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Multiple Choice Quiz
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General Cell Structure
Multiple Choice Quiz
1
The cytoskeleton of a cell is comprised of:
A)
cell wall and membranes.
B)
nucleus and cytoplasm.
C)
intrinsic and extrinsic proteins.
D)
microtubules and microfilaments.
E)
organelles and crystals
2
A non-membrane organelle:
A)
ribosome
B)
mitochondrion
C)
microbody
D)
plastid
E)
endoplasmic reticulum
F)
dictyosome
3
Which is
not
a characteristic of leucoplasts?
A)
Bounded by a single membrane.
B)
Contain few thylakoids.
C)
Contain ribosomes in the stroma in juvenile stage.
D)
Vary in shape.
E)
Contain plastoglobuli.
4
Plant dictyosomes:
A)
have a preferred orientation of cis-faces towards the ER within a cell.
B)
are sites of transcription.
C)
are composed of stacks of cisternae.
D)
are involved in lipid synthesis.
E)
pack digestive enzymes in microtubules.
5
Photorespiration is primarily a function of:
A)
chloroplasts.
B)
microbodies.
C)
microtubules.
D)
mitochondria.
E)
dictyosomes.
6
Which is never found in a plant cell nucleus?
A)
Ribosomes
B)
Fibrillar centers
C)
Nucleolus
D)
DNA
E)
Endoplasmic reticulum
7
In membranes, oligosaccharides are most likely associated with:
A)
inner phospholipid layer.
B)
outer phospholipid layer.
C)
intrinsic proteins.
D)
cholesterol.
E)
hydrophobic unsaturated lipid chains.
8
Microtubules are:
A)
composed of actin.
B)
approximately 5-7 nm in diameter.
C)
organized with 13 subunits of structure in cross-section.
D)
elastically contractile.
E)
found only in association with chromosomes.
9
Which structures are
most
characteristic of plant cells?
A)
Mitochondria
B)
Nuclei
C)
Vacuoles
D)
Plastids
E)
Ribosomes
10
Which structure alone cannot be observed with light microscopy?
A)
Plastid
B)
Microfilament
C)
Nucleus
D)
Vacuole
E)
Cell wall
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