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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
least organized
B
smallest
C
least important
D
biggest
2) Which of the following in NOT a many-celled organism?
A
tree
B
bacteria
C
dog
D
human
3) Your body contain about 10 _____________ cells.
A
thousand
B
one
C
trillion
D
million
4) DNA is a chemical that controls what ____________ an organism will have.
A
both choices are correct
B
environment
C
traits
D
neither choice is correct
5) A __________________ is a storage area for food, water, minerals, and wastes.
A
vacuum
B
mitochondria
C
vacuole
D
nucleus
6) In a ________________, the energy a cell needs is released from food.
A
cell membrane
B
vacuole
C
mitochondrion
D
nucleus
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
cell wall
B
cell membrane
C
cytoplasm
D
organelle
10) Cells that make up many-celled organisms are _________________.
A
identical
B
none are correct
C
able to carry out all life activities
D
specialized
11) ______________ are groups of similar cells that all do the same sort of work.
A
Organ system
B
Tissue
C
Organ
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 system
C
organ
D
cell
13) _____________ is the gel-like substance that fills the cell.
A
chromosone
B
organelles
C
cytoplasm
D
tissue
14) Which of the following structures are found in plant cells but not animal cells?
A
nucleus and cell wall
B
mitochondria and cell membranes
C
cell walls and chloroplasts
D
cell walls and cell membranes
15) What cell structure contains the cell's genetic material?
A
Vacuole
B
Cytoplasm
C
Nucleus
D
Mitochondria
16) Which structure is a thin, flexible barrier around the cell?
A
Cell membrane
B
Chloroplast
C
Cell wall
D
Cytoplasm
17) What type of cells have cell membranes?
A
Plant and animal cells
B
Animal cell only
C
None are correct
D
Plant cell only
18) Releases energy that cells use.
A
Chloroplast
B
Nucleus
C
Mitochondria
D
Cytoplasm
19) Supports and provides structure for plant cells.
A
Cell wall
B
Nucleus
C
Chloroplast
D
Cell membrane
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
Nerve cells
B
Muscle cells
C
Blood cells
D
Bone cells
*select an answer for all questions
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