Welcome to the Shape And Size Of Bacteria MDCAT MCQs with Answers. In this post, we have shared Shape And Size Of Bacteria Multiple Choice Questions and Answers for PMC MDCAT 2024. Each question in MDCAT Biology offers a chance to enhance your knowledge regarding Shape And Size Of Bacteria MCQs in this MDCAT Online Test.
Bacteria that have a spherical shape are known as:
a) Bacilli
b) Spirilla
c) Cocci
d) Vibrios
Rod-shaped bacteria are referred to as:
a) Spirilla
b) Cocci
c) Bacilli
d) Vibrios
Spiral-shaped bacteria are called:
a) Cocci
b) Bacilli
c) Spirilla
d) Vibrios
Comma-shaped bacteria are known as:
a) Cocci
b) Bacilli
c) Spirilla
d) Vibrios
The average size of a typical bacterial cell is:
a) 1-5 micrometers
b) 10-20 micrometers
c) 50-100 micrometers
d) 0.1-0.5 micrometers
Bacteria that appear as clusters of spherical cells are called:
a) Streptococci
b) Staphylococci
c) Diplococci
d) Tetrads
Bacteria that form chains of rod-shaped cells are called:
a) Streptobacilli
b) Diplobacilli
c) Staphylobacilli
d) Spirilla
Which of the following bacteria are spiral and rigid?
a) Spirochetes
b) Spirilla
c) Vibrios
d) Bacilli
Diplococci refers to bacteria that are arranged:
a) In chains
b) In clusters
c) In pairs
d) In groups of four
Which bacteria are helical and flexible?
a) Spirilla
b) Bacilli
c) Spirochetes
d) Cocci
Which of the following bacteria is rod-shaped?
a) Staphylococcus
b) Streptococcus
c) Escherichia coli
d) Neisseria
Which term refers to bacteria that can exist in multiple shapes?
a) Monomorphic
b) Pleomorphic
c) Polymorphic
d) Isomorphic
Which bacteria are arranged in chains of spherical cells?
a) Staphylococci
b) Streptococci
c) Diplococci
d) Vibrios
The size of Mycoplasma bacteria is approximately:
a) 10 micrometers
b) 0.1 micrometers
c) 1 micrometer
d) 5 micrometers
Which bacteria are shaped like a curved rod?
a) Cocci
b) Bacilli
c) Vibrios
d) Spirilla
Which of the following is the smallest known bacterium?
a) Escherichia coli
b) Staphylococcus
c) Mycoplasma
d) Bacillus
Cocci that arrange themselves in groups of four are called:
a) Streptococci
b) Diplococci
c) Tetrads
d) Staphylococci
Bacilli that appear in pairs are called:
a) Diplobacilli
b) Streptobacilli
c) Vibrios
d) Spirilla
Which of the following bacteria are curved and often resemble a comma?
a) Spirilla
b) Vibrios
c) Cocci
d) Bacilli
Staphylococci bacteria are arranged in:
a) Chains
b) Pairs
c) Clusters
d) Spirals
The term “monomorphic” refers to bacteria that:
a) Have multiple shapes
b) Have a single shape
c) Lack a defined shape
d) Change shape with age
Bacilli are bacteria that are:
a) Round
b) Rod-shaped
c) Spiral
d) Comma-shaped
Bacteria that change their shape under different conditions are called:
a) Pleomorphic
b) Monomorphic
c) Spirilla
d) Bacilli
The average diameter of cocci bacteria is:
a) 1-2 micrometers
b) 5-10 micrometers
c) 10-20 micrometers
d) 0.1-0.5 micrometers
Which of the following is an example of pleomorphic bacteria?
a) Mycoplasma
b) Bacillus
c) Spirilla
d) Staphylococcus
Spirochetes are characterized by their:
a) Rod shape
b) Spiral and flexible shape
c) Spherical shape
d) Comma shape
The bacteria that exhibit a twisted spiral shape are called:
a) Bacilli
b) Cocci
c) Vibrios
d) Spirilla
What is the term for spherical bacteria that form chains?
a) Staphylococci
b) Diplococci
c) Streptococci
d) Tetrads
Which of the following describes bacteria that are round and occur in pairs?
a) Diplobacilli
b) Diplococci
c) Streptococci
d) Tetrads
Which bacteria exhibit a rod-like shape?
a) Staphylococcus
b) Streptococcus
c) Bacillus
d) Spirillum
The shape of Corynebacterium is described as:
a) Cocci
b) Bacilli
c) Club-shaped
d) Spiral
Which term refers to bacteria with a helical and rigid shape?
a) Spirilla
b) Vibrios
c) Cocci
d) Bacilli
What shape do bacilli bacteria exhibit?
a) Round
b) Spiral
c) Rod-shaped
d) Curved
Which bacteria are rod-shaped and arranged in pairs?
a) Diplobacilli
b) Streptobacilli
c) Staphylococci
d) Diplococci
Which bacteria have a spiral and flexible structure?
a) Bacilli
b) Vibrios
c) Spirochetes
d) Cocci
Vibrio bacteria are best described as:
a) Rod-shaped
b) Spiral
c) Comma-shaped
d) Round
The arrangement of bacteria in clusters is characteristic of:
a) Streptococci
b) Diplococci
c) Staphylococci
d) Vibrios
Which bacteria are shaped like a rod and often form chains?
a) Streptobacilli
b) Diplobacilli
c) Staphylobacilli
d) Spirilla
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