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Worksheetsphotosynthesis
Total questions: 20
Worksheet time: 10mins
What do plants give off after photosynthesis?
Oxygen
carbon
hysrogen
nitrogen
What molecule absorbs sunlight during photosynthesis?
thylakoid
granum
chlorophyll
chloroplast
Which statement about photosynthesis is correct?
Plants get the energy they need for photosynthesis from water.
Plants get the energy they need for photosynthesis from sunlight.
Plants get the energy they need for photosynthesis from soil.
Plants do not require energy to perform photosynthesis.
Which of the following is NOT a product of the light reactions?
Oxygen
ATP
NADPH
Glucose
What is the main purpose of the light dependent reactions?
To provide the energy for the Calvin cycle
To reflect green light
To capture energy and make sugar
To make sugars
The gel-like material that surrounds the grana is called ____
lamellae
thylakoid
stroma
stoma
ATP gets formed in the light dependent reaction by which process?
Chemiosmosis
electro transport chain
photosmosis
active transport
Which of the following equations represents the overall chemical reaction for photosynthesis?
6O2+ 6H2O → C6H12O6+ 6O2
C6H12O6 + 6H2O→ 6O2+ 6O2
6CO2+ 6H2O→ C6H12O6+ 6O2
6O2 + 6H2O→ C6H12O6 + 6CO2
What is the purpose of splitting water in PSII of the light dependent reaction?
There is no purpose
To produce Oxygen for animals
Provides e- for PSII
Provides e- for PSII and H+ for the thylakoid space
In a light-dependent reaction, water and sunlight is needed to make oxygen and _____.
carbon dioxide
ATP
chlorophyll
hydrogen
What are the products of the light independent reaction?
hexose sugar
triose phosphate
carbon dioxide
RuBP
What happens to NADPH and ATP after they are used in the Calvin Cycle?
they recycle back to the light reactions
they are used to make G3P
nothing happen
they are used to make RuBP
What happens to the remaining G3P molecules in the last step of the dark reactions?
They are used to make glucose.
They exit the cycle.
They are reshuffled to make CO2 by adding ATP.
They are reshuffled to make RuBP by adding ATP.
The Calvin Cycle occurs in the ___________.
stroma
thylakoid membrane
chlorophyll
strach granule
Which enzyme joins CO2 and RuBP?
NADP+ reductase
ATP synthase
rubisco
PEP carboxylase
What are the products in reduction phase if 6 molecules of carbon dioxide enter the cycle?
Two molecules of glyceraldehyde-3-phosphate and 12 NADP++ Pi
12 NADP+ + Pi
Two molecules of glyceraldehyde-3-phosphate
Six molecules of 3-phosphoglycerate
Thylakoids are arranged in stacks called ____.
Lamellae
Granum
Stroma
strach granule
Which of these is NOT A TRUE statement about why photosynthesis is important:
It captures and makes the sun's energy available to all species
It helps plants create energy to send to rest of food chain
It turns deadly CO2 into Oxygen for us to breath
It makes the water for our planet
Because plants carry out photosynthesis, they are considered _____.
heterotrophs
consumers
autotrophs
unicellular
Why are plants usually green?
Because the chlorophyll reflects green light
Because the accessory pigments combine to make green
Because the chlorophyll absorbs green light
Because the accessory pigments only absorb green light
