MDCAT MCQs

Shape And Size Of Bacteria MDCAT MCQs with Answers

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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