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Online Microbiology Test - Microbiology Test 2

Instruction:
  • This is a FREE online test. Beware of scammers who ask for money to attend this test.
  • Total number of questions: 20.
  • Time allotted: 30 minutes.
  • Each question carries 1 mark; there are no negative marks.
  • DO NOT refresh the page.
  • All the best!

Marks : 2/20

Total number of questions
20
Number of answered questions
0
Number of unanswered questions
20
Test Review : View answers and explanation for this test.
1.
Name the component of flagellum.
Filament
Hook
Basal body
All of these
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Learn more problems on : Bacteria Morphology
2.
Isozymes or iso enzymes are those enzyme which
have same structural forms
have different structural forms but identical catalytic properties
catalyses oxidation reactions
none of these
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Learn more problems on : Enzymes Regulation
3.
In the reaction, C6H12O6 + 6O2 → 6CO2 + 6H2O + energy, which component is being reduced?
O2
CO2
H2O
Energy
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Learn more problems on : Enzyme Reaction
4.
The ability of CTP to bind to aspartate carbamoyltransferase and shut down the synthesis of more CTP is an example of
enzyme induction
enzyme repression
feedback inhibition of enzyme activity
none of these
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Learn more problems on : Enzyme Reaction
5.
Dolichol phosphate is
a complex lipid involved in docking vesicles with the plasma membrane
the anchor on which sugars assemble before transfer to proteins
a chaperone used in protein folding
a product of phospholipase C activation
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Learn more problems on : Microbial Metabolism
6.
In the passive diffusion, solute molecules cross the membrane as a result of
concentration difference
pressure difference
ionic difference
all of these
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Learn more problems on : Microbial Metabolism
7.
Which type of genomics studies the transcripts and proteins expressed by a genome?
Comparative genomics
Structural genomics
Proteo genomics
Functional genomics
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Learn more problems on : Microbial Genetics
8.
What was the first bacterial genome to be sequenced and made public?
Bacillus subtilis
Escherichia coli
Haemophilus influenzae
No bacterial genome has been sequenced yet
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Learn more problems on : Translation and Regulation
9.
Which of the following infection(s) can be diagnosed by the use of polymerase chain reaction?
HIV-1 and HIV-2 viruses
Hepatitis B virus
Mycobacterium tuberculosis
All of these
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Learn more problems on : Polymerase Chain Reaction
10.
Which of the following theory of antibody production is most widely accepted?
Side chain theory
Clonal selection theory
Direct template theory
Indirect template theory
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Learn more problems on : Antibody
11.
Negative phase is observed in
secondary humoral response
primary humoral response
both (a) and (b)
none of the above
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Learn more problems on : Immune Response
12.
Cell wall protein of Streptococcus pyogenes crossreacts with human
synovial fluid
cardiac valves
myocardium
vascular intima
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Learn more problems on : Streptococcus
13.
Which of the following condition is non-suppurative sequelae of Streptococcus pyogenes infections?
Acute rheumatic fever
Acute glomerulonephritis
Erythema nodosum
All of these
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Learn more problems on : Streptococcus
14.
Traveller's diarrhea is caused by
enteropathogenic Escherichia coli (EPEC)
entero invasive E. coli (EIEC)
entero toxigenic E. coli (ETEC)
entero haemorrhagic E. coli (EHEC)
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Learn more problems on : Spirochacter and Enterobacteriaceac
15.
Salmonellae can also be killed by
pasteurisation
chlorination
boiling
all of these
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Learn more problems on : Spirochacter and Enterobacteriaceac
16.
In Widal test the significant titres for H agglutinins is
1:50 or more
1:100 ormore
1:200 or more
1:400 or more
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Learn more problems on : Spirochacter and Enterobacteriaceac
17.
Syntrophism involves
exchange of nutrients between two species
exchange of nutrients among species
no exchange of nutrients between two species
no exchange of nutrients among species
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Learn more problems on : Microbiology of Soils
18.
The crops which are involved in nitrogen fixation are
alfalfa and clover
soybean
bean and lupine
all of these
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Learn more problems on : Microbiology of Soils
19.
Which of the following Ascomycetes are used for riboflavin production?
Eremnothecium ashbyii
Ashbya gossypii
Candida guilliermondia
Both (a) and (b)
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Learn more problems on : Industrially Useful Microbial Processes
20.
Which of the following species of Clostridium is responsible for formation of dark green to black colours in cheese?
Clostridium tyrobutyricum
Clostridium sporogenes
Clostridium herbarum
None of these
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Learn more problems on : Milk and Milk Products
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