Free Printable Unit 6: Cells - Test Review

Free Printable Worksheets

Worksheets

Unit 6: Cells - Test Review

Total questions: 50

Worksheet time: 2hrs 40mins

Name

Class

Date

1.

What cell parts do all cells NOT have in common?

a)

Cell membrane

b)

Ribosomes

c)

Cytoplasm

d)

Nucleic Acids/Genetic Material

e)

membrane-bound organelles

2.

Choose the correct answer from the options below for this statement:

Has DNA and RNA

a)

Both Prokaryote and Eukaryote have DNA and RNA.

b)

Only Prokaryote has DNA and RNA.

c)

Only Eukaryote has DNA and RNA.

d)

Neither Prokaryote nor Eukaryote has DNA and RNA.

3.

Choose the correct answer from the options below for this statement:

Has a cell membrane

a)

Both Prokaryote and Eukaryote have a cell membrane.

b)

Only Prokaryote has a cell membrane.

c)

Only Eukaryote has a cell membrane.

d)

Neither Prokaryote nor Eukaryote has a cell membrane.

4.

Choose the correct answer from the options below for this statement:

Has mitochondria

a)

Only Eukaryote has mitochondria.

b)

Both Prokaryote and Eukaryote have mitochondria.

c)

Only Prokaryote has mitochondria.

d)

Neither Prokaryote nor Eukaryote have mitochondria.

5.

Choose the correct answer from the options below for this statement:

Has no nucleus

a)

Only Prokaryote has no nucleus.

b)

Both Prokaryote and Eukaryote have no nucleus.

c)

Only Eukaryote has no nucleus.

6.

Choose the correct answer from the options below for this statement:

Has a nucleus

a)

Only Eukaryote has a nucleus.

b)

Both Prokaryote and Eukaryote have a nucleus.

c)

Only Prokaryote has a nucleus.

d)

Neither Prokaryote nor Eukaryote has a nucleus.

7.

Choose the correct answer from the options below for this statement:

Lacks membrane bound organelles

a)

Only Prokaryote lacks membrane bound organelles.

b)

Both Prokaryote and Eukaryote lack membrane bound organelles.

c)

Only Eukaryote lacks membrane bound organelles.

d)

Neither Prokaryote nor Eukaryote lack membrane bound organelles.

8.

Choose the correct answer from the options below for this statement:

Contains membrane bound organelles

a)

Only Eukaryote contains membrane bound organelles.

b)

Both Prokaryote and Eukaryote contain membrane bound organelles.

c)

Only Prokaryote contains membrane bound organelles.

d)

Neither Prokaryote nor Eukaryote contain membrane bound organelles.

9.

A scientist has discovered an organism. It is microscopic, green in color, has circular DNA floating around in the cytoplasm and lacks membrane bound organelles. What kind of cell would this be classified as and how do you know?

a)

It would be classified as a prokaryotic cell because it has circular DNA and lacks membrane bound organelles.

b)

It would be classified as a eukaryotic cell because it is green in color.

c)

It would be classified as a plant cell because it is microscopic and green.

d)

It would be classified as an animal cell because it lacks membrane bound organelles.

10.

A virus is (a) and has its genetic material protected by a protein coat called a (b) .

Choose from the below words

flagella

nonliving

living

capsid

cell membrane

cell wall

11.

Determine if the following characteristics belong to a bacteria (B), a virus (V), or BOTH:

Contains DNA inside a capsid

a)

Bacteria (B)

b)

Virus (V)

c)

BOTH

12.

Determine if the following characteristics belong to a bacteria (B), a virus (V), or BOTH:

Has DNA and RNA

a)

Bacteria (B)

b)

Virus (V)

c)

BOTH

13.

Determine if the following characteristics belong to a bacteria (B), a virus (V), or BOTH:

Reproduces using binary fission

a)

Bacteria (B)

b)

Virus (V)

c)

BOTH

14.

Determine if the following characteristics belong to a bacteria (B), a virus (V), or BOTH:

Must infect a host cell to reproduce

a)

Bacteria (B)

b)

Virus (V)

c)

BOTH

15.

Determine if the following characteristics belong to a bacteria (B), a virus (V), or BOTH:

Can spread disease

a)

Bacteria (B)

b)

Virus (V)

c)

BOTH

16.

Determine if the following characteristics belong to a bacteria (B), a virus (V), or BOTH:

Are microscopic

a)

Bacteria (B)

b)

Virus (V)

c)

BOTH

17.

Determine if the following characteristics belong to a bacteria (B), a virus (V), or BOTH:

Has genetic material

a)

Bacteria (B)

b)

Virus (V)

c)

BOTH

18.

Determine if the following characteristics belong to a bacteria (B), a virus (V), or BOTH:

Has organelles

a)

Bacteria (B)

b)

Virus (V)

c)

BOTH

19.

Viruses infect a cell by:

a)

attaching to the cell and injecting their genetic material

b)

engulfing the cell and digesting it

c)

fusing with the cell membrane and becoming part of the cell

d)

releasing toxins that destroy the cell membrane

20.

