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Chapter 2 How Cells Function
Test Description: Biomolecules, photosynthesis, cellular respiration, osmosis, cell transport
Instructions: Answer all questions to get your test result.
1) Which three elements make up most of the human body?
A
oxygen, carbon, nitrogen
B
oxygen, carbon, hydrogen
C
carbon, hydrogen, nitrogen
D
oxygen, carbon, calcium
2) What two elements make up a water molecule?
A
hydrogen and oxygen
B
carbon and hydrogen
C
carbon and oxygen
D
helium and oxygen
3) What is the name of the process in which bonds between atoms are broken or new bonds are formed?
A
chemical reaction
B
atomic reaction
C
nucleic reaction
D
physical reaction
4) What biomolecule provides structure and stores energy in cells?
A
protein
B
carbohydrate
C
lipid
D
nucleic acid
5) What biomolecule is the main part of cell membranes?
A
lipid
B
nucleic acid
C
carbohydrate
D
protein
6) Which biomolecule holds the genetic information?
A
lipid
B
protein
C
carbohydrate
D
nucleic acid
7) Which biomolecule is made up of amino acids?
A
nucleic acid
B
lipid
C
protein
D
carbohydrate
8) How much of a cell is made up of water?
A
30 percent
B
90 percent
C
50 percent
D
70 percent
9) How many layers of lipids make up the cell membrane?
A
1
B
2
C
3
D
4
10) What process do plant cells use to change the energy in sunlight into the chemical energy in glucose?
A
cellular respiration
B
diffusion
C
osmosis
D
photosynthesis
11) What two processes are used by cells to release energy from glucose?
A
fermentation and diffusion
B
cellular respiration and fermentation
C
photosynthesis and fermentation
D
photosynthesis and cellular respiration
12) In which organelle does cellular respiration occur?
A
ribosome
B
chloroplast
C
mitochondrion
D
nucleus
13) Where does fermentation occur in the cell?
A
chloroplast
B
nucleus
C
mitochondrion
D
cytoplasm
14) What are two types of passive transport?
A
cytokinesis and diffusion
B
cytokinesis and osmosis
C
diffusion and osmosis
D
diffusion and fermentation
15) What is happening when water molecules move into and out of cells through a membrane?
A
osmosis
B
cytokinesis
C
active transport
D
fermentation
16) What is the process of using energy to move materials through a membrane?
A
passive transport
B
osmosis
C
diffusion
D
active transport
17) How does cell size affect how the cell moves materials into and out of the cell?
A
Smaller cells are more efficient.
B
Smaller cells are less efficient.
C
Larger cells use more cytoplasm to be efficient.
D
Larger cells have more places to move materials more efficiently.
18) What type of cells use cellular respiration?
A
both plant and animal cells
B
plant cells only
C
neither plant nor animal cells
D
animal cells only
19) Which of the following is a cellular process that releases energy that a cell can use?
A
cellular respiration
B
osmosis
C
active transport
D
photosynthesis
*select an answer for all questions
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