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Chap 3 - Cells
Test Description: Parts and purpose of cells
Instructions: Answer all questions to get your test result.
1) Cells are the _____________ unit of life in all living things.
A
smallest
B
biggest
C
least important
D
least organized
2) Which of the following in NOT a many-celled organism?
A
bacteria
B
human
C
tree
D
dog
3) Your body contain about 10 _____________ cells.
A
one
B
million
C
trillion
D
thousand
4) DNA is a chemical that controls what ____________ an organism will have.
A
neither choice is correct
B
traits
C
environment
D
both choices are correct
5) A __________________ is a storage area for food, water, minerals, and wastes.
A
vacuum
B
nucleus
C
vacuole
D
mitochondria
6) In a ________________, the energy a cell needs is released from food.
A
vacuole
B
cell membrane
C
nucleus
D
mitochondrion
7) The ___________________ controls most of the cell's activities.
A
chloroplast
B
nucleus
C
nucleus
D
cell wall
8) A chromosome contains __________________.
A
DNA
B
cytoplasm
C
cell wall
D
chlorophyll
9) The _____________ forms a boundary between the plant or animal cell and its environment.
A
cytoplasm
B
cell membrane
C
cell wall
D
organelle
10) Cells that make up many-celled organisms are _________________.
A
able to carry out all life activities
B
specialized
C
none are correct
D
identical
11) ______________ are groups of similar cells that all do the same sort of work.
A
Organ system
B
Organ
C
Tissue
D
Cell
12) A(n) ___________ is a structure made up of two or more different types of tissue that work together.
A
tissue
B
organ
C
organ system
D
cell
13) _____________ is the gel-like substance that fills the cell.
A
chromosone
B
tissue
C
organelles
D
cytoplasm
14) Which of the following structures are found in plant cells but not animal cells?
A
cell walls and cell membranes
B
cell walls and chloroplasts
C
nucleus and cell wall
D
mitochondria and cell membranes
15) What cell structure contains the cell's genetic material?
A
Mitochondria
B
Vacuole
C
Nucleus
D
Cytoplasm
16) Which structure is a thin, flexible barrier around the cell?
A
Cell wall
B
Cytoplasm
C
Cell membrane
D
Chloroplast
17) What type of cells have cell membranes?
A
Animal cell only
B
Plant cell only
C
None are correct
D
Plant and animal cells
18) Releases energy that cells use.
A
Mitochondria
B
Chloroplast
C
Nucleus
D
Cytoplasm
19) Supports and provides structure for plant cells.
A
Cell wall
B
Cell membrane
C
Chloroplast
D
Nucleus
20) I am long and thin and can contract (become shorter). I have a lot of mitochondria because I use up large amounts of energy. What am I?
A
Muscle cells
B
Bone cells
C
Nerve cells
D
Blood cells
*select an answer for all questions
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