Forms Of Bacteria Flashcards
(32 cards)
What is the basic shape of cocci bacteria?
Spherical
True or False: Bacilli bacteria are rod-shaped.
True
Fill in the blank: Bacteria that are spiral-shaped are called __________.
spirilla
What term describes bacteria that are comma-shaped?
Vibrio
Which of the following is NOT a form of bacteria? a) Cocci b) Bacilli c) Spirilla d) Fungi
d) Fungi
What is the arrangement of cocci bacteria in chains called?
Streptococci
What is the arrangement of cocci bacteria in clusters called?
Staphylococci
True or False: Bacilli can only exist as single cells.
False
What are bacteria that occur in pairs called?
Diplococci
Fill in the blank: Bacteria that appear as a cluster of rods are known as __________.
palisades
What is the term for bacteria that can change shape?
Pleomorphic
Which bacterial form is characterized by a helical structure?
Spirochetes
True or False: All bacteria are prokaryotic organisms.
True
What is the primary method of bacterial classification based on shape?
Morphology
Which type of bacteria is known for its corkscrew movement?
Spirochetes
Fill in the blank: The term for bacteria that grow in a cluster is __________.
Staphylococcus
What is the difference between aerobic and anaerobic bacteria?
Aerobic bacteria require oxygen, while anaerobic bacteria do not.
Which bacterial arrangement refers to a pair of cocci?
Diplococci
What is the term for bacteria that can form endospores?
Endospore-forming bacteria
True or False: All bacteria reproduce asexually through binary fission.
True
What bacterial shape is associated with the term ‘bacillus’?
Rod-shaped
Fill in the blank: Bacteria that are elongated and curved are called __________.
Vibrios
What type of bacteria typically have a thick peptidoglycan layer?
Gram-positive bacteria
Which of the following is a characteristic of gram-negative bacteria? a) Thick cell wall b) Thin cell wall c) No outer membrane
b) Thin cell wall