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WorksheetsIntro to micro LU 1
Total questions: 38
Worksheet time: 21mins
What is the study of shape calle?
mycology
morphology
bacteriology
Microbiology
Match the following
lophotrichous
a tuft of flagella at one or both ends
monotrichous
one flagellum at one end
peritrichous
at multiple sites around the bacteria
amphitrichous
a single flagellum at both ends
pili
does not play a role in motility
Which term best describes diplococci?
Cocci that divide and form end to end chains
Cocci that divide and form packets of eight
Cocci that divide and form pairs
Cocci that divide and form grap-like clusters
Based on the diagram, the flagella arrangement of bacteria cell is known as ___________.
Petritrichous
Monotrichous
Lophotrichous
Amphitrichous
Which of the following pathogen is the smallest?
viruses
bacteria
parasites
fungi
What is the shape and arrangement for a bacteria called Diplobacilli?
2 round shaped bacteria
cluster of circular bacteria
2 rod-shaped bacteria
string of rod-shaped bacteria
What is the shape and arrangement for the bacteria called Staphloycoccus ?
cluster of spiral shaped bacteria
end to en chain of round shaped bacteria
grape like cluster of spherical bacteria
pair of rod-shaped bacteria
What is the correct term for bacteria that are comma-shaped?
spirilla
cocccus
vibrio
bacilli
What is NOT true about endospores?
A dormant form of bacteria
Develops when growth conditions are poor
Allows for survival
Can only occur in tombs
Which organelle appears as an invagination of the plasma membrane and is the site of cellular respiration?
ribosomes
nuclear body
mesosomes
cytoplasm
What is the external structure of the plasma membrane of plants, fungi, and bacteria which provides structure, support, and protection for the cell called?
cell wall
capsule
cell membrane
endospore
cytoplasm
What is the process of bacteria forming spores called?
germination
vegetation
sporulation
capsulation
(a) the process in which white blood cells engulf and destroy microorganisms and other foreign bodies.
Bacteria that cause disease are referred to as (a)
In naming an organism, the first word is (a) an the second is (b)
What are the organs of bacterial motility called ?
pili
fimbriae
capsule
flagella
What separates the interior of the cell from the outside environment?
capsule
cell wall
cell membrane
cytoplasm
capsule
Bacteria that do not cause disease are called:
pathogenic
normal flora
non-pathogenic
endospores
What does virology study?
(a)
What is the science that studies of protozoa, which are eukaryotic, animal-like, unicellular organisms called?
bacteriology
parasitology
protozoology
virology
What is the degree to which a disease is produced referred to as?
pathogenicity
virulence
etiology
sporulation
This is selectively or semi-permeable which means that it allows only certain substances to enter and exit.
cell wall
cytoplasm
cell membrane
mesosomes
A spiral shaped bacteria that has a flexible cell wall is called:
spirochete
vibrio
bacilli
cocci
spirilla
Some bacteria have a mucilaginous or gelatinous envelope called a ________ which is located outside the cell wall and functions as a protective shell.
capsule
plasma membrane
endospore
mesosome
cell wall
Endospores or spores are NOT destroyed by the embalming process
True
False
Endospores are resistant to antibiotics, most disinfectants, and physical agents such as physical agents such as radiation, boiling and drying.
True
False
Fungi are only multicellular
True
False
This is composed of 80% water, is rich in enzymes, carbohydrates, and lipids and is located within the cell.
cytoplasm
cell wall
plasma membrane
nucleus
capsule
Which shape of bacteria only produce endospores?
rod
round
spherical
spiral
An organism that possesses a clearly defined nucleus referred to as (a) while those organism that lack a distinct nucleus and other organelles due to the absence of internal membranes are referred to as (b)
Bacteria are among the best-known prokaryotic organisms
True
False
Spores are most likely to form when:
bacteria has a plentiful food supply
conditions for reproduction are not favorable.
conditions for reproduction are very favorable.
bacteria are ready to produce
Which of the folliowing is the place for protein synthesis?
ribosomes
nucleus
mesosme
capsule
Capsules are ONLY present in spherical or rod-shaped bacteria, the cocci, and bacilli.
True
False
_____are bacteria that do not form spores or endospores.
vegetative bacteria
sporulative bacteria
germinating bacteria
reproductiv bacteria
Human remains are not sterilized during the embalming process therefore the endospores or spores will not be destroyed.
True
False