Stopping viruses from spreading can be achieved by:

a)

Washing hands regularly

b)

Sharing personal items

c)

Ignoring symptoms

d)

Avoiding vaccinations

21.

What are the four biomolecules?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

22.

Match the correct biomolecule to its function:

a)

Carbohydrate

1.

Provides quick energy for cellular functions

b)

Lipid

2.

Provides long term energy storage for cellular functions

c)

Protein

3.

Can act as antibodies for the immune system

d)

Nucleic Acid

4.

Stores genetic information

23.

Match the correct biomolecule to its function:

a)

Carbohydrate

1.

Used by the mitochondria to make ATP

b)

Lipid

2.

Makes up the bilayer of the cell membrane

c)

Protein

3.

Provides cellular structures like cell walls for plants and fungi

d)

Nucleic Acid

4.

Helps make proteins

24.

Match the correct biomolecule to its function:

a)

Carbohydrate

1.

Short-term energy

b)

Lipid

2.

Can provide protection and insulation

c)

Protein

3.

Provide structural support and movement (hair, skin, nails, muscles)

d)

Nucleic Acid

4.

stores genetic information

25.

(a) are (b) that can speed up chemical reactions?

Choose from the below words

Proteins

Carbohydrates

Enzymes

Lipids

Nucleic Acids

26.

What are enzymes and how do they function in chemical reactions?

a)

Enzymes, lowering the activation energy, biological catalysts

b)

Enzymes, increasing the activation energy, chemical inhibitors

c)

Enzymes, providing energy to reactions, biological reactants

d)

Enzymes, acting as substrates, chemical products

27.

Are enzymes reusable?

a)

Yes, as long as they do not change shape.

b)

No, enzymes are used up after one reaction.

c)

Enzymes can only be used once.

d)

Enzymes are destroyed after each reaction.

28.

What three environmental factors can affect enzymes and their ability to work?

a)

Temperature

b)

pH

c)

Substrate concentration

29.

When an enzyme changes its shape and no longer works this is called ________.

a)

denaturation

b)

activation

c)

replication

d)

saturation

30.

Which Graph shows that an enzyme works best at a pH of 4?

a)

b)

c)

d)

31.

Which Graph shows that an enzyme works best at a pH of 7?

a)

b)

c)

d)

32.

Which graph shows that the enzyme works best at 100 degrees?

a)

b)

c)

d)

33.

Which line shows that an enzyme works best at a pH pf 9?

a)

A

b)

B

c)

C

34.

Which Enzyme works best at a temperature of 37?

a)

Enzyme A

b)

Enzyme B

35.

Which Enzyme works best at a pH of 7.5?

a)

Enzyme A

b)

Enzyme B

36.

Which Enzyme works best at warmer temperatures?

a)

Enzyme A

b)

Enzyme B

37.

What can we conclude from the graph? At a temperature of 62 ...

a)

Enzyme activity is highest

b)

Enzyme activity is low but working

c)

Enzyme is denatured

38.

What can we conclude from the graph? At a a pH of 6...

a)

Enzyme A works best

b)

Enzyme B works best

c)

Enzyme A works but low activity

d)

Enzyme B works but low activity

39.

Enzymes catalyze reactions by ___________ Activation Energy.

a)

Increasing

b)

Decreasing

40.

What is the term for the minimum energy required to start a chemical reaction?

a)

Activation energy

b)

Kinetic energy

c)

Potential energy

d)

Thermal energy

41.

How does pH affect enzyme activity?

a)

Enzymes are not affected by pH

b)

Each enzyme has an optimal pH range

c)

Enzymes work best at pH 7

d)

Enzymes are denatured at any pH

42.

Which of the following best describes the "lock and key" model of enzyme action?

a)

Enzymes can bind to any substrate

b)

Enzymes and substrates fit together precisely

c)

Enzymes change shape to fit the substrate

d)

Enzymes are permanently altered by the substrate

43.

What is the effect of a competitive inhibitor on enzyme activity?

a)

It increases the enzyme's activity

b)

It binds to the active site, blocking the substrate

c)

It changes the enzyme's shape permanently

d)

It has no effect on the enzyme

44.

What happens to an enzyme when it is denatured?

a)

It becomes more active

b)

It loses its specific shape

c)

It binds more substrates

d)

It becomes a different enzyme

45.

What is structure C?

a)

Substrate

b)

Active site

c)

Enzyme

d)

Products

46.

What is structure D?

a)

Substrate

b)

Active site

c)

Enzyme

d)

Products

47.

What is structure A?

a)

Substrate

b)

Active site

c)

Enzyme

d)

Products

48.

Match the following

a)

1.

protein

b)

2.

nucleic acid

c)

3.

carbohydrate

d)

4.

lipid

49.

Carbs and lipids are similar because they...

a)

Are a source of energy for living organisms

b)

Help with immune response

c)

build structures such as cellulose and chitin

d)

Contain the same elements (CHO)

50.

True or False: Biomolecules are necessary for ALL living organisms

(a)

Reset

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