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Worksheets2.9 IB Photosynthesis
Total questions: 20
Worksheet time: 1hrs 27mins
Which of the following are products of the light dependent reactions of photosynthesis are utilized in the light-independent reactions?
O2 and glucose
H2O and O2
electrons and H+
ATP and NADPH
Where does the light-independent reactions (Calvin cycle) take place?
stroma of the chloroplast
thylakoid membrane
outer membrane of the chloroplast
interior of the thylakoid membrane
When oxygen is released as a result of photosynthesis, it is a direct by-product of.....
reducing NADP+
photolysis
chemiosmosis
electron transfer in the Calvin cycle
What is the primary function of the light-independent reactions (Calvin cycle)?
regenerate ATP for use in the light reactions of photosynthesis
produce carbon dioxide for use in the light reactions of photosynthesis
produce oxygen by oxidizing water
produce simple sugars from carbon dioxide
Reactions that consume CO2 take place in.....
the light-dependent reactions of photosynthesis only
the light-independent reactions of photosynthesis only
the both the light-dependent and light independent reactions of photosynthesis
neither the light-dependent and light independent reactions of photosynthesis
If an aquatic plant is placed into a test tube with water near a light source, what will it produce?
Glucose and Oxygen
Carbon dioxide and ATP
Water and Oxygen
Glucose and ATP
Most plants appear green because chlorophyll.....
absorbs green light.
absorbs violet light.
does not absorb green light.
does not absorb violet light.
Which of the following molecules is not needed for the light-independent reactions of photosynthesis (Calvin Cycle)?
CO2
ATP
NADPH
H2O
Plants with the largest amount of which pigment will be best suited for growing conditions where light has a green hue.
Chlorophyll a
Chlorophyll b
Carotenoids
A combination of all 3
Which of the pigments in found in chlorophyll is most efficient at lower wavelengths?
Chlorophyll A
Chlorophyll B
Carotenoids
All three are equally efficient
Where do the light-dependent reactions occur?
thylakoid membrane
stroma
mesophyll
mitochondria
Which of the following is the correct equation for photosynthesis?
6CO2 + 6H2O → 6O2 + C6H12O6
6CO2 + C6H12O6 + 6H2O → O2
6O2 + 6H2O → 6CO2 + C6H12O6
C6H12O6+ 6O2 → 6H2O + 6CO2
The light reactions occur in the ________ and the light independent reactions take place in the ________.
Chloroplast / thylakoid membrane
stroma / thylakoid
mesophyll / stomata
thylakoid membrane / stroma
This image shows the process of _____.
anaerobic respiration
aerobic respiration
photosynthesis
Kreb's Cycle
What is represented by "E" in this image?
carbon dioxide
oxygen
water
organic compounds
Energy is released from ATP when....
a phosphate group is added
photolysis occurs
ATP is exposed to sunlight
a phosphate group is removed
Photosynthesis uses sunlight to convert water and carbon dioxide into.....
oxygen
high-energy sugars & starches.
ATP & oxygen
oxygen and high-energy sugars & starches, and ATP
Which of the following is NOT a limiting factor for photosynthesis?
Light intensity
Wavelength of light
Carbon dioxide concentration
Amount of water
Oxygen concentration
What does the Rf value in thin layer chromatography represent?
The distance travelled by the pigment front in a fixed time period
The distance from the origin to the solvent front at the end of the experiment
The ratio of distances travelled by the pigment and solvent fronts
The concentration of the pigment applied to the chromatography plate
Plants produce carbon dioxide in respiration and use carbon dioxide in photosynthesis. The graph shows the volume of carbon dioxide exchanged in a plant at different light intensities. What is shown by the graph?
There is no photosynthesis between W and X.
There is no photosynthesis between Y and Z.
There is more respiration than photosynthesis between Y and Z.
There is more respiration than photosynthesis between W and X.
