wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Unit 3 Exam 3 Review (Biology)

Total questions: 40

Worksheet time: 40mins

Name
Class
Date
1.

What do you call organisms that can make their own food?

a)

heterotophs

b)

autotrophs

c)

trophies

2.
What is another name to describe an autotroph?
a)
Consumer
b)
Producer
3.

Organisms that cannot make their own food and must get energy from eating other organisms are called...

a)

autotrophs

b)

heterotrophs

c)

plants

4.
What is another name to describe a heterotroph?
a)
Consumer
b)
Producer
5.

________________ are consumers that eat ONLY PLANTS.

a)

Herbivores

b)

Carnivores

c)

Omnivores

d)

Producers

6.

__________________ are consumers that eat ONLY MEAT (other animals)?

a)

Omnivores

b)

Carnivores

c)

Producers

d)

Herbivores

7.

__________________ are consumers that eat BOTH Plants and Animals for food.

a)

Omnivores

b)

Producers

c)

Herbivores

d)

Carnivores

8.

How much energy is moved from one trophic level to the next trophic level?

a)

100%

b)

1/2

c)

10%

d)

25%

9.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
d)
Food pyramid
10.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
d)
Food pyramid
11.

Which group of living things makes up the bottom level of an energy pyramid?

a)

consumers

b)

herbivores

c)

carnivores

d)

producers

12.

Which part of the plant cell enables photosynthesis?

a)

Vacuole

b)

Chloroplast

c)

Cell Wall

d)

Chlorophyll

13.

What are the reactants to the Light Reactions?

a)

Sunlight and Water

b)

Sunlight and Oxygen

c)

Oxygen and Water

d)

Sunlight and Carbon Dioxide

14.

What are the products to the light reactions?

a)

Sunlight and Oxygen

b)

Sunlight and Water

c)

ATP, NADPH and Oxygen

d)

ADP, NADP+ and Oxygen

15.

Where do the light reactions occur?

a)

Cytoplasm

b)

Stroma

c)

Granum

d)

Thylakoid

16.

What is the correct equation for photosynthesis?

a)
6O2 + C6H12O6 -> 6CO2 + 6H2O + Energy
b)
6O2 + C6H12O6 + Energy -> 6CO2 + 6H2O
c)
6CO2 + 6H2O -> 6O2 + C6H12O6 + Energy
d)
6CO2 + 6H2O + Energy -> 6O2 + C6H12O6
17.

In the Light Reactions, Photosystem I helps ________.

a)

produces ADP

b)

produces organic ompounds

c)

splits water & produces ATP

d)

attaches electrons to NADPH

18.

In the Light Reactions, Photosystem II helps_________.

a)

splits water & produces ATP

b)

attaches electrons to NADPH

c)

produces organic compounds

d)

produces ADP

19.

Hydrogen protons traveling through this membrane-embedded protein produces chemical energy.

a)

NADPH reductase

b)

ATP synthase

c)

Photosystem I

d)

Photosystem II

20.
What are the two products of the light reactions that are needed for the calvin cycle?
a)
NAD and NADPH
b)
NADP + and Glucose
c)
NADPH and ATP
d)
Oxygen and NADPH
21.

What’s the name of the pigment that absorbs light in photosynthesis? 

a)

Carotene

b)

Thylakoid

c)

Chlorophyll

d)

Chloroplast

22.

What color of light is not absorbed in photosynthesis?

a)

Yellow

b)

Green

c)

X-Rays

d)

Red

23.
Thylakoids are arranged in stacks called ____.
a)
Lamellae
b)
Stroma
c)
Granum
d)
Glucose
24.
The gel-like material that surrounds the grana is called ____
a)
lamellae
b)
granum
c)
thylakoid
d)
stroma
25.

Where do the dark reactions (Calvin cycle) take place?

a)

thylakoid membrane

b)

lumen

c)

stroma

26.
Where does glycolysis take place?
a)
Cytoplasm
b)
Stroma
c)
Thylakoid
d)
Mitochondria
27.
This process releases chemical energy from sugars and other carbon-based molecules to make ATP when oxygen is present.
a)
photosynthesis
b)
light-independent reaction
c)
cellular respiration
d)
light-dependent reaction
28.
Glucose is broken down during which process
a)
Krebs cycle
b)
Calvin cycle
c)
Glycolysis
d)
Photosynthesis
29.
What is the correct equation for cellular respiration?
a)
6O2 + C6H12O6 -> 6CO2 + 6H2O + Energy
b)
6O2 + C6H12O6 + Energy -> 6CO2 + 6H2O
c)
6CO2 + 6H2O -> 6O2 + C6H12O6 + Energy
d)
6CO2 + 6H2O + Energy -> 6O2 + C6H12O6
30.

Which of the following is a product of cellular respiration?

a)

Glucose

b)

Carbon Dioxide

c)

Oxygen

d)

Radiant Energy

31.

Which of the following is a reactant of cellular respiration

a)

Carbon Dioxide

b)

Water

c)

Oxygen

d)

ATP

32.

Which statement is true regarding cellular respiration?

a)

The reactants of cellular respiration are identical to the reactants of photosynthesis.

b)

The reactants of cellular respiration are obtained from the products of photosynthesis.

c)

The products of cellular respiration are the same as the products of photosynthesis

d)

Cellular respiration only occurs in autotrophs, photosynthesis occurs only in heterotrophs.

33.

Glycolysis goes through...

a)

aerobic respiration

b)

anaerobic respiration

c)

both

34.

The Krebs Cycle and Electron Transport Chain go through...

a)

aerobic respiration

b)

anaerobic respiration

c)

both

35.

Glycolysis produces...

a)

2 ATP

b)

4 ATP

c)

6 ATP

d)

8 ATP

36.

Kreb's Cycle produces...

a)

2 ATP

b)

4 ATP

c)

6 ATP

d)

8 ATP

37.

Electron Transport Chain produces...

a)

12 ATP

b)

24 ATP

c)

32 ATP

d)

48 ATP

38.

During Photosynthesis, the light dependent reactions convert water into ____.

a)

Carbon Dioxide

b)

ADP

c)

Oxygen

d)

NADP

39.

During the photosynthesis, the light independent reactions convert carbon dioxide into _________.

a)

Oxygen

b)

Water

c)

NADPH

d)

Glucose

40.

If no oxygen is present, glucose is broken down into ______ (Check all that apply)

a)

Lactic Acid

b)

Ethanol

c)

Methanol

Similar Resources on Wayground

KSEEB SCIENCE MODEL QUETION PAPER 2 FOR 10TH BOARD EXAM

40 questions

KSEEB SCIENCE MODEL QUETION PAPER 2 FOR 10TH BOARD EXAM

quiz

Worksheet

•

10th Grade - Professi...

SC103-2 Week 1 Review Summer 2025

36 questions

SC103-2 Week 1 Review Summer 2025

quiz

Worksheet

•

Professional Development

Qiuz IE sci Ecology Vocabulary Review

39 questions

Qiuz IE sci Ecology Vocabulary Review

quiz

Worksheet

•

Professional Development