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WorksheetsUnit 4 Review Biology
Total questions: 56
Worksheet time: 28mins
Which of the following is NOT part of an ATP molecule?
adenine
bicarbonate
phosphate
ribose sugar
How is ADP different from ATP?
ADP can store more energy than ATP
ADP has one more phosphate than ATP
ADP has one less phosphate than ATP and can store less energy
ATP has one more phosphate than ADP and can store less energy
When is energy released from ATP?
A chemical bond is broken when phosphate is removed
A chemical bond is formed when a phosphate is added
Energy is released when the ribose sugar is broken down
Energy is released when adenosine is removed
Which cellular process does NOT use ATP?
active transport
sodium-potassium pump
osmosis
cellular movement
Which of the following is an example of an autotrough?
A mushroom
A worm
A bird
algea
Which of the following is a characteristic of a heterotrough?
gains energy directly from sunlight
uses pigments to absorb visible light
uses chemosynthesis to make carbon based molecules
consumes other organisms for energy
Which chemical equation correctly represents photosynthesis?
CO2 + O2 --> C6H12O6 + H2O
CO2 + H2O --> C6H12O6 + O2
C6H12O6 + O2 ---> CO2 + H2O
H2O + O2 ---> CO2 + C6H12O6
Which of the following does NOT occur in the light dependent stage?
chlorophyll absorbs energy
carbon dioxide combines with hydrogen to form glucose
water is split
NADP becomes NADPH
In photosynthesis, energy from the sun is converted to (and stored in) which of the following?
chemical bonds in glucose
enzymes within the cells
Stored in the vacuole of plants
Stored in chlorophyll
What kind of molecule is responsible for absorbing energy from the sun?
ATP
chlorophyll
mitochondria
NADH
Which of the following is a product of photosynthesis?
carbon dioxide
oxygen
light energy
water
Chlorophyll is green because.....
it absorbs green wavelengths
It reflects red and blue wavelengths
It absorbs red and blue wavelengths
It reflects green wavelengths
Where do plants get carbon dioxide needed for photosynthesis?
Glucose
the sun
the air
water
Light energy is converted to cellular energy through the process of
carbon fixation
photosynthesis
glycolysis
heterotroughs
Which of the following organisms cannot carry out photosynthesis?
animals
algea
protists
bacteria
What are the two products of photosynthesis?
carbon dioxide and water
oxygen and water
glucose and oxygen
water and glucose
Which of the following is the formula for glucose?
C2H6O6
C6H10O12
C6H12O6
C6H6O12
What type of energy is used when chemical bonds are broken?
chemical energy
Light energy
physical energy
stored energy
What must happen to food before it becomes usable energy?
Nothing, it is readily used as energy as it is eaten
It must first go through a series of chemical reactions through the process of digestion
It must first be turned into light energy
It must first form more chemical bonds
Which macromolecule gives yields the most ATP when broken down?
Proteins
Carbohydrates
Lipids
Nucleic acids
When the bond is broken for the last phosphate on ATP, what happens?
energy is released
energy is stored
the molecule becomes less stable
the molecule becomes adenosine triphosphate
Which of the following best describes the ATP cycle?
ATP becomes ADP and then returns to ATP again
ATP becomes ADP and then gets excreted from the cell
ATP can only be used once before becoming waste product
ADP cannot return to ATP
ADP is a lower energy molecule than ATP.
True
False
Which term specifically describes the measurement of energy in foods?
kinetic energy
physical energy
chemical energy
Calories
Which of the following is LEAST likely to be broken down for ATP?
Lipids
Proteins
Carbohydrates
Which macromolecule is MOST likely to be broken down into ATP?
Lipids
Carbohydrates
Protiens
Nucleic acids
Which organism is most likely to undergo chemosynthesis?
Arcahaea
Bacteria
Protists
Plants
Which molecules stores about 80% of the energy in your body?
Carbohydrates
Proteins
Lipids
Nucleic Acids
Organisms in which environment will most likely undergo chemosynthesis?
