wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

BIO Ch9 Review - Photosynthesis 2023

Total questions: 75

Worksheet time: 53mins

Name
Class
Date
1.

What are the two parts of photosynthesis? Select both answers

a)

light-dependent reactions

b)

glycolysis

c)

Calvin cycle (light-independent reactions)

d)

electron transport chain reactions

2.

What two energy molecules are made by the light-dependent reactions? Select both answers.

a)

NADPH

b)

glucose

c)

ATP

d)

oxygen gas

3.

What is the goal of the Calvin cycle?

a)

make sugar (C6H12O6)

b)

make oxygen gas (O2)

c)

make ATP

d)

make water (H2O)

4.

Which molecule supplies chlorophyll with electrons?

a)

sun

b)

water

c)

oxygen gas

d)

NADPH

5.

Photosynthesis makes and uses ATP.

a)

True

b)

False

6.

The oxygen gas we breathe comes from the splitting of water molecules during the light-dependant reactions.

a)

True

b)

False

7.

The carbon dioxide is used by the plant during ________.

a)

the light-dependent reactions

b)

the Calvin cycle

8.

Plants use their stomata to obtain _________.

a)

water

b)

carbon dioxide

c)

oxygen gas

9.

Which molecule has more energy?

a)

water

b)

carbon dioxide

c)

sugar

d)

oxygen

10.
What is the source of energy for photosynthesis?
a)
carbohydrates-chemical
b)
sunlight-radiant
c)
heat-thermal
d)
television-electrical
11.

What are the reactants (what's needed) for photosynthesis?

a)

glucose (C6H12O) and oxygen (O2)

b)

light, water (H2O), and carbon dioxide (CO2)

12.
What gas is released by plants during photosynthesis?
a)
sulfur
b)
carbon dioxide
c)
oxygen
d)
hydrogen
13.
What are the products (what's made) during photosynthesis?
a)
glucose and oxygen
b)
water, light, and carbon dioxide
14.
In which organelle (part of the cell) does photosynthesis take place?
a)
mitochondria
b)
chloroplast
c)
nucleus
d)
cell membrane
15.
What pigment absorbs sunlight for photosynthesis?
a)
chloroplast
b)
thylakoid
c)
grana
d)
chlorophyll
16.

Most plants appear green because chlorophyll _________.

a)

absorbs green light

b)

absorbs violet light

c)

reflects green light

d)

does not absorb violet light

17.
Where do the light-dependent reactions occur? 
a)
thylakoid membrane
b)
stroma
c)
mesophyll
d)
mitochondria
18.
Which of the following is NOT a product of the light-dependent reactions?
a)
ATP
b)
NADPH
c)
Oxygen
d)
Glucose
19.

What is the function of NADPH and ATP?

a)

They absorb light

b)

They power the light-dependent reactions

c)

They are light-reflecting pigments

d)

They act as short-term energy storage

20.
Use the diagram to answer the question. Between which parts of the molecule must the bonds be broken to form an ADP molecule?
a)
A and B
b)
A and C
c)
B and C
d)
C and D
21.

Which chemical is an electron carrier molecule?

a)

H2O

b)

carbon dioxide

c)

NADP+

d)

oxygen

22.

Plants need carbon dioxide from their environment to produce glucose during which reactions of photosynthesis?

a)

The light-dependent reactions

b)

The light-independent reactions (The Calvin Cycle)

c)

The electron transport chain

d)

ATP formation

23.
Is ADP or ATP more like a fully charged battery, and why?
a)
ADP, because it has three phosphate groups; breaking and reforming the bonds among them releases energy.
b)
ATP, because it has three phosphate groups; breaking and reforming the bonds among them releases energy.
c)
ADP, because it has two phosphate groups; breaking and reforming the bonds among them releases energy.
d)
ATP, because it has two phosphate groups; breaking and reforming the bonds among them releases energy.
24.

Which of the following is the correct equation for PHOTOSYNTHESIS?

a)

6CO2 + light + 6H2O --> 6O2 + C6H12O6

b)

6CO2 + C6H12O6 + 6H2O --> 6O2 + light

c)

6O2 + light + 6H2O --> 6CO2 + C6H12O6

d)

6CO2 + 6O2 + 6H2O --> Light+ C6H12O6

25.

