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Worksheets4.2 - Photosynthesis
Total questions: 21
Worksheet time: 11mins
Where does Photosynthesis take place in a plant cell?
Nucleus
Chloroplast
cytoplasm
mitochondria
The following are the raw materials needed for photosynthesis: Sunlight, Carbon dioxide and water
False
True
Identify this molecule
Oxygen
carbon dioxide
water
glucose
Plants or plant like organisms that make their own food using energy from the sunlight are called ____
Heterotrophs
photoautotrophs
chemoautotrophs
Plant leaves appear green due to the presence of
xanthophyll
carotene
chlorophyll
Where do the light independent reactions (Calvin Cycle) specifically occur?
thylakoid membrane
Stroma of the chloroplast
Grana
nuclear membrane
What is the term for a stack of thylakoids?
stroma
granum
stomata
matrix
T/F: Stomata / stoma close in hot, dry conditions to preserve water
true
false
Which of the following are high energy molecules created by the light dependent reactions and used by the Calvin cycle? Select all that apply.
NADPH
NADP+
ADP
ATP
Light-absorbing colored molecules called _____ are found in the thylakoid membranes.
granum
pigments
stroma
carotenoids
_______ contain the light-capturing pigments and proteins that play important roles in the light reactions.
ferredoxin
photosystems
stomata
RuBisCO
T/F: Light energy splits water at photosystem II into oxygen, electrons, and H+ ions.
true
false
______ is the mechanism by which ATP is produced as a result of the flow of electrons down a concentration gradient.
ATPosmosis
Chemiosmosis
Electromosis
Energosis
T/F: Desert plants, such as cacti, are CAM plants.
true
false
Which enzyme converts the remaining G3P molecules into 5-carbon molecules called ribulose 1,5-bisphosphates (RuBP) to combine with new CO2 and continue the cycle?
Carboxylase
RuBisCO
NaBisCO
GluCo
Where do the light dependent reactions take place specifically?
thylakoid membrane
stroma
nucleus
matrix
T/F: The chemical equation for photosynthesis is
6CO2 + 6H2O --> C6H12O6 + 6O2
true
false
In the second phase of photosynthesis, called the Calvin cycle, energy is stored in organic molecules such as _______.
proteins
sugars
lipids
nucleic acids
What is the electron donor of photosynthesis?
carbon dioxide
oxygen
water
glucose
What is the electron acceptor of photosynthesis?
carbon dioxide
oxygen
water
glucose
What are the small openings in the underside of plant leaves that allow for gas exchange needed for photosynthesis (carbon dioxide, oxygen, and water vapor)?
stroma
thylakoid
stomata
