WorksheetsPhotosynthesis Reactions
Total questions: 34
Worksheet time: 18mins
What is the overall photosynthesis equation using words?
carbon dioxide + water + sunlight -> glucose + oxygen
carbon dioxide + oxygen + sunlight -> glucose + water
glucose + water -> oxygen and sunlight
carbon dioxide + glucose + sunlight -> oxygen + water
What is the overall photosynthesis equation using chemical formulas?
C6H12O6 + 6H20 + radiant energy -> 6CO2 + 6O2
CO2 + H20 + radiant energy -> C6H12O6 + O2
6CO2 + 6H20 + radiant energy -> C6H12O6 + 6O2
6O2 + 6H20 + radiant energy -> C6H12O6 + 6CO2
Select BOTH names of the two reactions that take place during photosynthesis.
Light Independent Reaction (aka Calvin Cycle)
ATP Cycle
Light Dependent Reaction
Thylakoid Process
Occurs in the thylakoid
Light Dependent Reaction
Light Independent Reaction
Both Light Dependent and Light Independent Reaction
Occurs in the stroma
Light Dependent Reaction
Light Independent Reaction
Both Light Dependent and Light Independent Reaction
Occurs in the chloroplast
Light Dependent Reaction
Light Independent Reaction
Both Light Dependent and Light Independent Reaction
Also known as the Calvin cycle
Light Dependent Reaction
Light Independent Reaction
Both Light Dependent and Light Independent Reaction
Requires radiant energy
Light Dependent Reaction
Light Independent Reaction
Both Light Dependent and Light Independent Reaction
Requires CO2
Light Dependent Reaction
Light Independent Reaction
Both Light Dependent and Light Independent Reaction
Requires H20
Light Dependent Reaction
Light Independent Reaction
Both Light Dependent and Light Independent Reaction
Produces glucose
Light Dependent Reaction
Light Independent Reaction
Both Light Dependent and Light Independent Reaction
Produces O2 waste
Light Dependent Reaction
Light Independent Reaction
Both Light Dependent and Light Independent Reaction
Produces ATP and NADPH
Light Dependent Reaction
Light Independent Reaction
Both Light Dependent and Light Independent Reaction
Requires ATP and NADPH
Light Dependent Reaction
Light Independent Reaction
Both Light Dependent and Light Independent Reaction
Part of photosynthesis
Light Dependent Reaction
Light Independent Reaction
Both Light Dependent and Light Independent Reaction
What energy carrying molecule is produced during the light dependent reaction?
ADP
NADP+
Glucose
ATP
What electron acceptor molecule is produced during the light dependent reaction?
NADPH
NADP+
ATP
ADP
What happens to the oxygen that is produced during the light dependent reaction?
It is changed into CO2 by the enzyme rubisco
It is used in the light independent reaction
It is released from the plant through the stomata
It is converted into glucose
Which pigment molecule absorbs light in both photosystem 1 and 2 in the light dependent reaction?
ATP
chlorophyll
NADPH
xanthophyll
Which particles are excited by (get energy from) the light energy during photosystem 1 and 2?
Calvintrons
neutrons
protons
electrons
What happens to electrons as they move along the electron transport chain?
they turn into neutrons
they gain energy
they lose energy
they become ATP
Which type of ions are pumped into the thylakoid using the energy provided to the electron transport chain?
Nitrogen
Hydrogen
Phosphorus
Electron
When NADP+ gains a hydrogen ion and 2 electrons, it becomes which molecule?
NADPH
ATP
ADP
Glucose
What enzyme helps to transform ADP into ATP?
Glucose
ATP synthase
ADP creatase
DNA transcriptase
Which molecule contains more energy, ADP or ATP?
ADP
ATP
They both contain the same amount of energy
Which reactant must be split into 2 hydrogen ions, 2 electrons, and 1 oxygen atom to replace the electrons that are used up in the light dependent reaction?
Radiant energy
H2O
CO2
C6H12O6
What 2 products of the light dependent cycle are necessary for the Calvin cycle? Select BOTH.
Carbon Dioxide
ATP
Oxygen
NADPH
What is it called when the enzyme rubisco helps to combine the carbon in CO2 with the 5 carbons in RuBP? (Hint, it is the first stage of the light independent reaction)
carbon fixation
carbon rearrangement
carbon dating
carbonification
What molecule does ATP turn into after its energy is used during the Calvin cycle?
Glucose
NADP+
NADPH
ADP
What particles does NADPH lose during stage 2 of the Calvin cycle?
protons
electrons
phosphates
neutrons
Glucose contains 6 carbon atoms. Which molecule do these 6 carbon atoms originally come from?
ATP
H2O
CO2
NADPH
How is CAM photosynthesis different from normal photosynthesis?
the plant takes a picture with a CAMera .
the plant closes its stomata during the day.
the plant closes its stomata at night.
the plant removes its own enzymes during the winter.
What types of climates have plants that may use CAM photosynthesis?
Hot and dry
Temperate and cool
Cold and wet
Temperate and wet
In C4 photosynthesis, the CO2 is released in a deeper layer in the leaf that has less competition with _____________ so that the plant can be more efficient.
wate
oxygen
calcium
hydrogen
