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Energy + Matter Review

Total questions: 20

Worksheet time: 20mins

Name
Class
Date
1.

Decomposer organisms break down dead organisms, providing energy to carnivores

a)

true

b)

false

2.

What is the source of all energy?

a)

Moon

b)

Fire

c)

Sun

d)

Gravity

3.
Which one is NOT an example of a decomposer?
a)
mushroom
b)
leaves
c)
mold
d)
worm
4.
What is the main function of chloroplast?
a)
Mitosis
b)
Meiosis
c)
Translation
d)
Photosynthesis
5.

Mitochondria have their own ____ and DNA floating in the matrix

a)

ions

b)

ATP

c)

water

d)

ribosomes

6.

What does CHNOPS stand for?

a)

Carbon, Helium, Nitrogen, Oxygen, Phosphorus, Sulfur

b)

Calcium, Hydrogen, Nickel, Osmium, Palladium, Selenium

c)

Chlorine, Hydrogen, Neon, Oxygen, Platinum, Silicon

7.
Energy is released from ATP when
a)
a phosphate group is added
b)
adenine bonds to ribose
c)
ATP is exposed to sunlight
d)
a phosphate group is removed
8.
What is the source of energy for photosynthesis?
a)
carbohydrates-chemical
b)
sunlight
c)
heat-thermal
d)
electrical
9.

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

10.
Which sentence correctly describes photosynthesis. (assume there is enough sunlight)
a)
CO2 and water combine and make O2 and glucose
b)
O2 and water combine to make glucose and CO2
c)
O2 and CO2 combine to make water and glucose
d)
CO2 and glucose combine to make O2 and water
11.
Carbon can be found in...
a)
The atmosphere
b)
Soil
c)
Fossil fuels
d)
All of the above
12.

A correct path that nitrogen could take would be _____

a)

air -> animals->plants->bacteria

b)

animals->air->bacteria->plants

c)

air -> bacteria ->plants -> animals

d)

bacteria ->air -> animals->plants

13.

This is NOT a part of the phosphorus cycle.

a)

Phosphate is incorporated into sedimentary rocks

b)

Phosphate bound to soil

c)

Atmospheric phosphate

d)

Phosphate is absorbed from the soil by plants

14.
Which of the following statements is true of the phosphorus cycle?
a)
Phosphorus enters the atmosphere as phosphates.
b)
The phosphorus cycle utilizes the processes of erosion, and weathering.
c)
Phosphates are used in carbohydrate and glucose storage.
d)
The phosphorus cycle utilizes bacteria to breakdown phosphates and make them available for plants.
15.

How does sulfur return to the soil? Choose all that apply.

a)

Dry deposition of ammonium sulfate

b)

Wet deposition of sulfuric acid

c)

Humans add fertilizers containing sulfates to the soil

d)

Decomposition of dead plants and animals

16.

Glycolysis has a net gain of how many ATP molecules?

a)

2

b)

4

c)

6

17.
The number of ATP molecules produced out of Krebs Cycle is:
a)
2
b)
3
c)
4
d)
0
18.

The Electron Transport Chain contains _____ ATP

a)

32

b)

3

c)

13

d)

23

19.

What percent defines the definition? (When an energy passes through the food chain)

a)

30%

b)

5%

c)

10%

d)

70%

20.
Where does glycolysis take place in cells?
a)
Cytoplasm
b)
Mitochondrion
c)
Endoplasmic Reticulum
d)
Ribosomes

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