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Quiz 20
Mdcat-past-papers - ETEA Quiz
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Board: ETEA |
381. Rabies is caused by :
Paramyxovirus
Rhinovirus
Arbovirus
Rhabdovirus
382. Photosynthetic bacteria utilises H-S instead of water and liberate one of the following instead of oxygen:
Sulphur
Phosphorus
Calcium
Magnesium
383. A small biological unit that can evolve over time :
A specie
An organism
A population
Cell
384. The smallest known bacteria belong to the genus:
Mycoplasma
Escherichia
Streptococcus
Bacillus
385. Which statement about bacteria is true:
Gram positive bacteria have more lipids in their cell wall
Gram negative bacteria have more lipids in their cell wall
Lipids are absent in cell wall of both gram +ve and -ve
Both have equal amount of lipids
386. If lipopolysaccharide does not appear in the cell wall of bacteria on staining then it will be known as
Gram negative
Gram positive
Capsule
Gram +ve and -ve
387. Structure formed by invagination of plasma membrane and involved in cell division and DNA replication of prokaryotic cell:
Lysosomes
Mesosomes
Golgi bodies
Phragmoplasts
388. Which of the following is an example of spiral shaped bacteria ?
Diplococcus pneumonia
Hypomicrobium
Escherichia coli
Pseudomonas
389. Number of layers of cell wall in Gram positive bacteria is :
1
3
2
4
390. Bacterial genome becomes diploid:
After fertilization of gametes
Before spore formation
During binary fission
After binary fission
391. One of the following is CORRECT regarding flagella :
Made up of macrofilaments
Contains centrioles
Originates from basal bodies
They are immotile
392. Mesosomes are the invagination of bacterial cell structure :
Cell wall
Cell membrane
Plasmid
Cysts
393. Bacterial cell wall is made up of:
Cellulose and pectin
Cellulose and cutin
Hemicellulose and chitin
Amino acid and sugar
394. Mesosomes are invagination of which bacterial cell structure?
Cell wall
Cell membrane
Plasmid
Cysts
395. In which phase of bacterial growth, do they divide at exponential rate?
Lag phase
Log phase
Stationary phase
Decline phase
396. The cell wall of bacteria is made up of:
Chitin
Cellulose
Peptidoglycan
Pectin
397. The cells of non-virulent strain of streptococcus pneumoniae are:
Capsulated and called S-Type
Non-capsulated and S-Type
Capsulated and called R-Type
Non-capsulated and R-Type
398. A bacterium with single polar flagellum is:
Amphitrichous
Atrichous
Lophotrichous
Monotrichous
399. Endospore formation is:
A reproductive process
Can be reproductive or vegetative depending on the conditions
Is related to invading host cells
A vegetative process
400. E.coli is a _ bacteria.
facultative
anaerobic
Gram negative
All are features of E.coli
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