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301.

What is correct about Escherichia coli and Rhizobium japonicum ?A. E. coli Gram (-) and R. japonicun Gram (+)B. Both Gram (+)C. Both Gram (-)D. E. coli Gram (+) and R. japonicun Gram (-)

Answer» Correct Answer - C
Discussion
302.

In which of the following will you look for Escherichia coliA. WaterB. SoilC. MilkD. Human intestine.

Answer» Correct Answer - D
Discussion
303.

DNA of Escherichia coli isA. ss and circularB. ss and linearC. ds and linearD. ds and circular.

Answer» Correct Answer - D
Discussion
304.

Which one is nonpathogenic bacterium of colon?A. Balantidium coliB. Entamoeba coliC. Enterobium vermicularisD. Escherichia coli.

Answer» Correct Answer - D
Discussion
305.

Escherichia coli present in human colon isA. ParasiteB. CommensalC. SymbiontsD. Saprophyte.

Answer» Correct Answer - B
Discussion
306.

Vinegar is produced byA. Two step process first fermentation of suger by Yeast, second fermentation of ethyl alcohol by acetic acid bacteriaB. Fermentation of suger by LactobacillusC. Fermentation of suger by AspergillusD. Fermentation of suger by Saccharomycs cerevisiae.

Answer» Correct Answer - A
Discussion
307.

Bordetella pertussis causesA. Whooping coughB. MeningitisC. InfluenzaD. Pneumonia.

Answer» Correct Answer - A
Discussion
308.

Selcet correct answer according to code 1,2,3 correct ,1 and 2 correct 2 and 4 correct , 1 and 3 correct. What is true for archaebacteria Extreme halophiles ,extreme thermophiles, Methanogens , Occur- rence of peptidoglycan in cell wall.A. (A)B. (B)C. ( C)D. (D)

Answer» Correct Answer - A
Discussion