E-PolyLearning

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

2. An antibiotic can discolor teeth of young children permanently is
a. Clindamycin
b. azithromycin
c. tetracycline
d. streptomycin
View Answer Report Discuss 50-50!
Answer: (c).tetracycline

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

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

5. Bacteria have single chromosome, i.e. they are
a. diploid
b. haploid
c. monoid
d. tetroid
View Answer Report Discuss 50-50!
Answer: (b).haploid

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