Nitrifying bacteria are examples of which type of bacteria?
Correct answer A. Chemosynthetic bacteria
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Everyday Science MCQs
Page 118 of Everyday Science multiple-choice questions with answers. Tap an option to check yourself.
Page 118 of 198
E. coli is an example of which type of bacterium?
Correct answer A. Facultative bacteria
What kind of bacterium is a spirochete?
Correct answer B. Anaerobic bacteria
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In which phase of bacterial growth does rapid, exponential growth occur?
Correct answer A. Log phase
What are chemical substances applied to living tissue to inhibit microbial growth called?
Correct answer D. Antiseptics
Who developed a vaccine against anthrax?
Correct answer A. Louis Pasteur
What type of cell wall do cyanobacteria have?
Correct answer B. Gram-negative
What helps cyanobacteria move?
Correct answer A. Gas vesicles
How do cyanobacteria reproduce?
Correct answer A. Binary fission
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Approximately how many species of bacteria are known to cause disease in humans?
Correct answer B. 200
What is a cubical group of eight cocci called?
Correct answer C. Sarcina
Which bacteria are thick, rigid and spiral in shape?
Correct answer D. Spirillum
Which was the first bacterium to be isolated?
Correct answer B. Bacillus
What is the shape of a coccobacillus similar to?
Correct answer A. Egg
Which bacteria sometimes reach lengths of up to 500 µm?
Correct answer C. Spirochetes
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How many postulates does the germ theory of disease (Koch’s postulates) have?
Correct answer D. 4
Which category of bacteria is fewer in number?
Correct answer A. Ancient bacteria
E. coli, a member of the Enterobacteriaceae that causes diarrhoeal diseases, has what size?
Correct answer D. 1.1–1.5 µm (width), 2.0–6.0 µm (length)
What length can a spirochaete reach?
Correct answer D. 500 µm
Which structure is not found in all bacteria?
Correct answer B. Capsule