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Cells Unit Test Review 2
Test Description: Cells
Instructions: Answer all questions to get your test result.
1) What is the primary purpose of mitochondria in a cell?
A
They ship proteins and other substances across the cell membrane.
B
They convert food molecules into energy the cell can use.
C
They store genetic information.
D
They trap sunlight and use the energy to make food.
2) Which statement best describes cytoplasm?
A
gel-like substance
B
to produce energy
C
the outer layer
D
to remove waste
3) Which statement best describes chloroplasts?
A
to capture sunlight
B
to protect and support
C
to allow substances in and out
D
gel-like substance
4) Which of the following structures is only in a plant cell?
A
mitochondria
B
chloroplast
C
ribosome
D
nucleus
5) The diffusion of water through the cell membrane is called...
A
equilibrium
B
endocytosis
C
osmosis
D
active transport
6) A group of cells working together to perform a specific job is called...
A
tissue
B
organism
C
cells
D
organ system
7) How is active transport different from passive transport?
A
Passive transport does not require energy.
B
Passive transport involves larger particles.
C
Passive transport is used only to expel materials from the cell.
D
Passive transport involves only the movement of water.
8) If you compared the plant cell to a school, what organelle would the office represent?
A
nucleus
B
chloroplast
C
mitochondria
D
cytoplasm
9) If you compared the plant cell to a town, what organelle would the city limits represent?
A
cytoplasm
B
nucleus
C
lysosomes
D
cell membrane
10) If you compared the plant cell to a town, what organelle would the nuclear power plant represent?
A
mitochodria
B
nucleus
C
chloroplast
D
cytoplasm
11) What must cells do in order to grow and divide?
A
take in nutrients
B
reproduce
C
produce energy
D
make food
12) What is the proper order of the levels of organization of an organism?
A
cells, tissue, organ system, organ
B
cells, organ, tissue, cytoplasm
C
organelles, cells, organs, systems
D
cells, tissue, organ, organ system
*select an answer for all questions
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