UIUC MCB 100 EXAM 1 PRACTICE | 2025/2026
UPDATE | QUESTIONS AND ANSWERS | 100%
CORRECT!!
Which one of the following types of microorganism is characterized by having
eukaryotic type cells that lack a cell wall?
A. archaea
B. protozoa
C. mold
D. virus
E. yeast Answer - B
Which one of the following groups of microorganisms includes some examples
that have genomic information stored as RNA rather than DNA?
A. archaea
B. protozoa
C. mold
D. virus
E. yeast Answer - D
Who (and when) is credited with first proving that a specific disease is caused
by a specific type of bacteria?
,A. Aristotle (ca. 200 BC)
B. Girolamo Fracostoro (1546)
C. Antony Van Leeuwenhoek (1676)
D. Louis Pasteur (1861)
E. Robert Koch (1876) Answer - E
The discovery that the Archaea are a group of prokaryotic microorganisms that
are distinctly different from the bacteria occurred in the _______________.
A. late 1500s
B. late 1600s
C. late 1700s
D. late 1800s
E. late 1900s Answer - E
Which one of the following types of microorganism is characterized by having
eukaryotic cells, a cell wall that is composed of chitin, does not carry out
photosynthesis and is unicellular?
A. algae
B. bacteria
C. protozoa
D. mold
E. yeast Answer - E
, Which one of the following statements about the sizes of microorganisms and
the components they are made of is false?
A. A typical virus is larger than a typical protein.
B. A typical bacterium is larger than a typical virus.
C. A typical bacterium is smaller than a typical eukaryotic cell.
D. A typical virus is larger than a typical protozoa.
E. A typical sugar molecule is smaller than a typical protein. Answer - D
To satisfy Koch's postulates you must:
A. be able to identify the suspected microorganism.
B. be able to obtain a pure culture of the suspected microorganism.
C. produce the disease of interest in an experimentally inoculated host.
D. be able to detect the suspected microorganism in all patients that have the
disease.
E. all of the above. Answer - E
Which one of the following structures is a feature of all cellular life forms.
A. a nucleus that is surrounded by a membrane.
B. mitochondria.
C. transfer RNAs (tRNA)
D. cell wall
E. endoplasmic reticulum Answer - C
Which one of the following is not an organic compound?
UPDATE | QUESTIONS AND ANSWERS | 100%
CORRECT!!
Which one of the following types of microorganism is characterized by having
eukaryotic type cells that lack a cell wall?
A. archaea
B. protozoa
C. mold
D. virus
E. yeast Answer - B
Which one of the following groups of microorganisms includes some examples
that have genomic information stored as RNA rather than DNA?
A. archaea
B. protozoa
C. mold
D. virus
E. yeast Answer - D
Who (and when) is credited with first proving that a specific disease is caused
by a specific type of bacteria?
,A. Aristotle (ca. 200 BC)
B. Girolamo Fracostoro (1546)
C. Antony Van Leeuwenhoek (1676)
D. Louis Pasteur (1861)
E. Robert Koch (1876) Answer - E
The discovery that the Archaea are a group of prokaryotic microorganisms that
are distinctly different from the bacteria occurred in the _______________.
A. late 1500s
B. late 1600s
C. late 1700s
D. late 1800s
E. late 1900s Answer - E
Which one of the following types of microorganism is characterized by having
eukaryotic cells, a cell wall that is composed of chitin, does not carry out
photosynthesis and is unicellular?
A. algae
B. bacteria
C. protozoa
D. mold
E. yeast Answer - E
, Which one of the following statements about the sizes of microorganisms and
the components they are made of is false?
A. A typical virus is larger than a typical protein.
B. A typical bacterium is larger than a typical virus.
C. A typical bacterium is smaller than a typical eukaryotic cell.
D. A typical virus is larger than a typical protozoa.
E. A typical sugar molecule is smaller than a typical protein. Answer - D
To satisfy Koch's postulates you must:
A. be able to identify the suspected microorganism.
B. be able to obtain a pure culture of the suspected microorganism.
C. produce the disease of interest in an experimentally inoculated host.
D. be able to detect the suspected microorganism in all patients that have the
disease.
E. all of the above. Answer - E
Which one of the following structures is a feature of all cellular life forms.
A. a nucleus that is surrounded by a membrane.
B. mitochondria.
C. transfer RNAs (tRNA)
D. cell wall
E. endoplasmic reticulum Answer - C
Which one of the following is not an organic compound?
