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WorksheetsPhotosynthesis
Total questions: 30
Worksheet time: 16mins
Organisms that use light energy or chemical energy & inorganic molecules to synthesise complex organic molecules are called..
Autotrophs
Chemoautotrophs
Photoautotrophs
Heterotrophs
Organisms that use light energy & inorganic molecules to synthesise complex organic molecules are called...
Autotrophs
Photoautotrophs
Chemoautotrophs
Heterotrophs
Organisms that ingest and digest complex organic molecules, releasing the chemical potential energy stored in them are called...
Autotrophs
Photoautotrophs
Chemoautotrophs
Heterotrophs
What is A?
Thylakoid
Granum
Inter-granal lamellae
Stroma
Outer membrane
What is B?
Thylakoid
Granum
Inter-granal lamellae
Stroma
Outer membrane
What is C?
Thylakoid
Granum
Inter-granal lamellae
Stroma
Outer membrane
What is D?
Thylakoid
Granum
Inter-granal lamellae
Stroma
Outer membrane
Where do the light dependent reactions occur?
A
B
C
D
E
Where do the light independent reactions occur?
A
B
C
D
E
Where is RUBISCO located?
A
B
C
D
E
What is A?
Palisade mesophyll
Waxy cuticule
Spongy mesophyll
Upper epidermis
Stomata
What is C?
Palisade mesophyll
Waxy cuticule
Spongy mesophyll
Upper epidermis
Stomata
Which label allows for increased diffusion of gases into photosynthesising cells?
A
B
C
D
E
Where does MOST photosynthesis occur on this diagram?
A
B
C
D
E
Where does photolysis occur within a chloroplast?
Outer membrane
Stroma
Thylakoid lumen
Thylakoid membrane
Intergranal lamellae
What is the peak absorption of photosystem 1?
640nm
680nm
700nm
720nm
What is the peak absorption of photosystem 2?
640nm
680nm
700nm
720nm
In a photosystem, what is in the reaction centre?
Chlorophyll a
Chlorophyll b
Carotene
Xanthophyll
During cyclic photophosphorylation, where do the electrons emitted from photosystem 1 end up?
In photosystem 2
Combined with protons to form oxygen
Combined with protons to form NADPH
In photosystem 1
During non-cyclic photophosphorylation, where do the electrons emitted from photosystem 1 end up?
In photosystem 2
Combined with protons to form oxygen
Combined with protons to form NADPH
In photosystem 1
During non-cyclic photophosphorylation, where do the electrons emitted from photosystem 2 end up?
In photosystem 2
Combined with protons to form oxygen
Combined with protons to form NADPH
In photosystem 1
What products from the LDR are used in the LIR?
ATP
ADP + Pi
NADP
NADPH
During which stage of the Calvin cycle is RUBISCO used?
When RuBP combines with carbon dioxide to form an unstable compound (carboxylation)
When RuBP combines with carbon dioxide to form G3P (carboxylation)
When GP is converted to TP
To regenerate oxaloacetate
When is ATP used in the Calvin cycle?
When RuBP combines with carbon dioxide to form an unstable compound
When RuBP combines with carbon dioxide to form G3P
When GP is converted to TP
To regenerate oxaloacetate
When is NADPH used in the Calvin cycle?
When RuBP combines with carbon dioxide to form an unstable compound
When RuBP combines with carbon dioxide to form G3P
When GP is converted to TP
To regenerate oxaloacetate
On a hot, sunny day, which of the following is likely to be limiting the rate of photosynthesis?
Temperature
Carbon dioxide concentration
Light intensity
What is limiting the rate of photosynthesis at A?
Light intensity
Carbon dioxide concentration
Temperature
When light is removed from a photosynthesising plant, what happens to the levels of the following molecules?
TP = increase
GP = Increase
RuBP = decrease
TP = decrease
GP = decrease
RuBP = increase
TP = decrease
GP = Increase
RuBP = decrease
TP = increase
GP = Increase
RuBP = decrease
If carbon dioxide levels fall below 0.01%, what will accumulate in a leaf?
GP
TP
RuBP
RUBISCO
What is the name of the 5 carbon sugar in the Calvin cycle?
Triose phosphate
Glycerate 3-Phospate
Ribulose bisphosphate
Ribulose bisphosphate carboxylase
