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Biology — Test 21

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Question 1
Rapid growth at exponential ration occurs in which phase of bacterial growth:
Question 2
Spirochete is an example of___________?
Question 3
E. coli and example of____________?
Question 4
Nitrifying bacteria are the examples of___________?
Question 5
Those bacteria which are fully dependent upon their host for nutrition are called__________?
Question 6
Purple non-sulphur bacteria is an example of___________?
Question 7
Example of bacteria requiring low concentration of oxygen is__________?
Question 8
The common waste material in bacteria is____________?
Question 9
Which of the following contains genes for drug and disease resistance in bacteria?
Question 10
Which of the following bacteria do not have flagella commonly__________?