Worksheetsbio quiz 4.1-3
Total questions: 18
Worksheet time: 9mins
Name
Class
Date
1.
Chemical Energy is used by which types of cells?
a)
Plant Cells
b)
Animal Cells
c)
Bacteria Cells
d)
Archaebacteria Cells
2.
Energy is released from an ATP molecule for cellular processes when it
a)
has a phosphate group removed.
b)
stores an extra phosphate group.
c)
converts a phosphate group to ADP.
d)
produces a sugar molecule.
3.
Light is the source of energy in photosynthesis. What is the source of energy used in chemosynthesis?
a)
sunlight
b)
heat from hydrothermal vents
c)
chemical compounds
d)
amino acids
4.
4) Which of the following statements best describes the process of photosynthesis?
a)
a) Plants use oxygen to make simple sugars.
b)
b) Chlorophyll builds sugars in the thylakoid membrane.
c)
c) Light breaks down water molecules and releases carbon dioxide.
d)
d) Chloroplasts absorb sunlight and store chemical energy.
5.
5) What is the term for an organism that makes its own source of chemical energy?
a)
a) decomposer
b)
b) producer
c)
c) consumer
d)
d) protist
6.
6) The main light-absorbing molecules found in plant leaves are called
a)
a) chloroplasts.
b)
b) thylakoids
c)
c) chlorophyll.
d)
d) grana.
7.
7) The function of the light-dependent reactions is to
a)
a) build sugars.
b)
b) capture and transfer energy.
c)
c) release carbon dioxide.
d)
d) form water molecules.
8.
8) The light-independent reactions of photosynthesis need
a)
a) carbon dioxide.
b)
b) oxygen.
c)
c) water.
d)
d) cellulose.
9.
9) Where do the hydrogen ions for the photosystems of the light-dependent reactions come from?
a)
a) sugars
b)
b) sunlight
c)
c) acids
d)
d) water
10.
10) Which phrase best describes the electron transport chain in photosynthesis?
a)
a) a chain of photosynthetic proteins located in the stroma
b)
b) a collection of enzymes used to make ADP
c)
c) a series of proteins located in the thylakoid membrane
d)
d) a group of enzymes that carries energy to the Calvin cycle
11.
11) In the light-independent reactions of photosynthesis,
a)
a) CO2 enters the Calvin cycle and sugars are made.
b)
b) H2O is broken down and oxygen is released.
c)
c) NADPH is produced and transferred to photosystem I.
d)
d) electrons are energized and used to pump H+ ions.
12.
12) What is the relationship between the photosystems and the Calvin cycle?
a)
a) The photosystems produce ATP synthase for the Calvin cycle.
b)
b) The photosystems transfer hydrogen ions and carbon dioxide to the Calvin cycle.
c)
c) The photosystems transfer energy to the Calvin cycle through ATP and NADPH.
d)
d) The photosystems build sugars with the carbon dioxide produced by the Calvin cycle.
13.
If lipids contain more E than carbohydrates, why do we generally use sugars for E?
4 lines
14.
Why don’t we use proteins for E?
4 lines
15.
Where does the E you use ultimately come from?
4 lines
16.
How are the light-independent reactions actually dependent on sun light?
4 lines
17.
In e- transport, H+ is pushed into the thylakoid. Is this movement considered active or passive? Explain your answer.
4 lines
18.
From what you know about the Calvin cycle, tell me why Rubisco is considered to be the most important enzyme on the planet?
4 lines
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