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WorksheetsPhotosynthesis
Total questions: 25
Worksheet time: 13mins
What are the products of photosynthesis?
Carbon Dioxide and water
NADPH and ATP
Sugar
Glucose Oxygen and Water
What type of organisms are capable of photosynthesis?
Prokaryotes
Autotrophs
Heterotrophs
Both autotrophs and heterotrophs
What type of energy is needed for photosynthesis to begin?
kinetic
chemical
electromagnetic
Thermal
What step produces oxygen from water and turns NADP+ into NADPH?
Light-dependent reactions
Calvin cycle
Light-independent cycle
Krebs Cycle
The Calvin cycle reactions produce sugar from (a)
The space surrounding thylakoids is called
Grana
Lumen
Stroma
Chloroplast
Most common pigment in thylakoids
Green color
Chlorophylls
Carotenoids
Xanthophylls
What are the accessory pigments in plants?
Xanthophylls and Carotenoids
Chlorophyll a and Chlorophyll b
Melanin and Myoglobin
Luciferin and Anthocyanins
Where does the light reactions occur?
Cytosol
Stroma
Mitochondrial matrix
Thylakoid membrane
Electrons from ________ produce a proton motive force that drives ATP synthesis
Photosystem 1
Photosystem 2
The electron transport chain
Photons
Electrons from ________ produce NADPH
Photosystem 1
Photosystem 2
The electron transport chain
Photons
Type of phosphorylation that occurs in photosynthesis is called
Oxidative phosphorylation
Substrate-level phosphorylation
Photophosphorylation
Phosphorylation kinases
The primary electron acceptor in photosystem 2
Pheophytin
Plastoquinone
Cytochrome
Ubiquinone
The electrons are shuttled away by __________ to the Cytochrome Complex
Plastoquinone
NADPH
ATP
Antenna Complex
In Photosystem 1 the electron carrier is ________
Pheophytin
Plastoquinone
Ubiquinone
Ferredoxin
Input of the Calvin Cycle
H20
O2
CO2
Sucrose
What process in the Calvin cycle produces sugar from carbon dioxide?
Light-dependent reactions
Phosphorylation
Protein Synthesis
Carbon fixation
What molecule is made at the end of the Calvin Cycle
Starch
Cellulose
G3P
Sucrose
In the Calvin Cycle CO2 reacts with a five-carbon compound called
Ribulose bisphosphate
Adenosine phosphate
Rubisco
Phosphoglycerate
The CO2 fixing enzyme is...
Ribulose bisphosphate
Adenosine phosphate
Rubisco
Phosphoglycerate
What are the plant pores that help regulate gas exchange?
Stomata
Stroma
Lumen
Lamella
Photorespiration
Consumes CO2 and releases O2
Consumes O2 and releases fixed CO2
Uses light to make O2
Uses sugar to make CO2
C3 Plants
No special features to combat photorespiration
Minimize photorespiration by separating carbon fixation and calvin cycle in different cell types
Plants minimize photorespiration and save water by separating steps between night and day
C4 Plants
No special features to combat photorespiration
Minimize photorespiration by separating carbon fixation and calvin cycle in different cell types
Plants minimize photorespiration and save water by separating steps between night and day
Crassulacean acid metabolism (CAM) plants
No special features to combat photorespiration
Minimize photorespiration by separating carbon fixation and calvin cycle in different cell types
Plants minimize photorespiration and save water by separating steps between night and day
