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WorksheetsPhotosynthesis and Cellular Respiration
Total questions: 40
Worksheet time: 25mins
Name
Class
Date
1.
What is the name of the structure on a leaf that lets gasses flow in and out?
a)
Stomata
b)
Cell membrane
c)
chlorophyll
d)
chloroplast
2.
What captures the sun's energy?
a)
chloroplast
b)
chlorophyll
c)
stomata
d)
lower epidermis
3.
The purpose of photosynthesis is ...
a)
to make glucose
b)
to break glucose
c)
to capture energy from the sun
d)
to change carbon dioxide
4.
The purpose of cellular respiration is to
a)
make glucose
b)
break glucose
c)
capture the energy in sunlight
d)
change carbon dioxide
5.
Cellular respiration happens in which 2 places?
a)
cytoplasm and mitochondria
b)
chlorplast and mitochondria
c)
chloroplast and stomata
d)
chloroplast and cytoplasm
6.
The organelle responsible for the chemical reaction in photosynthesis is the...
a)
chloroplast
b)
cytoplasm
c)
cell membrane
d)
mitochondrai
7.
What happens in Glycolysis?
a)
cytoplasm breaks down the glucose molecule into smaller molecules
b)
the mitochondria break down the glucose into smaller molecules
c)
a chemical reaction occurs releasing water and energy
d)
sunlight changes water into glucose
8.
How are photosynthesis and cellular respiration related?
a)
They have opposite equations
b)
they have the same equation
c)
they both produce carbon dioxide
d)
they both produce oxygen
9.
What gas is released into the air during photosynthesis?
a)
carbon dioxide
b)
oxygen
c)
water
d)
glucose
10.
What gas is released into the air during cellular respiration?
a)
oxygen
b)
carbon dioxide
c)
water
d)
glucose
11.
What are the reactants of photosynthesis?
a)
glucose and oxygen
b)
water and carbon dioxide
c)
water and oxygen
d)
carbon dioxide and glucose
12.
What are the products of photosynthesis?
a)
glucose and oxygen
b)
glucose and carbon dioxide
c)
water and carbon dioxide
d)
water and oxygen
13.
What are the reactants in cellular respiration?
a)
glucose and oxygen
b)
glucose and carbon dioxide
c)
water and carbon dioxide
d)
oxygen and glucose
14.
What are the products in cellular respiration?
a)
water and carbon dioxide
b)
water and glucose
c)
carbon dioxide and oxygen
d)
glucose and oxygen
15.
What does the picture show?
a)
carbon dioxide molecule
b)
glucose
c)
water molecule
d)
oxygen molecule
16.
What does the picture show?
a)
carbon dioxide molecule
b)
oxygen molecule
c)
water molecule
d)
glucose molecule
17.
The rabbit's ORIGINAL source of energy is from the...
a)
plant
b)
sun
c)
ATP
d)
glucose
18.
The image is showing the ...
a)
chloroplasts
b)
stomata
c)
chlorophyll
d)
mitochondria
19.
What would happen if the plant population decreased?
a)
photosynthesis would decrease
b)
photosynthesis would increase
c)
photosynthesis would stay the same
20.
What happens to the process of photosynthesis at night?
a)
the process slows down / stops
b)
the process speeds up
c)
the process still continues at regular speed
21.
Atoms are bonded together to make
a)
molecules
b)
organelles
c)
cells
d)
other atoms
22.
The leaves in plants change color in the fall because...
a)
there is not enough sunlight
b)
there is a reduced water supply
c)
the temperature is cooler
d)
all of the above are correct
23.
What is the name of this process?
a)
cellular respiration
b)
photosynthesis
c)
glycolysis
d)
stomata
24.
What is happening at #3?
a)
oxygen and water vapor are being released
b)
glucose and carbon dioxide are being released
c)
energy is being released
d)
carbon dioxide and water are being released?
25.
This is the equation for...
a)
photosynthesis
b)
cellular respiration
26.
This is the equation for
a)
photosynthesis
b)
cellular respiration
27.
What is happening at number 2?
a)
carbon dioxide enters the leaf
b)
oxygen enters the leaf
c)
water vapor enters the leaf
d)
sun's energy enters the leaf
28.
This image shows...
a)
glucose molecule
b)
oxygen molecule
c)
water molecule
d)
carbon dioxide molecule
29.
Photosynthesis occurs in specific parts of a plant. Where would it NOT occur?
a)
green leaves
b)
brown tree trunk
c)
green stem
d)
green branch
30.
The circled organelle shows a chloroplast. What is the function of the chloroplast?
a)
to capture the sun's energy
b)
to release energy
c)
to convert water, carbon dioxide and energy into glucose
d)
to convert oxygen into water vapor
31.
The mitochondria is responsible for ...
a)
photosynthesis
b)
anaerobic respiration
c)
aerobic respiration
d)
fermentation
32.
A plant is releasing a gas. What is the most likely gas?
a)
co2
b)
methane
c)
water vapor
d)
oxygen
33.
True or False:
Both plant cells and animal cells depend on cellular respiration for their energy needs.
Both plant cells and animal cells depend on cellular respiration for their energy needs.
a)
True
b)
False
34.
When a bond is made
a)
energy is stored
b)
energy is released
35.
When a bond is broken
a)
energy is stored
b)
energy is released
36.
What is the ultimate ORIGINAL source of energy for living things
a)
Sugar
b)
Sun
c)
Moon
d)
Carbon Dioxide
37.
Leaves look green because.....
a)
they eat their vegetables
b)
to blend into their environment
c)
they contain a molecule named chlorophyll
d)
they are sick
38.
If all four plants were watered daily but placed in a closet, receiving no sunlight, what process would NOT occur?
a)
Ingestion of carbon dioxide
b)
Filtration of water through the soil
c)
Photosynthesis
d)
Water absorbtion
39.
Which of these is NOT A TRUE statement about why photosynthesis is important:
a)
It captures and makes the sun's energy available to all species
b)
It turns deadly CO2 into Oxygen for us to breath
c)
It helps plants create energy to send to rest of food chain
d)
It makes the water for our planet
40.
Which statement about photosynthesis is correct?
a)
Plants get the energy they need for photosynthesis from water.
b)
Plants get the energy they need for photosynthesis from soil.
c)
Plants get the energy they need for photosynthesis from sunlight.
d)
Plants do not require energy to perform photosynthesis.
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