wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Photosynthesis

Total questions: 68

Worksheet time: 37mins

Name
Class
Date
1.

Which organelle is responsible making food (Glucose) using sunlight?

a)

Cell Membrane

b)

Nucleus

c)

Chloroplast

d)

Mitochondria

2.

Select all that are reactants for Photosynthesis.

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sunlight (Light Energy)

e)

Glucose (Sugar/food)

3.

Select all that are products of photosynthesis.

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sunlight (Light Energy)

e)

Glucose (Sugar/food)

4.

Which organelle stores water for use in photosynthesis?

a)

Chloroplast

b)

Cell Membrane

c)

Vacuole

d)

Nucleus

5.
Plants need ________from the air for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
6.
What molecule absorbs sunlight during photosynthesis?
a)
Epidermis
b)
thylakoid
c)
the leaf
d)
chlorophyll
7.
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.
8.
The products of photosynthesis are
a)
water and carbon dioxide
b)
oxygen and water
c)
sugar and cabon dioxide
d)
oxygen and sugar (glucose)
9.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
10.
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
11.
In what part of the cell does photosynthesis occur?
a)
Nucleus
b)
Chloroplast
c)
Epidermis
d)
Vacuole
12.
After photosynthesis, plants store their energy as _________ .
a)
chlorophyll
b)
pigment
c)
glucose (sugar)
d)
Oxygen
13.
____________________ provides the energy necessary for photosynthesis.
a)
water
b)
sunlight
c)
glucose
d)
soil
14.
The ____________ is the most photosynthetic part of a plant.
a)
leaf
b)
flower
c)
roots
d)
stem
15.
the products of photosynthesis are...
a)
glucose and sunlight
b)
carbon dioxide and water
c)
glucose and chlorophyll
d)
oxygen and glucose
16.
Glucose is a ...
a)
sugar
b)
carbohydrate
c)
source of quick energy
d)
all are correct
17.
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
18.
The vascular tissue of the plant that transports water is the...
a)
roots
b)
phloem
c)
xylem
d)
stem
19.
The formula for glucose is...
a)
C12 H22 O11
b)
NaCl
c)
NaOH
d)
C6 H12 O6
20.
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
21.
Chlorophyll absorbs ________ light.
a)
red - blue
b)
yellow
c)
green
d)
light greens
22.
This is ...
a)
mitochondria
b)
chloroplast
c)
cell
d)
phloem
23.
The reactant of photosynthesis are...
a)
sunlight and chlorophyll
b)
glucose and oxygen
c)
carbon dioxide and water
d)
sunlight and water
24.
What part of the leaf allows Carbon dioxide in and oxygen out of the leaf?
a)
xylem
b)
phloem
c)
cuticle
d)
stomata
25.

What opens and closes the stomata?

a)

guard cells

b)

xylem

c)

phloem

d)

cuticle

26.
what is the major photosynthetic region of the leaf?
a)
palasade mesophyll layer
b)
spongy layer
c)
guard cells
d)
stomata
27.
What is the ultimate ORIGINAL source of energy for living things
a)
Sugar
b)
Sun
c)
Moon
d)
Carbon Dioxide
28.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
29.
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
30.

When the guard cells are flaccid, the stomata are ____________.

a)

open

b)

closed

31.

When the guard cells are turgid, the stomata are ____________.

a)

open

b)

closed

32.

When the stomata are open, the guard cells are ____________.

a)

flaccid

b)

turgid

33.

When the stomata are closed, the guard cells are ____________.

a)

flaccid

b)

turgid

34.

Give the term which means, 'filled with fluid'.

a)

turgid

b)

flaccid

c)

limp

d)

anaemic

35.

What are the reactants in photosynthesis

a)

H2O and CO2

b)

C6H12O6 and O2

c)

C6H12O6 and CO2

d)

O2 and H2O

36.
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
37.
Why would temperature affect the rate of photosynthesis?
a)
Enzymatic activity is usually temperature dependent
b)
plant cells expand with temp, have greater surface area
c)
More CO2 dissolved in the water
d)
More glucose needed for respiration at higher temperatures
38.
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 
39.
If we enclosed a plant in an air-proof bottle, what would happen to the rate of photosynthesis 
a)
Gradually slow down to zero because CO2 is used up
b)
Shows a constant rate as long as the light remains on
c)
Gradually speeds up because O2 builds up
d)
Gradually slows down because glucose builds up
40.
At which distance is the rate of photosynthesis the highest?
a)
10cm
b)
20cm
c)
15cm
d)
12cm
41.
What is the relationship between distance and the rate of photosynthesis? 
a)
inverse square
b)
proportional
c)
inverse proportional
d)
square
42.
How is reliability increased in the investigation we just conducted?
a)
more trials
b)
more accurate instruments to measure bubble rate
c)
Include a control treatment
d)
Control more variables
43.
How is accuracy increased in the investigation we just conducted?
a)
more trials
b)
more accurate instruments to measure bubble rate
c)
Include a control treatment
d)
Control more variables
44.
How is validity increased in the investigation we just conducted?
a)
more trials
b)
more accurate instruments to measure bubble rate
c)
Include a control treatment
d)
Control more variables
45.
How is the average bubble rate at a given light intensity for three different species of pond weed best represented?
a)
bar graph
b)
line graph
c)
scatter plot
d)
pie chart
46.
What variable does not need to be controlled in the investigation we just conducted?
a)
Quantity of water
b)
Temperature of the water
c)
Species of plant
d)
biomass of plant
47.
What is the best hypothesis for the current investigation?
a)
Light intensity affects the rate of photosynthesis
b)
the rate of photosynthesis increases with light intensity
c)
bubble rate increases with light intensity
d)
the rate of photosynthesis decreases with distance to the light source
48.
Conclusion?
a)
Beyond 500 umol/l CO2, the rate of photosynthesis does not increase
b)
The rate of photosynthesis increases with CO2 concentration
c)
After a while, CO2 production plateaus in photosynthesis
d)
The rate of photosynthesis never exceeds 10 umol O2 / m2 / s
49.

