MCB3023 Latest Exam 1 Questions
And 100% Correct Answers 2025-2026
Edition.
The study of microbiology includes all of the following EXCEPT _____ .
a) plants
b) viruses
c) bacteria
d) fungi
e) algae - Answer a) plants
This early microbiologist used a swan-necked flask to help disprove the Theory of Spontaneous
Generation.
a) Louis Pasteur
b) Edward Jenner
c) Robert Koch
d) John Tyndall
e) Anton van Leeuwenhoek - Answer a) Louis Pasteur
Which of these are fossilized microbial mats containing photosynthetic bacteria?
a) Stromatolites
b) Biofilms
c) Resin
d) Cyanobacteria
e) Stalagmites - Answer a) Stromatolites
Which best describes the chemical structure of the Bacteria domain cytoplasmic membrane?
, e) A trilayer of phospholipids. - Answer a) A bilayer of phospholipids.
This early microbiology pioneer developed a set of criteria for linking a specific microorganism
to a specific disease.
a) Louis Pasteur
b) Edward Jenner
c) Robert Koch
d) John Tyndall
e) Anton van Leeuwenhoek - Answer c) Robert Koch
What protein plays an important role in determining cell shape by directing cell wall synthesis in
non-spherical bacteria?
a) ParM
b) MreB
c) PepZ
d) FtsZ
e) FlaA - Answer b) MreB
Which is the correct distinction between a heterotroph and an autotroph?
a) An autotroph utilizes organic compounds as a carbon source and a heterotroph uses carbon
dioxide as a carbon source.
b) An autotroph utilizes carbon dioxide as a carbon source and a heterotroph utilizes organic
compounds as a carbon source.
c) An autotroph utilizes complex organic compounds as a carbon source and a heterotroph
utilizes simple organic compounds as a carbon source.
d) An autotroph utilizes carbon dioxide as an energy source and a heterotroph utilizes organic
compounds as an energy source.
e) an autotroph utilizes organic compounds as an energy source and a heterotroph utilizes
carbon dioxide as an energy source . - Answer b) An autotroph utilizes carbon dioxide as a
carbon source and a heterotroph utilizes organic compounds as a carbon source.
And 100% Correct Answers 2025-2026
Edition.
The study of microbiology includes all of the following EXCEPT _____ .
a) plants
b) viruses
c) bacteria
d) fungi
e) algae - Answer a) plants
This early microbiologist used a swan-necked flask to help disprove the Theory of Spontaneous
Generation.
a) Louis Pasteur
b) Edward Jenner
c) Robert Koch
d) John Tyndall
e) Anton van Leeuwenhoek - Answer a) Louis Pasteur
Which of these are fossilized microbial mats containing photosynthetic bacteria?
a) Stromatolites
b) Biofilms
c) Resin
d) Cyanobacteria
e) Stalagmites - Answer a) Stromatolites
Which best describes the chemical structure of the Bacteria domain cytoplasmic membrane?
, e) A trilayer of phospholipids. - Answer a) A bilayer of phospholipids.
This early microbiology pioneer developed a set of criteria for linking a specific microorganism
to a specific disease.
a) Louis Pasteur
b) Edward Jenner
c) Robert Koch
d) John Tyndall
e) Anton van Leeuwenhoek - Answer c) Robert Koch
What protein plays an important role in determining cell shape by directing cell wall synthesis in
non-spherical bacteria?
a) ParM
b) MreB
c) PepZ
d) FtsZ
e) FlaA - Answer b) MreB
Which is the correct distinction between a heterotroph and an autotroph?
a) An autotroph utilizes organic compounds as a carbon source and a heterotroph uses carbon
dioxide as a carbon source.
b) An autotroph utilizes carbon dioxide as a carbon source and a heterotroph utilizes organic
compounds as a carbon source.
c) An autotroph utilizes complex organic compounds as a carbon source and a heterotroph
utilizes simple organic compounds as a carbon source.
d) An autotroph utilizes carbon dioxide as an energy source and a heterotroph utilizes organic
compounds as an energy source.
e) an autotroph utilizes organic compounds as an energy source and a heterotroph utilizes
carbon dioxide as an energy source . - Answer b) An autotroph utilizes carbon dioxide as a
carbon source and a heterotroph utilizes organic compounds as a carbon source.