What is the ultimate ORIGINAL source of energy for living things?

a)

Sugar

b)

Sun

c)

Moon

d)

Carbon Dioxide

26.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
27.

What is produced as a result of photosynthesis?

a)

Glucose and Chlorophyll

b)

Glucose and Oxygen

c)

Water and Light energy

d)

Carbon dioxide and Water

28.
In what part of a plant does the process of photosynthesis occur?
a)
flower
b)
xylem
c)
leaves
d)
roots
29.

The energy plants need to begin the process of photosynthesis comes from the Sun. Which special part in the leaves absorbs energy from the Sun?

a)

phloem

b)

xylem

c)

chloroplast

d)

stomata

30.

The oxygen made by plants is used by _________________.

a)

other plants

b)

animals

31.

Which of the following are products of the light-dependent reactions of photosynthesis that are utilized in the Calvin cycle?

a)

CO2 and glucose

b)

ATP and NADPH

c)

ADP, P, and NADP+

d)

H2O and O2

32.

When oxygen is released as a result of photosynthesis, it is a direct by-product of _________.

a)

reducing NADP+

b)

splitting water molecules

c)

chemiosmosis

d)

electron transfer in photosystem 1

33.

What are the reactants of the Light-independent Reactions? (The Calvin Cycle)

a)

CO2, NADPH, and ATP

b)

CO2, H2O, and ATP

c)

Light, H2O, and ATP

d)

NADPH and ATP

34.
What does CO2 get reduced to in Photosynthesis?
a)
O2
b)
H2O
c)
NADPH
d)
C6H12O6
35.

Name the photosynthetic structure shown here.

a)

photosystem I

b)

photosystem II

c)

thylakoid membrane

d)

chloroplast

36.

Name the photosynthetic structure shown here.

a)

photosystem I

b)

photosystem II

c)

thylakoid membrane

d)

chloroplast

37.

Name that molecule.

a)

ATP

b)

NADPH

c)

RuBP

d)

CO2

38.
Name that molecule.
a)
ATP
b)
NADPH
c)
RuBP
d)
CO2
39.
Name that molecule.
a)
ATP
b)
NADPH
c)
RuBP
d)
CO2
40.

What is the primary function of the light-dependent reactions of photosynthesis?

a)

To produce glucose

b)

To produce NADPH and ATP

c)

To use ATP

d)

To produce RuBP

41.
Which of the following molecules is not needed for the Calvin Cycle?
a)
CO2
b)
ATP
c)
NADPH
d)
H2O
42.
Where does the Calvin cycle take place?
a)
stroma of the chloroplast
b)
thylakoid membrane
c)
outer membrane of the chloroplast
d)
interior of the thylakoid membrane
43.

The H+ concentration gradient is formed to

a)

make NADPH

b)

split a water molecule

c)

generate ATP

d)

form water

44.

If the proton (H+) pump in the thylakoid was not working which molecule could not be made during the light-dependent reactions?

a)

NADPH

b)

ATP

c)

Water

d)

Oxygen gas

45.

Plants obtain CO2 into the chloroplast by _________.

a)

active transport

b)

diffusion

c)

facilitated diffusion

d)

endocytosis

46.

Cluster of chlorophyll and proteins found in thylakoids

(a)  

47.

Series of electron carrier proteins that shuttle high-energy electrons during ATP-generating reactions

(a)  

48.

Cluster of proteins that span the thylakoid membrane and allow hydrogen ions [H+] to pass through it

(a)  

49.

The light-independent reactions of photosynthesis in which energy from ATP and NADPH is used to build high-energy compounds such as sugar

(a)  

50.

Light-absorbing molecule used by plants to gather the sun’s energy

(a)  

51.

Principal pigment of plants and other photosynthetic organisms

(a)  

52.

Saclike photosynthetic membranes found in chloroplasts

(a)  

53.

Fluid portion of the chloroplast; outside of the thylakoids

(a)  

54.

