MICROBIOLOGY TEST QUESTION
BANK QUESTIONS AND VERIFIED
ANSWER; 100% CORRECT
a capsule or slime that forms a layer on the outside of
bacterial cells, allowing them to stick to surfaces, is called
a
A. glycocalyx
B. endospore
C. peptidoglycan
D. pellicle - correct answer- A
A culture medium consisting of agar, human blood, and
beef heart is a
A. reducing medium
B. differential medium
C. selective medium
D. complex medium
E. Chemically defined medium - correct answer-
D
,a gene is best defined as
A. a segment of DNA
B. three nucleotides that code for an amino acid
C. a sequence of nucleotides in RNA that codes for a
functional product
D. a sequence of nucleotides in DNA that codes for a
functional product
E. a transcribed unit of DNA - correct answer- D
a multicellular organism that has chitin cell walls and
absorbes organic material is a
A. Helminth
B. Bacterium
C. ALga
D. Fungus
E. virus - correct answer- D
a prokaryote that lacks peptidoglycan in its cell walls and
typically lives in extreme environments is called a
A. Archaean
,B. protozoan
C. Bacterium
D. ALga
E. Fungus - correct answer- A. Archaean
a single celled organism with a nucleus and chloroplasts is
a
A. Alga
B. Helminth
C. Virus
D. fungus
E. Bacterium - correct answer- A
A single celled, eukaryotic, motile organism that ingests its
food and has no cell wall is a
A. Bacterium
B. protozoan
C. Alga
D. fungus
, E. Virus - correct answer- B. protozoan
A single celled, eukaryotic, motile organism that ingests its
food is a
A. bacterium
B. Virus
C. Fungus
D. alga
E. protozoan - correct answer- E
according to the chemiosmotic mechanism, ATP is
generated when
A. A high-energy phosphate group is transferred from an
intermediate metabolite to ADP
B. Chlorophyll liberates an electron
C. Cells lyse in a hypotonic environment
D. protons flow across a membrane from an area of high
concentration to an area of low concentration
E. electrons are transferred between carrier molecules -
correct answer- D
BANK QUESTIONS AND VERIFIED
ANSWER; 100% CORRECT
a capsule or slime that forms a layer on the outside of
bacterial cells, allowing them to stick to surfaces, is called
a
A. glycocalyx
B. endospore
C. peptidoglycan
D. pellicle - correct answer- A
A culture medium consisting of agar, human blood, and
beef heart is a
A. reducing medium
B. differential medium
C. selective medium
D. complex medium
E. Chemically defined medium - correct answer-
D
,a gene is best defined as
A. a segment of DNA
B. three nucleotides that code for an amino acid
C. a sequence of nucleotides in RNA that codes for a
functional product
D. a sequence of nucleotides in DNA that codes for a
functional product
E. a transcribed unit of DNA - correct answer- D
a multicellular organism that has chitin cell walls and
absorbes organic material is a
A. Helminth
B. Bacterium
C. ALga
D. Fungus
E. virus - correct answer- D
a prokaryote that lacks peptidoglycan in its cell walls and
typically lives in extreme environments is called a
A. Archaean
,B. protozoan
C. Bacterium
D. ALga
E. Fungus - correct answer- A. Archaean
a single celled organism with a nucleus and chloroplasts is
a
A. Alga
B. Helminth
C. Virus
D. fungus
E. Bacterium - correct answer- A
A single celled, eukaryotic, motile organism that ingests its
food and has no cell wall is a
A. Bacterium
B. protozoan
C. Alga
D. fungus
, E. Virus - correct answer- B. protozoan
A single celled, eukaryotic, motile organism that ingests its
food is a
A. bacterium
B. Virus
C. Fungus
D. alga
E. protozoan - correct answer- E
according to the chemiosmotic mechanism, ATP is
generated when
A. A high-energy phosphate group is transferred from an
intermediate metabolite to ADP
B. Chlorophyll liberates an electron
C. Cells lyse in a hypotonic environment
D. protons flow across a membrane from an area of high
concentration to an area of low concentration
E. electrons are transferred between carrier molecules -
correct answer- D
