ESSENTIAL CELL BIOLOGY QUIZ -
CHAPTER #1 EXAM QUESTIONS AND
ANSWERS
Which of the following are prokaryotes?
A: bacteria and fungi
B: archaea and bacteria
C: plants and animals
D: animals and archaea - ANSWER-B: archaea and bacteria
The DNA in the nucleus of eukaryotic cells is separated from the cytoplasm by the:
A: endoplasmic reticulum.
B: plasma membrane.
C: cell wall.
D: nuclear envelope. - ANSWER-D: nuclear envelope.
T/F: At a molecular level, the members of the two domains of prokaryotes—the archaea
and bacteria—differ as much from each other as either does from the eukaryotes. -
ANSWER-TRUE
Which statement is NOT true of chloroplasts?
A: Chloroplasts are present in essentially all eukaryotic cells.
B: Chloroplasts are thought to have originated from bacteria.
C: Chloroplasts contain their own DNA.
D: Each has an internal stack of membranes and is enclosed by two membranes.
E: Chloroplasts produce food molecules and generate oxygen. - ANSWER-A:
Chloroplasts are present in essentially all eukaryotic cells.
Which statement is NOT true of mitochondria?
A: Mitochondria contain their own DNA.
B: Mitochondria are thought to have originated from bacteria.
C: Mitochondria are not present in plant cells.
D: Mitochondria generate chemical energy for the cell.
E: Mitochondria have an inner and outer membrane. - ANSWER-C: Mitochondria are
not present in plant cells
, Which of the following organelles is an irregular maze of interconnected spaces
enclosed by a membrane that functions as the site where most cell membrane
components, as well as materials destined for export from the cell, are made?
A: lysosome
B: peroxisome
C: the Golgi apparatus
D: mitochondrion
E: the endoplasmic reticulum - ANSWER-E: the endoplasmic reticulum
Which of the following organelles is a small, irregularly shaped organelle in which
intracellular digestion occurs?
A: lysosome
B: the endoplasmic reticulum
C: mitochondrion
D: peroxisome
E: the Golgi apparatus - ANSWER-A: lysosome
Which of the following organelles is a stack of flattened membrane-enclosed sacs,
functioning in receiving and often chemically modifying the molecules made in the
endoplasmic reticulum, and then directing them to the exterior of the cell or to various
locations inside the cell?
A: mitochondrion
B: lysosome
C: peroxisome
D: the Golgi apparatus
E: nucleus - ANSWER-D: the Golgi apparatus
What mediates the exchange of materials between the endoplasmic reticulum, Golgi
apparatus, the lysosomes, and the outside of the cell?
A: ribosomes
B: peroxisomes
C: the cytosol
D: mitochondria
E: vesicles - ANSWER-E: vesicles
What is the name of the process by which eukaryotic cells engulf material captured from
an external medium?
A: endocytosis
B: mitosis
C: exocytosis
D: symbiosis - ANSWER-A: endocytosis
CHAPTER #1 EXAM QUESTIONS AND
ANSWERS
Which of the following are prokaryotes?
A: bacteria and fungi
B: archaea and bacteria
C: plants and animals
D: animals and archaea - ANSWER-B: archaea and bacteria
The DNA in the nucleus of eukaryotic cells is separated from the cytoplasm by the:
A: endoplasmic reticulum.
B: plasma membrane.
C: cell wall.
D: nuclear envelope. - ANSWER-D: nuclear envelope.
T/F: At a molecular level, the members of the two domains of prokaryotes—the archaea
and bacteria—differ as much from each other as either does from the eukaryotes. -
ANSWER-TRUE
Which statement is NOT true of chloroplasts?
A: Chloroplasts are present in essentially all eukaryotic cells.
B: Chloroplasts are thought to have originated from bacteria.
C: Chloroplasts contain their own DNA.
D: Each has an internal stack of membranes and is enclosed by two membranes.
E: Chloroplasts produce food molecules and generate oxygen. - ANSWER-A:
Chloroplasts are present in essentially all eukaryotic cells.
Which statement is NOT true of mitochondria?
A: Mitochondria contain their own DNA.
B: Mitochondria are thought to have originated from bacteria.
C: Mitochondria are not present in plant cells.
D: Mitochondria generate chemical energy for the cell.
E: Mitochondria have an inner and outer membrane. - ANSWER-C: Mitochondria are
not present in plant cells
, Which of the following organelles is an irregular maze of interconnected spaces
enclosed by a membrane that functions as the site where most cell membrane
components, as well as materials destined for export from the cell, are made?
A: lysosome
B: peroxisome
C: the Golgi apparatus
D: mitochondrion
E: the endoplasmic reticulum - ANSWER-E: the endoplasmic reticulum
Which of the following organelles is a small, irregularly shaped organelle in which
intracellular digestion occurs?
A: lysosome
B: the endoplasmic reticulum
C: mitochondrion
D: peroxisome
E: the Golgi apparatus - ANSWER-A: lysosome
Which of the following organelles is a stack of flattened membrane-enclosed sacs,
functioning in receiving and often chemically modifying the molecules made in the
endoplasmic reticulum, and then directing them to the exterior of the cell or to various
locations inside the cell?
A: mitochondrion
B: lysosome
C: peroxisome
D: the Golgi apparatus
E: nucleus - ANSWER-D: the Golgi apparatus
What mediates the exchange of materials between the endoplasmic reticulum, Golgi
apparatus, the lysosomes, and the outside of the cell?
A: ribosomes
B: peroxisomes
C: the cytosol
D: mitochondria
E: vesicles - ANSWER-E: vesicles
What is the name of the process by which eukaryotic cells engulf material captured from
an external medium?
A: endocytosis
B: mitosis
C: exocytosis
D: symbiosis - ANSWER-A: endocytosis
