14 Questions
Which of the following terms describes cocci in grape-like clusters?
Staphylococci
What is the term for spherical or oval cells that occur in pairs?
Diplococci
What term is used for rigid organisms resembling fungi and exhibiting branching?
Actinomycetes
How are rod-shaped bacteria described based on their arrangement as a group of four?
Tetrad
Which of the following describes non-branched microorganisms of spiral shape with several coils?
Spirochaetes
What term is used to describe rod-shaped bacteria arranged in a chain?
Streptobacilli
Which of the following bacteria lacks a rigid cell wall?
Mycoplasmas
Which bacteria are regarded as obligate parasites and were once considered closely related to viruses?
Rickettsiae and Chlamydiae
Which bacteria are aerobic rods and known for causing life-threatening pneumonia?
Bacillus anthracis
Which bacteria is associated with food poisoning and has two distinct forms: emetic and diarrheal?
Bacillus cereus
Which bacteria is an example of a microaerophilic organism that grows under reduced oxygen?
Campylobacter jejuni
Which bacteria is known for producing highly heat-resistant spores and causing botulism?
Clostridium botulinum
Which bacteria is primarily a disease of herbivores but can also cause infection in humans?
Bacillus anthracis
Which bacteria produces a neurotoxin that gets absorbed into the body as the vegetative cells multiply?
Clostridium botulinum
Test your knowledge of the morphological classification of bacteria based on characteristics such as cell shape, size, structure, motility, and flagellar arrangement. Learn about the six major groups of bacteria based on their morphology and specific arrangements.
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