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Quiz 126
Mdcat-past-papers Quiz
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2501. Endospore formation is:
A reproductive process
Can be reproductive or vegetative depending on the conditions
Is related to invading host cells
A vegetative process
2502. Which component is present only in the cell wall of Gram-positive bacteria but Not in Gram-negative bacteria?
Teichoic acid
Lipids
Peptidoglycan
Periplasmic space
2503. The peptidoglycan cell wall is specific to:
Amoeba
Protozoa
Bacteria
Virus
2504. Bacteria that lack flagella are called:
Amphitrichous
Atrichous
Lophotrichous
Peritrichous
2505. Which of the following is NOT true about plasmids found in streptococci?
Carry fewer genes than the chromosome
Replicate autonomously from the chromosome
They are considered as genetic element
The bacterial chromosome depends on plasmids for replication
2506. Which of the following bacteria produces endospores?
Gram Negative
Gram Positive
Both
Myobacterium
2507. The bacteria without any flagella is:
atrichous
monotrichous
lophotrichous
amphitrichous
2508. Which of the following has chlorophyll?
cyanobacteria
Nostoc
oscillatoria
All have chlorophyll
2509. Damage to which of the following part causes death of cell?
capsule
cell membrane
cell wall
slime
2510. Envelope of bacteria does not include:
Capsule
slime
cell wall
cell membrane
2511. E.coli is a _ bacteria.
facultative
anaerobic
Gram negative
All are features of E.coli
2512. Which true prokaryotic bacteria is photosynthetic?
Nostoc
oscillatoria
anabaena
all
2513. Bacteria which lie in large intestine of humans and produce vitamin K belongs to:
Cocci
Spirilli
Bacilli
None
2514. Cyanobacteria are photosynthetic in nature and are related to eukaryotic organisms having:
PSI
PSII
Both PSI & PSII
Lack Both PSI & PSII
2515. Cysts are not resistant to but spores are:
Light
Desiccation
pH
Heat
2516. In which phase of bacterial growth, They divide at exponential rate:
Lag phase
Log phase
Stationary phase
Decline phase
2517. In bacteria the resistance against heat is provided by:
Granules
Cysts
spores
plasmids
2518. increases the pathogenecity of bacteria:
Capsule
Slime
Cell wall
Cell membrane
2519. Antibiotics that kills microbes immediately are called :
Microbiostatic
Microbicidal
Biostatic
Chemotheropeutic
2520. Which of following antibiotic can cause permanent discoloration in young children if misused:
Penicillin
Streptomycin
Sulfonamide
Tetracycline
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