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Worksheets

Energy and Matter Unit

Total questions: 20

Worksheet time: 20mins

Name
Class
Date
1.

How is carbon released into the atmosphere that is not part of the natural carbon cycle?

a)

Photosynthesis

b)

Denitrification

c)

combustion

d)

Nitrification

2.

Which of the following best explains letter B in the diagram below? zoom in to see it

a)

release of CO2 into the atmosphere by the process of respiration

b)

removal of CO2 from the atmosphere by the process of photosynthesis

c)

dead organisms becoming fossil fuels used in cars and factories

d)

none of the above

3.

Which process removes carbon dioxide from the air ( letter A)?

a)

respiration

b)

photosynthesis

c)

the burning of fossil fuels

d)

the burning of trees

4.

What is the process of converting nitrogen from its molecular form (N2) into a usable form by living organisms ( Letter A)?

a)

respiration

b)

transpiration

c)

fixation

d)

decomposition

5.

Using the diagram below, after nitrogen fixation, what biotic factor causes nitrification(making NH3 and nitrites and nitrates)

a)

bacteria

b)

dead matter

c)

soil

d)

water

6.

Which of the following statements is most accurate about the process of photosynthesis?

a)

The reactants in photosynthesis are used as reactants in respiration

b)

The reactants of photosynthesis are used as products in respiration

c)

The reactants of photosynthesis are not used in respiration

d)

There are no reactants in photosynthesis

7.

Which types of organisms would use photosynthesis to create their own source of energy?

a)

Trees, grass, and sunflowers

b)

Dogs, cats, and mushrooms

c)

Mushrooms, grass, and humans

d)

Ants, fish, and seaweed

8.

Which of the following is an accurate description of the structure of an ATP molecule?

a)

three phosphate groups are bonded to adenosine

b)

three amino acids are bonded to phosphate and triglyceride

c)

alpha groups, triple bonds, and amino acid monomers are bonded together

d)

adenosine and two phosphate group

9.

Organisms such as plants and animals need the constant production of ATP at the cellular level to maintain daily functions. What process allows for these organisms to produce ATP and and where does it take place in the cell

a)

The process is cellular respiration and happens in the Mitochondria

b)

The process is photosynthesis and happens in the Chloroplast

c)

The process in cellular respiration and happens in the Golgi Apparatus

d)

The process is photosynthesis and happens in the Rough Endoplasmic Reticulum

10.

How is the energy released from ATP?

a)

A phosphate is removed

b)

A phosphate is added

c)

An adenosine is added

d)

An adenosine is removed

11.

How is energy stored when ADP is converted to ATP?

a)

A phosphate is added to ADP

b)

A phosphate is added to ATP

c)

A phosphate is removed from ADP

d)

A phosphate is removed from ATP

12.

Identify the correct chemical reaction for photosynthesis

a)

6CO2 + 6H2O + light energy → C6H12O6 + 6O2

b)

Light energy+ C6H12O6→ 6CO2 + 6H2O

c)

6CO2 + 6H2O→ 6CO2 + 6H2O + light energy

d)

C6H12O6 + 6O2 → 6CO2 + 6H2O + light energy

13.

Identify the correct chemical reaction for cellular respiration.

a)

ATP+ C6H12O6→ 6CO2 + 6H2O

b)

C6H12O6 + 6O2 → 6CO2 + 6H2O + ATP

c)

6CO2 + 6H2O + ATP → C6H12O6 + 6O2

d)

6CO2 + 6H2O→ 6CO2 + 6H2O +ATP

14.

In the diagram below, what products would the rabbit produce?

a)

Rabbits perform cellular respiration and would produce CO2 ,H20 and and that is it

b)

Rabbits perform cellular respiration and would produce C6H12O6 and energy as a product

c)

Rabbits perform photosynthesis and would produce C6H12O6 and O2 as a product

d)

Rabbits perform cellular respiration and would produce CO2 ,H20 and energy as a product

15.

Where does photosynthesis occur?

a)

In the chloroplast

b)

In the nucleus

c)

In the mitochondria

d)

In the prokaryote

16.

What types of organism would use cellular respiration

a)

trees

b)

sand

c)

dogs

d)

both trees and dogs

17.

Which of the following organisms would breathe in the gas that is produced from cellular respiration?

a)

dandelion (type of flower)

b)

cat

c)

dog

d)

horse

18.

Based on the diagram below which of the following statement is true about A and D?

a)

They are reactants in the process of photosynthesis

b)

they are products in the process of photosynthesis

c)

they produce ATP in the process of Photosynthesis

d)

they are reactants in the process of respiration

19.

Letter C in the diagram is a product of which reaction

a)

Light dependent reactions

b)

photosynthesis

c)

Glycolysis

d)

respiration

20.

Which of the following below would complete the formula for photosynthesis?

a)

H2O AND C6H12O6

b)

C6H12O6 AND H2O

c)

C5H10O4 AND H30

d)

NH3 AND CH4