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WorksheetsPhotosynthesis
Total questions: 50
Worksheet time: 38mins
Name
Class
Date
1.
During photosynthesis, the energy from the sun is used to split water molecules into hydrogen and oxygen.
a)
True
b)
False
2.
Which of the following statements best describes the term photosynthesis?
a)
When plants absorb the energy from the sun.
b)
How plants reproduce.
c)
The process by which plants make their own food.
d)
The process by which animals make their own food.
3.
Which of the following is needed for the process of photosynthesis?
a)
Water
b)
Oxygen
c)
Starch
d)
Carbon dioxide
4.
Which of the following is needed for the process of photosynthesis?
a)
Water
b)
Oxygen
c)
Starch
d)
Carbon dioxide
5.
Which of the following is produced by the process of photosynthesis?
a)
Water
b)
Oxygen
c)
Starch
d)
Carbon dioxide
6.
Chlorophyll is:
a)
The substance that makes plants green.
b)
Found inside the chloroplast cells.
c)
Used to absorb energy from the sun.
d)
All of the above.
7.
The openings that are found in the leaves of plants are called:
a)
Stomata
b)
Chlorophyll
c)
Xylem
d)
Chloroplast
8.
The tubes that carry water through the roots and stems are called:
a)
Stomata
b)
Chlorophyll
c)
Xylem
d)
Chloroplast
9.
Which of the following substances are needed to make carbohydrates?
a)
Hydrogen
b)
Oxygen
c)
Carbon
d)
All of the above.
10.
The process of photosynthesis takes place in the:
a)
Leaves of the Plant.
b)
Stem of the plant.
c)
Roots of the plant.
d)
All of the above.
11.
Plants store food in:
a)
Leaves
b)
Stems
c)
Roots
d)
All of the above.
12.
What do plants give off after photosynthesis?
a)
Oxygen
b)
carbon
c)
nitrogen
d)
hydrogen
13.
Plants need ________from the air for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
14.
What molecule absorbs sunlight during photosynthesis?
a)
Epidermis
b)
thylakoid
c)
the leaf
d)
chlorophyll
15.
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.
16.
The products of photosynthesis are
a)
water and carbon dioxide
b)
oxygen and water
c)
sugar and cabon dioxide
d)
oxygen and sugar (glucose)
17.
The main source of energy for all life comes from ____.
a)
the Earth
b)
the moon
c)
the sun
d)
the food we eat/make
18.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
19.
The products of photosynthesis are
a)
water and carbon dioxide
b)
oxygen and water
c)
sugar and cabon dioxide
d)
oxygen and sugar (glucose)
20.
The main source of energy for all life comes from ____.
a)
the Earth
b)
the moon
c)
the sun
d)
the food we eat/make
21.
Why are plants important to life on Earth?
a)
They make our world more beautiful
b)
They make the planet look green
c)
They use carbon dioxide and give us oxygen
d)
They provide shade for insects
22.
In what part of the cell does photosynthesis occur?
a)
Nucleus
b)
Chloroplast
c)
Epidermis
d)
Vacuole
23.
After photosynthesis, plants store their energy as _________ .
a)
chlorophyll
b)
pigment
c)
glucose (sugar)
d)
Oxygen
24.
Plants need what to do photosynthesis?
a)
Food absorbed from ground
b)
Sun's energy
c)
Food broken down
d)
Minerals from the soil
25.
What gas goes into the plant before photosynthesis?
a)
Carbon Dioxide
b)
Carbon Monoxide
c)
Oxygen
d)
Nitrogen
26.
What three things are needed for a plant to do photosynthesis?
a)
Glucose, Oxygen, Sunlight
b)
CO2, Oxygen, Sunlight
c)
CO2, Water, Sunlight
d)
Oxygen, Water, Sunlight
27.
Which plant part absorbs water and nutrients?
a)
Leaf
b)
Stem
c)
Roots
d)
Flower
28.
What two products does a plant make during photosynthesis?
a)
Water and Glucose
b)
Oxygen and Glucose
c)
Oxygen and Water
d)
CO2 and Glucose
29.
What three things are needed for a plant to do photosynthesis?
a)
Glucose, Oxygen, Sunlight
b)
CO2, Oxygen, Sunlight
c)
CO2, Water, Sunlight
d)
Oxygen, Water, Sunlight
30.
Which plant part absorbs water and nutrients?
a)
Leaf
b)
Stem
c)
Roots
d)
Flower
31.
What two products does a plant make during photosynthesis?
a)
Water and Glucose
b)
Oxygen and Glucose
c)
Oxygen and Water
d)
CO2 and Glucose
32.
Which plant part transports water and nutrients to different parts of the plant?
a)
Leaf
b)
Stem
c)
Roots
d)
Flower
33.
Which plant part collects the sun's energy and makes food?
a)
Leaf
b)
Stem
c)
Roots
d)
Flower
34.
Which plant part transports water and nutrients to different parts of the plant?
a)
Leaf
b)
Stem
c)
Roots
d)
Flower
35.
What is the name of the green pigment inside plants?
a)
Monophyll
b)
Chlorophyll
c)
Epiphyll
d)
Glorophyll
36.
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
37.
Which of these is NOT AN IMPACT photosynthesis has on an ecosystem:
a)
Oxygen for animals and humans to breathe
b)
Food for us to eat
c)
Taking CO2 out of the air
d)
Taking oxygen out of the air
38.
What gas do plants give off after conducting photosynthesis that humans/animals need in order to live?
a)
Oxygen
b)
Carbon
c)
Nitrogen
d)
Hydrogen
39.
Plants take in ________from the air as one key ingredient for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
40.
The main source of energy for all life comes from ____.
a)
the Earth
b)
the moon
c)
the sun
d)
the food we eat/make
41.
Why are producers (plants) important for all life on Earth?
a)
They make our world more beautiful
b)
They make the planet look green
c)
They use carbon dioxide and give us oxygen
d)
They provide shade for insects
42.
__________ energy from the sun is changed intto __________ energy during photosynthesis
a)
Chemical energy to light energy
b)
Light energy to chemical energy
c)
Thermal energy to light energy
d)
Electrical energy to chemical enerfy
43.
Which of the following statement is true regarding photosynthesis
a)
creates oxygen for animals to breath
b)
creates energy for consumers to use
c)
creates food for plants to use
d)
all of these are correct
44.
What are the 3 key ingredients needed for photosynthesis
a)
glucose, oxygen, carbon dioxide
b)
carbon dioxide, water, glucose
c)
water, soil, sunlight
d)
sunlight, water, carbon dioxide
45.
Which of the following is not needed as a key ingredient for photosynthesis to occur?
a)
sunlight
b)
carbon dioxide
c)
water
d)
oxygen
46.
What is the name of the sugars a plant produces after photosynthesis
a)
Glucose
b)
Sugar
c)
ATP
d)
Oxygen
47.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO2 + light + H2O --> O2 + Sugar
b)
CO2 + sugar + H2O --> O2 + light
c)
O2 + light + H2O --> CO2 + Sugar
d)
CO2 + O2 + H2O --> Light+ Sugar
48.
Which organelle performs PHOTOSYNTHESIS?
a)
Chloroplast
b)
Mitochondria
49.
What is the ultimate ORIGINAL source of energy for living things
a)
Sugar
b)
Sun
c)
Moon
d)
Carbon Dioxide
50.
What is the pigment in chloroplasts that performs photosynthesis?
a)
Chlorosynthesis
b)
Chlorophyll
c)
ADP
d)
Electron Transport
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