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WorksheetsPhotosynthesis study guide review
Total questions: 45
Worksheet time: 23mins
Which of the following are autotrophs?
deer
plants
leopards
mushrooms
One of the principal chemical compounds that living things use to store energy is
DNA
ATP
H2O
CO2
In addition to light and chlorophyll, photosynthesis requires
water and oxygen
water and sugars
oxygen and carbon dioxide
water and carbon dioxide
The leaves of a plant appear green because chlorophyll
reflects blue light
absorbs blue light
reflects green light
absorbs green light
The products of photosynthesis are
sugars and oxygen
sugars and carbon dioxide
water and carbon dioxide
hydrogen and oxygen
Which organelle contains chlorophyll?
A
B
C
D
The light-dependent reactions of photosynthesis use the reactant _______ to produce the product ______.
H2O ; O2
H2O ; glucose
CO2 ; O2
CO2 ; glucose
Which substance from the light-dependent reactions of photosynthesis is a source of energy for the Calvin cycle?
ADP
H2O
ATP
pyruvic acid
The light-independent reactions of photosynthesis are also known as the
Calvin cycle
Priestley cycle
electron transport
ATP cycle
The chief pigment molecule used by all plants to capture sunlight energy for photosynthesis is
carotene
chlorophyll
anthocyanin
red pigment
For #12: Examine the ATP molecule picture. Which of these is NOT correct?
A is adenine
B is ribose
C are phosphate groups to create ADP
D is the 3rd phosphate group to create AMP
for #12: Examine the ATP molecule. Where is the energy stored?
in the adenine molecule
in the ribose molecule
in the phosphate groups
in the bonds between the phosphate groups
For #15: What role do plant pigments play in the process of photosynthesis?
they make the plant green
they absorb energy from the sun so it can be converted to ATP
they are made of glucose so they are food for animals
they absorb and hold water in a cell
for #17: Which of these factors will NOT affect the rate of photosynthesis in a plant?
the temperature
the amount of CO2
the amount of available sunlight
the amount of water
the amount of available oxygen
An organism that obtains its energy from the foods it eats is
an autotroph
a heterotroph
a photosystem
ATP
During the ___________ of photosynthesis, energy from sunlight is used to form ATP, NADPH and oxygen.
Calvin cycle
photosystems
light-dependent reactions
chlorophyll
______ is one of the main chemical compounds that cells use to store and release chemical energy.
thylakoids
stroma
chlorophyll
ATP
A light-collecting unit in a chloroplast is a
chlorophyll
photosystem
calvin cycle
stroma
The light-dependent reactions of photosynthesis take place in the _____ membranes of chloroplasts.
thylakoid
stroma
photosystem
calvin cycle
The stage of photosynthesis that uses ATP and NADPH to form high-energy sugars is the
light-dependent reactions
stroma
thylakoids
calvin cycle
A plant or other organism that is able to make its own food is
a heterotroph
an autotroph
a decomposer
chlorophyll
_______ is the overall process in which sunlight is used to convert carbon dioxide and water into oxygen and high-energy sugars.
calvin cycle
light-dependent reactions
photosynthesis
photosystem
The region of the chloroplast in which the Calvin cycle occurs is the
stroma
thylakoids
photosystems
ATP
The principle pigment in plants is called
ATP
photosystem
stroma
chlorophyll
Which of the following is NOT produced in the light-dependent reactions of photosynthesis?
NADPH
sugars
hydrogen ions
ATP
oxygen
Which equation best summarizes the process of photosynthesis?
water + carbon dioxide >>light>>> sugars + oxygen
sugars + oxygen >>light>>> water + carbon
water + oxygen >>light>>> sugars + carbon dioxide
oxygen + carbon dioxide >>light>>> sugars + oxygen
sugars + carbon dioxide >>light>>> water + oxygen
The color of light that is LEAST useful to a plant during photosynthesis is
red
blue
green
orange
violet
The first step in photosynthesis is the
synthesis of water
production of oxygen
formation of ATP
breakdown of carbon dioxide
absorption of light energy
In a typical plant, all of the following factors are necessary for photosynthesis EXCEPT
chlorophyll
light
oxygen
carbon dioxide
water
In which organelles would most of the pigments be found?
vacuoles
centrioles
mitochondria
chloroplasts
For #11: How do heterotrophs and autotrophs differ in how they get energy?
heterotrophs use photosynthesis and autotrophs eat heterotrophs
autotrophs use photosynthesis and heterotrophs must eat other organisms
both autotrophs and heterotrophs use sunlight and make their own food
heterotrophs eat only other heterotrophs while autotrophs use photosynthesis
For #13 on the study guide: What is the outer membrane of the chloroplast?
A
B
C
D
For #13 on the study guide: What is letter B pointing to?
the inner membranes
thylakoids
grana
stroma
For study guide #13: what are the thylakoids?
A
B
C
D
For study guide #13: Where do the light dependent reactions occur?
A
B
C
D
Where do the light-independent reactions of photosynthesis occur?
A
B
C
D
Which of the following is a PRODUCT of photosynthesis?
water
oxygen
carbon dioxide
sunlight
Look at this graph: Which of the following is true?
temperature does not affect photosynthesis
the rate of photosynthesis is consistent over a large range of temperatures
the rate of photosynthesis drops to near zero at very low and very high temperatures
the rate of photosynthesis is highest at low temperatures
In this picture, what is the region where most of photosynthesis occurs?
A
C
H
J
K
Which of the following does NOT occur at letter F?
oxygen gas moves into the leaf
carbon dioxide gas moves into the leaf
water vapor exits the leaf
all of the other answers are events that occur at letter F
What is the function of the cuticle? What letter is it in the picture?
to protect the leaf, D
to help gases diffuse into the leaf, C
to gather sunlight for photosynthesis, J
to prevent water loss from the leaf, K
to prevent water from entering from the leaf, I
Which of the following is a correct match of the tissue name with it's description.
xylem: dead cells to move sugars in the plant
phloem: dead cells to move water in the plant
xylem: live cells to move water in the plant
phloem: live cells to move sugars in the plant
High energy sugars are produced during the ______ reactions.
light-dependent
light-independent
glycolysis
sunlight
In a leaf, the vascular tissue that moves food and water throughout the plant is located in
the cuticle
the stomata
the guard cells
a vein
During a drought, all of the following will occur EXCEPT
guard cells will keep stomata closed during the day
photosynthesis will occur at night to help save water
water loss from the plant will be kept to a minimum with the help of the cuticle and guard cells
water will move through the xylem from the roots to the leaves
