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WorksheetsPhotosynthesis!
Total questions: 16
Worksheet time: 9mins
What is the chemical equation for photosynthesis?
6O2 + C6H12O6 --> 6CO2 + 6H2O
6CO2 + C6H12O6 --> 6O2 + 6H2O
6CO2 + 6H2O --> 6O2 + C6H12O6
6O2 + 6H2O --> 6CO2 + C6H12O6
What is reduced in photosynthesis?
Glucose is reduced into carbon dioxide
Carbon dioxide is reduced into glucose
Water is reduced into oxygen
Oxygen is reduced into water
What is oxidized in photosynthesis?
Glucose is oxidized into carbon dioxide
Carbon dioxide is oxidized into glucose
Water is oxidized into oxygen
Oxygen is oxidized into water
Which colors does chlorophyll reflect? Select all that apply!
Red
Orange
Green
Blue
What is the term for an energy transfer between the electrons of adjacent pigment molecules?
Excited electron
Photosystem
Resonance energy transfer
Photon
Light reactions
How does the chloroplast transform light energy into chemical energy? Select all that apply!
e- are donated to an e- acceptor
Excited e- produce light or heat
Resonance energy transfers within a photosystem
Light energy is stored in glucose molecules
Excited e- transfer energy to a central chlorophyll molecule
Which colors do carotenoids reflect? Select all that apply!
Red
Orange
Green
Blue
What are the products of the light reactions? Select all that apply!
Water
Oxygen
NADPH
Glucose
ATP
Light reactions occur in the _____ and the Calvin Cycle occurs in the _____.
Mito matrix ; inner mito membrane
Granum ; thylakoid membrane
Lumen ; stroma
Thylakoid membrane ; stroma
_____ replenishes the electrons lost by Photosystem II
Oxygen
e- from Photosystem I
Water
Glucose
Carbon dioxide
What is the final electron acceptor in the light reactions?
NAD+
NADP+
NADPH
Oxygen
Water
What connects Photosystem II and Photosystem I?
An enzyme that reduces NADP+
The Calvin Cycle
ATP synthase
An electron transport chain
In which stage of the Calvin Cycle is the enxyme RUBISCO used?
Carbon fixation
Oxidation phase
Reduction phase
Regeneration phase
How many times must the Calvin Cycle proceed for one glucose molecule to be produced?
One
Two
Three
Six
Twelve
Which phases of the Calvin Cycle require ATP? Select all that apply!
Carbon fixation
Oxidation phase
Reduction phase
Regeneration phase
Glycolysis
What are the THREE possible destinies for an excited electron?
It produces light and/or heat
Resonance
It hits a central chlorophyll pigment
It synthesizes a pigment
It travels to the mitochondria
