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Kingdom Monera Kingdom Protista - Questions and Answers

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81. Under optimum conditions, bacteria divide at intervals of
A. 24 hours
B. 60 minutes
C. 20 minutes
D. 10 minutes
Explanation:
82. Tetracycline is extracted from
A. Streptomyces rimosus
B. Streptomyces aurofaciens
C. Streptomyces scoleus
D. Bacillus licheniformis
Explanation:
83. The technique of developing pure culture of bacteria was developed by
A. J. Lister
B. R. Koch
C. L. Pasteur
D. A.V. Leeuwenhoek
Explanation:
84. In Oscillatoria, the cell area around the nucleoid is called
A. Centrosome
B. Nucleoplasm
C. Centroplasm
D. Chromoplasm
Explanation:
85. Some chemosynthetic bacteria use energy obtained from oxidising
A. N2
B. H2S
C. Phosphorus
D. CO2
Explanation:
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