Phloem carries-

a)

Glucose all around the plant

b)

Glucose to the roots only

c)

Water all around the plant

d)

Water up from the roots

50.

Xylem carries-

a)

water up from the roots

b)

water down from the leaves

c)

Glucose from the roots

d)

Glucose down the stem

51.

Where is the main site of photosynthesis on a plant?

a)

Stem

b)

Leaves

c)

Petals

d)

Pollen

52.

Which part of the plant holds the main networks of xylem and phloem?

a)

leaves

b)

petals

c)

stem

d)

roots

53.

Which part of a plant anchors the plant to the ground and soaks up water and minerals?

a)

stem

b)

leaves

c)

roots

d)

petals

54.
How does temperature affect photosynthesis?
a)
Increases the rate at which enzymes work
b)
Gives the plant energy to perform photosynthesis
c)
Stops certain enzymes that interfere with photosynthesis working
55.
When it is chilly and raining outside, there is no photosynthesis taking place. What is the limiting factor?
a)
Temperature
b)
Rainfall
c)
Carbon Dioxide
56.
What is a limiting factor?
a)
The factor which increases the rate of a reaction
b)
The factor that limits the reaction rate
c)
The factor that limits the rate at which an enzyme is destroyed
57.
Which of these will not affect photosynthesis?
a)
Light
b)
Temperature
c)
Glucose Availability
d)
Carbon Dioxide
58.

Increasing temperature can increase enzyme activity to a certain point. Then what happens?

a)

The enzymes have completed all the reactions so stop

b)

The enzymes have been denatured

c)

Nothing - the rate continues to increase all the time

59.
How can greenhouses increase the rate of photosynthesis?
a)
Controlling and trapping heat to increase photosynthesis
b)
Stopping rainfall affecting plant growth
c)
Surrounding plants in the colour green makes them more likely to photosynthesise
d)
Plants are only given what they need instead of just taking everything they can find
60.
If a plant receives more carbon dioxide, what happens to the rate of photosynthesis?
a)
Increases
b)
Decreases
c)
Stays the same
61.

Look at the diagram. Which gas would most likely be found in the greatest amount in the bubbles?
a)
oxygen
b)
nitrogen
c)
ozone
d)
carbon dioxide
62.
A student is collecting the gas given off from a plant in bright sunlight at a temperature of 27°C. The gas being collected is probably ________.
a)
oxygen
b)
carbon dioxide
c)
ATP
d)
glucose
63.
If carbon dioxide is completely removed from a plant’s environment, what would you expect to happen to the plant’s production of high-energy sugars (rate of photosynthesis)?
a)
Sugar production will likely increase.
b)
Sugars will not be produced.
c)
The rate of sugar production will decrease .
d)
Fewer sugars will be produced at first, but then the plant will recover.
64.
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.
65.

Which lettered graph represents the affect of light intensity on photosynthetic rate?

a)

A

b)

B

c)

C

d)

D

66.

Which lettered graph represents the effect of carbon dioxide gas on photosynthetic rate?

a)

A

b)

B

c)

C

d)

D

67.

Which lettered graph represents the effect of temperature on photosynthetic rate?

a)

A

b)

B

c)

C

d)

D

68.

Which factor would not increase the production of glucose by photosynthesis in plants?

a)

freezing temperatures

b)

extra rainfall

c)

increased carbon dioxide levels

d)

increased sunlight exposure

Similar Resources on Wayground

Ch 2 Review (Chemistry)

71 questions

Ch 2 Review (Chemistry)

quiz

Worksheet

•

9th - 12th Grade

BÀI ÔN TẬP 1 CUỐI HK2 SH10-LINK 1

66 questions

BÀI ÔN TẬP 1 CUỐI HK2 SH10-LINK 1

quiz

Worksheet

•

9th - 12th Grade

Sinh 10

63 questions

Sinh 10

quiz

Worksheet

•

10th Grade

Unit 1 Review 2022: Intro to Biology

64 questions

Unit 1 Review 2022: Intro to Biology

quiz

Worksheet

•

10th Grade

Q3 Benchmark Exam

70 questions

Q3 Benchmark Exam

quiz

Worksheet

•

9th - 12th Grade

Spring Final Review

70 questions

Spring Final Review

quiz

Worksheet

•

7th - 10th Grade

protein synthesis 2/12/24

67 questions

protein synthesis 2/12/24

quiz

Worksheet

•

9th - 12th Grade

ÔN TẬP CUỐI KỲ I (2024-2025)

70 questions

ÔN TẬP CUỐI KỲ I (2024-2025)

quiz

Worksheet

•

10th Grade