E-PolyLearning

6. Surface area/volume ratio of bacteria is exceedingly low compared to the same ratio for larger organisms of similar shape.
a. True
b. False
c. May be
d. Can't say
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Answer: (b).False

7. Bacteria with less than a complete twist or comma shaped is known as?
a. spirilla
b. helical
c. vibrioid
d. spirochetes
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Answer: (c).vibrioid

8. Which of the following are functions of stalk?
a. nutrient absorption
b. motility
c. attachment of the cells to surfaces
d. human infection
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Answer: (c).attachment of the cells to surfaces

9. Bacteria having cluster of flagella at both poles of cells are known as?
a. Lophotrichous
b. Peritrichous
c. Amphitrichous
d. Monotrichous
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Answer: (c).Amphitrichous

10. Salmonella typhi has which type of flagella arrangement?
a. Amphitrichous
b. Peritrichous
c. Monotrichous
d. Lophotrichous
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Answer: (b).Peritrichous

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