Mid micro
Microbiology Mastery Quiz
Test your knowledge in microbiology with our engaging quiz! This quiz is designed for anyone interested in the fascinating world of microorganisms, their fun
Features:
- 47 thought-provoking questions
- Covers essential topics in microbiology
- Perfect for students, teachers, and enthusiasts alike
Filtration Is the preferred method of sterilizing for
Glass ware
Surglcal Instruments
Heat resistant components
Heat-sensitive components
,,,,,Introduce an noculum onto the surface of Petri dish
Spread plate
Both of them
Pour Plate
None of them
In DNA Replication:The two strands separate at ....
New strand
Promoter
Replication fork
None of them
Bacteria that grow at pH 7-12 or higher are probably which of the following
Acidophilis
Aerobes
Neutrophils
Alkaliphiles
In Gram-positive bacteria a smaller ------------is found between the inner membrane and the peptidoglycan layer
Outer membrane
Periplasmic space
None of them
Inner membrane
Minor proteins termed - - - - - - » are located at the tips of plli and are responsible for the attachment properties *
Adheslns
Flagellin
Piling
None of them
The bacterial cell wall owes its strength to a layer composed of a substance known as -----
Murein
LPS
Capsule
Pill
...In Gram posltlvo Lmctarln comprises the lunar will cell momhrano and the coll
Cell envelop
Outer membrane
None of them
LPS
The adverse effect of Tetracyclenes is ,,,
Staining and deformity of teeth in children
Headache
Dry mouth
Staining of skin
Tranlposons
All of them
Are also known as iumplng genes
Genetic elements that transfer DNA
Transfer antibiotic resistant genes between bacteria
RTF is ....In plasmid
ReveErSe transfer factor
Replication transfer factor
Resistance transfer factor
None of them
Quinolones inhibit the.... Of bacteria. *
DNA gyrase
Bacterial cell wall
Spore formation
Capsule formation
How do bacteria acquire new genetic Information? '
All of them
Transduction
Transformation
Conjugation
B-lactamase can inactivate by cleaving the [3- lactam ring of the drug. *
Penicillins and cephalosporins
Ciprofloxacin
Ouinolones
Tetracyclenes
----------------- are protein molecules that are responsible for degenerative central nervous system disease of animals
Prlons
Chlamydiae
Rickettsiae
Viroids
----------- these bacteria has two rod shaped cells which are attached to each other
Streptobacilli
All of them
Diplobacilli
Diplococci
Conjugation; Requires contact between.... And recpient cell f-
Only one bacteria
Bacterlophage
Recipient cell F
Donor cell F+
----------- require very high salt concentrations
Obligate halophlles
Halophiles
All of them
Facultative Halophiles
Most bacteria are classified as gram positive or gram negative according to their response to the procedure
All of them
Differential staining
SimpIe staining
Gram staining
Penicillins and cephalosporins inhibit the ......of bacteria
Bacterial cell wall
DNA synthesis
Both a and b
RNA synthesis
The one exception to the capsule polysaccharide structure is the poly_D glutamic acid capsule of-
All of them
Clostridium sp
S.aurous
Bacillus anthracis
Slime Layer refers to a loose network of polysaccharide fibrils that surrounds some bacterial - - - - *
Nucleold
Cell walls
Endospore
Plasmids
The funcitlon of DNA Polymerase is .
Cuts new DNA
Syntheslzes new DNA
Deletes new DNA
Ligates new DNA
The function of DNA ligase is...
Cuts the fragments
Adds the fragments
) Stitches the fragments together
Deletes the fragments
Chemoprophylaxis: It is the process in which the antibiotics are used to prevent diseases from ...
Denaturation
Translation
Occurring
Synthesis
Transduction :DNA is passed from one bacterium to another by...... (generalized & specialized)."
Bacteria
Naked DNA
Fungi
Bacteriophage
....are small circular, non-chromosomal double-strand DNA molecules that are capable of self replication
All of them
Plasmids
Pill
Fimbria
Chlorine is a powerful oxidizing agent that kills by cross-linking essential ..... In enzyme to form the inactive disulfide
Phosphate group
None of them
Sulfhydryle groups
T-T dimer
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