1. | Phase in which death rate is equal to reproduction and multiplication rate is |
a. | action phase |
b. | stationary phase |
c. | medial phase |
d. | cease phase |
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Answer: (b).stationary phase
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2. | An antibiotic can discolor teeth of young children permanently is |
a. | Clindamycin |
b. | azithromycin |
c. | tetracycline |
d. | streptomycin |
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Answer: (c).tetracycline
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3. | Bacteria which obtain their food from dead organic matter called as |
a. | heterotrophs |
b. | autotrophs |
c. | saprophytic |
d. | symbiotic |
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Answer: (c).saprophytic
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4. | When rod shaped bacteria appears to be in pair arrangement it is termed as |
a. | staphylococci |
b. | bacillus |
c. | diplobacilli |
d. | streptobaccili |
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Answer: (c).diplobacilli
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5. | Bacteria have single chromosome, i.e. they are |
a. | diploid |
b. | haploid |
c. | monoid |
d. | tetroid |
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Answer: (b).haploid
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