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MEDIUM
ENGLISH
Biology
Which of the following structure is not present in all the bacteria_____________?
A
Cell membrane
Option A
B
Chromatin bodies
Option B
C
Ribosomes
Option C
D
Capsule
Option D
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MEDIUM
ENGLISH
Biology
The size of Spirochete is_____________?
A
0.1 -600 um
Option A
B
100-200 nm
Option B
C
500 um
Option C
D
0.75-1.25 um
Option D
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MEDIUM
ENGLISH
Biology
E. coli and example of entrobacteriace is important for causing diarrheal diseases its size is____________?
A
0.1-600 um
Option A
B
100-200 nm
Option B
C
1.1-1.5 um (width) 2.0-6.0 um (length)
Option C
D
0.75-1.25 um
Option D
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MEDIUM
ENGLISH
Biology
In bacterial categories the bacteria smaller in number are_______________?
A
Gram-ive bacteria
Option A
B
Eubacteria
Option B
C
Ancient bacteria
Option C
D
Gram +ive bacteria
Option D
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MEDIUM
ENGLISH
Biology
Germ theory of disease has________________postulates?
A
3
Option A
B
5
Option B
C
4
Option C
D
6
Option D
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MEDIUM
ENGLISH
Biology
Some bacteria ranging occasionally a size of 500 ?m in length are___________________?
A
Escherichia coli
Option A
B
Spirochetes
Option B
C
Mycoplasma
Option C
D
Epulopiscuim
Option D
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MEDIUM
ENGLISH
Biology
Coccobacillus has a shape similar to________________?
A
Diplobacillus
Option A
B
Sarcina
Option B
C
Egg
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Biology
The first bacterium isolated was_________________?
A
Coccus
Option A
B
Bacillus
Option B
C
Vibrio
Option C
D
Spirochete
Option D
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MEDIUM
ENGLISH
Biology
Which of the following bacteria are thick rigid and spiral______________?
A
Vibrio
Option A
B
Spirillum
Option B
C
Spirochete
Option C
D
Coccus
Option D
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MEDIUM
ENGLISH
Biology
A group of 8 cocci is called______________?
A
Diplococci
Option A
B
Octococci
Option B
C
Tetrad
Option C
D
Sarcina
Option D
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MEDIUM
ENGLISH
Biology
Approximately _____ species of bacteria are known to cause diseases in humans.
A
100
Option A
B
200
Option B
C
300
Option C
D
400
Option D
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MEDIUM
ENGLISH
Biology
Cyanobacteria reproduce by____________?
A
Binary fission
Option A
B
Mitosis
Option B
C
Meiosis
Option C
D
Conjugation
Option D
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MEDIUM
ENGLISH
Biology
Which of the following help cyanobacteria to locomote?
A
Flagella
Option A
B
Gas vesicles
Option B
C
Both of these
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Biology
Cyanobacteria have ________ cell wall?
A
Gram +ve.
Option A
B
Gram – ve.
Option B
C
Acid fast
Option C
D
Cellulose rich
Option D
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MEDIUM
ENGLISH
Biology
Who developed the vaccine against anthrax?
A
Louis Pasteur
Option A
B
Edward Jennar
Option B
C
Leuvenhoek
Option C
D
Alexander Fleming
Option D
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MEDIUM
ENGLISH
Biology
Chemical substances used on living tissues that inhibit the growth of micro organism are called___________?
A
Antiseptics
Option A
B
Disinfectants
Option B
C
Antibiotics
Option C
D
Vaccines
Option D
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MEDIUM
ENGLISH
Biology
Rapid growth at exponential ration occurs in which phase of bacterial growth:
A
Lag phase
Option A
B
Log phase
Option B
C
Stationary phase
Option C
D
Death / decline phase
Option D
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MEDIUM
ENGLISH
Biology
Spirochete is an example of___________?
A
Aerobic bacteria
Option A
B
Anaerobic bacteria
Option B
C
Facultative bacteria
Option C
D
Microaerophilic
Option D
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MEDIUM
ENGLISH
Biology
E. coli and example of____________?
A
Aerobic bacteria
Option A
B
Anaerobic bacteria
Option B
C
Facultative bacteria
Option C
D
Microaerophilic
Option D
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MEDIUM
ENGLISH
Biology
Nitrifying bacteria are the examples of___________?
A
Hetrotrophic bacteria
Option A
B
Chemosynthetic bacteria
Option B
C
Saprophytic bacteria
Option C
D
Parasitic bacteria
Option D
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