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Unit 4: Energy Review

Total questions: 25

Worksheet time: 37mins

Name
Class
Date
1.
Which organelle performs PHOTOSYNTHESIS?
a)
Chloroplast
b)
Mitochondria
2.

Which of the following is the correct equation for PHOTOSYNTHESIS?

a)

CO2 + H2O + light --> Sugar + O2

b)

CO2 + sugar + H2O --> O2 + light

c)

O2 + H2O + light --> CO2 + Sugar

d)

CO2 + O2 + H2O --> light + Sugar

3.
What is the ultimate ORIGINAL source of energy for living things
a)
Sugar
b)
Sun
c)
Moon
d)
Carbon Dioxide
4.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
5.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
6.
Plants need ________ for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
7.
Chloroplasts are...
a)
Structures of animal cells to produce ATP
b)
Organelles where lipids are elaborated
c)
Specialized structures of plants where food is made
d)
Waste organelle of plants
8.

All living things do which of the following?

a)

photosynthesis

b)

cell respiration

9.
What is one of the reactants of cellular respiration?
a)
energy
b)
glucose
c)
carbon dioxide
d)
water
10.

In which way are photosynthesis and cellular respiration different?

a)

Photosynthesis releases energy, while cellular respiration stores energy.

b)

Cellular respiration produces oxygen, while photosynthesis uses oxygen.

c)

Photosynthesis uses carbon dioxide, while cellular respiration produces carbon dioxide.

11.

What is the correct equation for cellular respiration?

a)

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

b)

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

c)

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

d)

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

12.
Cellular Respiration's goal is to
a)
make water
b)
make ATP
c)
make glucose
d)
make  oxygen
13.

What is cellular respiration?

a)

the breakdown of glucose to release ATP

b)

the breakdown of glucose to release oxygen

c)

the breakdown of glucose to release carbon

d)

the breakdown of glucose to release water

14.

What are the two reactants of cellular respiration?

a)

C6H12O6 & 6CO2 (sugar and carbon dioxide)

b)

6CO2 & 6H2O (carbon dioxide and water)

c)

C6H12O6 & 6O2 (sugar and oxygen)

d)

6CO2 & 6O2 (carbon dioxide and oxygen)

15.

Which of the following is the correct structure of ATP?

a)
b)
c)
d)
16.

How does ATP provide energy for the cell?

a)

The bond between the first and second phosphate is broken to release energy.

b)

The bond between the adenine and the sugar is broken to release energy.

c)

The bond between the sugar and phosphates are broken and release energy.

d)

The bond between the second and third phosphate are broken to release energy.

17.
Using the figure, which parts of the molecule must the bonds be broken to form an ADP molecule?
a)
A and B
b)
B and C
c)
C and D
d)
all of the above
18.
Photosynthesis _______ energy while cellular respiration ______ energy.
a)
uses; releases
b)
releases; uses
c)
uses; uses
d)
releases; releases
19.

Chlorophyll (found in chloroplasts) traps energy from sunlight and stores it as what kind of energy?

a)

sugar

b)

ATP

c)

light

20.

True or False: Plants do both cell respiration and photosynthesis.

a)

True

b)

False

21.

Carbon used in the Calvin Cycle comes from what molecule from the atmosphere?

a)

Oxygen

b)

Methane

c)

Carbon Dioxide

d)

Water

22.

Fermentation is an anaerobic process for releasing energy from glucose. Anaerobic means it takes place in:

a)

An oxygen-rich environment.

b)

an environment devoid of light

c)

an environment devoid of oxygen

23.
Which bond of the ATP molecule is broken in order to release energy?
a)
A
b)
B
c)
C
d)
D
24.
What cells in the body may undergo lactic acid fermentation during exercise? 
a)
Muscle cells
b)
Fat cells
c)
Liver cells
d)
Skin cells
25.
Fermentation is cellular respiration without which molecule?
a)
CO2
b)
O2
c)
C6H12O6

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