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WorksheetsPhotosynthesis
Total questions: 32
Worksheet time: 39mins
Name
Class
Date
1.
____________________ provides the energy necessary for photosynthesis.
a)
water
b)
sunlight
c)
glucose
d)
soil
2.
The ____________ is the most photosynthetic part of a plant.
a)
leaf
b)
flower
c)
roots
d)
stem
3.
the products of photosynthesis are...
a)
glucose and sunlight
b)
carbon dioxide and water
c)
glucose and chlorophyll
d)
oxygen and glucose
4.
Glucose is a ...
a)
sugar
b)
carbohydrate
c)
source of quick energy
d)
all are correct
5.
A leaf is the broadest part of the plant and this is good for photosynthesis because, the broad leaf....
a)
curls up when touched
b)
increases surface area
c)
catches rain water
d)
stores lipids for the plants
6.
The vascular tissue of the plant that transports water is the...
a)
roots
b)
phloem
c)
xylem
d)
stem
7.
The formula for glucose is...
a)
C12 H22 O11
b)
NaCl
c)
NaOH
d)
C6 H12 O6
8.
The leaf structure that allows carbon dioxide to enter the leaf and Oxygen to exit the leaf is...
a)
phloem
b)
stomata
c)
vein
d)
stem
9.
The chloroplast has stacked membranes, what is the purpose of the stacked membranes in doing photosynthesis?
a)
water absorption for photosynthesis
b)
increased CO2 absorption
c)
increase surface area
d)
support of the plant
10.
The reactant of photosynthesis are...
a)
sunlight and chlorophyll
b)
glucose and oxygen
c)
carbon dioxide and water
d)
sunlight and water
11.
What opens and close the stomata?
a)
guard cells
b)
xylem
c)
phloem
d)
cuticle
12.
Plants take in ________from the air as one key ingredient for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
13.
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
14.
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
15.
__________ 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
16.
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
17.
Which of the following examples go through the process of photosynthesis?
a)
bees
b)
algae
c)
humans
d)
mushrooms
18.
What is the name of the sugars a plant produces after photosynthesis
a)
Glucose
b)
Sugar
c)
ATP
d)
Oxygen
19.
Which of the following is not needed as a key ingredient for photosynthesis to occur?
a)
sunlight
b)
carbon dioxide
c)
water
d)
oxygen
20.
Which organelle performs PHOTOSYNTHESIS?
a)
Chloroplast
b)
Mitochondria
21.
What is the pigment in chloroplasts that performs photosynthesis?
a)
Chlorosynthesis
b)
Chlorophyll
c)
ADP
d)
Electron Transport
22.
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.
23.
Which of the following is needed for the process of photosynthesis?
a)
Water
b)
Oxygen
c)
Starch
d)
Carbon dioxide
24.
The openings that are found in the leaves of plants are called:
a)
Stomata
b)
Chlorophyll
c)
Xylem
d)
Chloroplast
25.
The tubes that carry water through the roots and stems are called:
a)
Stomata
b)
Chlorophyll
c)
Xylem
d)
Chloroplast
26.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
carbon dioxide + water --> oxygen + glucose
b)
carbon dioxide + glucose + water --> oxygen
c)
oxygen + water --> carbon dioxide + glucose
d)
glucose+ oxygen ---> water + carbon dioxide
27.
What is another name for glucose?
a)
Chlorophyll
b)
Chloroplasts
c)
Stomata
d)
Sugar
28.
What are the products in photosynthesis
a)
H2O and CO2
b)
C6H12O6 and O2
c)
C6H12O6 and CO2
d)
O2 and H2O
29.
How would light intensity generally affect the rate of photosynthesis?
a)
Increases the rate, up to a point
b)
Increases the rate
c)
Decreases the rate
d)
No relationship to the rate
30.
How would the concentration of CO2 in water affect photosynthesis?
a)
The higher the CO2, the greater the rate
b)
The higher the CO2, the lower the rate
c)
CO2 concentration doesn't affect photosynthesis
d)
a greater rate of photosynthesis causes higher CO2 concentrations
31.
Which conclusion best matches the trends shown on the graph?
a)
Bean plants produce more ATP than corn plants.
b)
Corn plants require more oxygen than bean plants.
c)
Corn plants release more carbon dioxide than bean plants.
d)
Corn plants produce sugars at a faster rate than bean plants.
32.
What is the chemical test for Oxygen gas?
a)
Litmus paper
b)
Relights Glowing splint
c)
"Squeaky Pop" sound
d)
Red flame
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