of DNA
c. c-extension of primers
d. d- non of the above
49.
……………….. is a piece of DNA fragment of a
particular gene that can bind specially with it’s complementary piece
of DNA:
a. codon
b. probe
c. LCR
d. code
50.
how
many primers are used in PCR :
a. non
b. one
c. two
d. three
يُتبع Continued
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