Carrier molecule that transfers high-energy electrons from chlorophyll to other molecules - (nicotinamide adenine dinucleotide phosphate)

(a)  

55.

Set of reactions in photosynthesis that use energy from light to produce light ATP and NADPH

(a)  

56.

Set of reactions in photosynthesis that do not require light; energy from ATP and NADPH is used to build high-energy compounds such as sugars

(a)  

57.

Compound used by cells to store and release energy

(a)  

58.

Process used by plants and other autotrophs to capture light energy and use it to power chemical reactions that convert carbon dioxide and water into oxygen and energy-rich carbohydrates such as sugars and starches

(a)  

59.

The oxygen gas we breathe comes from the splitting of water during the light-dependent reactions

a)

True

b)

False

60.

The carbon dioxide is used by the plant during

a)

the light-dependent reactions

b)

the Calvin cycle

61.

Neither the light-dependent reactions or the Calvin cycle can occur when there is no light out.

a)

True

b)

False

62.

The more CO2 in the air, the faster photosynthesis can occur

a)

True

b)

False

63.

Chlorophyll

a)

converts light energy to electron energy

b)

takes CO2 and combines it with water

c)

absorbs green light

d)

is located in the stroma of a chloroplast

64.

Plants are producers and autotrophs

a)

True

b)

False

65.
What is the function of NADP+?
a)
It absorbs light
b)
It is an electron carrier
c)
It is a light-reflecting pigment
d)
It acts as long-term energy storage
66.
Where does the carbon come from that is used to form glucose?
a)
The soil
b)
CO2 in the air
c)
From other carbohydrates
d)
Calvin Cycle
67.

What is the primary function of the Calvin cycle?

a)

regenerate ATP for use in the light-dependent reactions of photosynthesis

b)

produce carbon dioxide for use in the light-dependent reactions of photosynthesis

c)

produce oxygen by oxidizing water

d)

produce simple sugars from carbon dioxide

68.

How many 6-carbon sugar molecules are produced from every six molecules of carbon dioxide that enter the Calvin cycle?

a)

1

b)

3

c)

6

d)

12

69.

If the proton (H+) pump in the thylakoid was not working which molecule could not be made during the light-dependent reactions?

a)

NADPH

b)

ATP

c)

Water

d)

Oxygen gas

70.

Predict which of the following plants would have the most oxygen produced in 1 hour?

a)

A plant given red light only

b)

A plant given blue light only

c)

A plant given white light

d)

A plant given green light only

71.

Which natural resources do plants need to make their own food? Choose all that apply.

a)

Sunlight

b)

Oxygen

c)

Water

d)

Carbon Dioxide

72.

What gas do plants need to make their own food through photosynthesis?

a)

oxygen

b)

carbon dioxide

c)

helium

d)

neon

73.
Chlorophyll causes many plants to be what color?
a)
yellow
b)
green
c)
brown
d)
orange
74.

Which organisms perform Photosynthesis?

a)

Only Producers and Autotrophs

b)

Only Herbivores

c)

Autotrophs and Herbivores

75.
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

Similar Resources on Wayground

Punnett Square time

78 questions

Punnett Square time

quiz

Worksheet

•

4th - 10th Grade

Unit 8 Genetics Review

72 questions

Unit 8 Genetics Review

quiz

Worksheet

•

9th - 12th Grade

Biology Final Review

75 questions

Biology Final Review

quiz

Worksheet

•

9th - 10th Grade

Evolution Review

75 questions

Evolution Review

quiz

Worksheet

•

9th - 10th Grade

CH 7 Skeletal System Review

70 questions

CH 7 Skeletal System Review

quiz

Worksheet

•

10th - 12th Grade

Exam 3 Review

80 questions

Exam 3 Review

quiz

Worksheet

•

9th - 12th Grade

Biology - Final Exam

75 questions

Biology - Final Exam

quiz

Worksheet

•

9th - 12th Grade

Unit 1: Introduction to Biology

70 questions

Unit 1: Introduction to Biology

quiz

Worksheet

•

9th - 12th Grade