Hydrothermal vents
floating on top of the ocean
organisms in the woods
organisms in a low oxygen environment
Which molecule yields approximately 36 to 38 ATP?
Lipids
Protiens
Carbohydrates
Nucleic acids
Which macromolecule would yield over 140 ATP?
Protiens
Lipids
Carbohydrates
Glucose
Under what kind of conditions will the body prioritize break down of proteins for ATP?
When the body is well hydrated
When the body is starving
When the body is well fed
When the body has excess glucose
What are the reactants for photosynthesis?
Carbon dioxide and water
oxygen and water
oxygen and glucose
glucose and carbon dioxide
What are the products for photosynthesis?
O2 + C6H12O6
CO2 + O2
CO2 + H2O
C6H12O6 + H2O
The process of converting carbon dioxide from the air into organic carbon in glucose.
photosynthesis
chemosynthesis
carbon fixation
calories
Which of the following is true about chlorophyll?
It absorbs green light
It absorbs red light only
It reflects red and blue light
It reflects green light
Which of the following is true about chlorophyll?
chlorophyll a absorbs green light but chlorophyll b does not
chlorophyll a and b both absorb green light
chlorophyll a reflects blue light and chlorophyll b reflects red light
both types reflect green light and absorb red and blue light
Membrane-bound organelle where photosynthesis takes place.
chloroplasts
vacuole
vesicle
mitochondria
Where are most chloroplasts found in plants?
stems
the trunk
leaves
the roots
The coin shaped discs inside of chloroplasts are called _____.
grana
thylakoids
stroma
chlorophyll
The fluid inside of chloroplasts that surrounds the grana.
grana
stroma
thylakoids
chlorophyll
In the image (click on it to enlarge it), [A] points to which part of the chloroplast?
the stroma
the grana
the chlorophyll
the thylakoids
In the image (click to enlarge it), [B] points to which part of the chloroplast?
the stroma
the chlorophyll
the grana
the thylakoid
In the image (click to enlarge it), [C] points to which part of the chloroplast?
the stroma
the grana
the chlorophyll
the thylakoid
When chlorophyll absorbs sunlight, that energy gets transferred to _____
electrons
hydrogen atoms
NADPH
the stroma
Where does the energy come from that is used to convert ADP to ATP in the light dependent stage?
chlorophyll
electrons
hydrogen
water
When water is split, what two products form from it?
hydrogen and oxygen
hydrogen and ATP
Oxygen and carbon dioxide
glucose and more water
Hydrogen from the water is used in the light dependent stage to _____
convert ADP to ATP
NADP to NADPH
make glucose
fix carbon from the atmosphere
In the calvin cycle, the hydrogens from water are used to __________.
convert ADP to ATP
Turn NADP to NADPH
combine with carbon dioxide to make glucose
make more water
Which of the following is NOT a part of the light dependent stage?
water is split into Oxygen and hydrogen
NADP becomes NADPH
ADP turns to ATP
CO2 and H form glucose
Which of the following is NOT part of the light independent stage?
Glucose is made from CO2 and H
excess glucose is stored as starch
water is split into O2 and H
excess glucose is stored as cellulose
Which 2 molecules combine to form glucose in the calvin cycle?
water and CO2
CO2 and hydrogen
CO2 and O2
water and oxygen
Which stage of photosynthesis does NOT require light?
The light dependent stage
The light independent stage
Which of the following chemical equations accurately describes what happens to water in the light dependent stage?
H2O ---> O2 + H2
O2 + H2 ---> H2O
H2O ---> C6H12O6
H2O + CO2 ---> C6H12O6
How are hydrogen ions used in the light independent stage?
H combines with oxygen to form water
Hydrogen combines with carbon dioxide to form glucose
Hydrogen turns NADP to NADPH
During which stage of photosynthesis is cellulose formed?
The calvin cycle
the light dependent stage
the chlorophyll stage
