wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Unit 2&3 Exam Review 23

Total questions: 48

Worksheet time: 25mins

Name
Class
Date
1.

Plant cells have chloroplasts and cell walls where animal cells do not.

What are the two main differences between plant cells and animal cells

a)

Animal cells have a cell membrane, plants do not.

b)

Animal cells have mitochondria, plant cells do not.

c)

Plant cells are eukaryotic, animal cells are not.

d)

Plant cells have large water filled vacuoles, chloroplasts and a cell wall where animal cells have small food vacuoles, with no cell wall or chloroplasts

2.

The main difference between a prokaryotic and eukaryotic cell is that eukaryotic cells have (a) __________ and prokaryotic cells do not.

a)

Cell membrane

b)

ribosomes

c)

nucleus

d)

genetic material

3.

Both eukaryotic and prokaryotic cells have: _________.

a)

cell membrane, genetic material, ribosomes

b)

nucleus, membrane bound organelles

c)

vacuoles, mitochondria, chloroplasts

d)

centrioles, golgi apparatus, endoplasmic reticulum

4.

"Euks have nukes and pro have no nukes". Examples of membrane bound organelles are chloroplasts, mitochondria, endoplasmic reticulum, vacuoles, nucleus and golgi apparatus. All eukaryotic cells have_______ where prokaryotic cells do not.

a)

Genetic material and ribosomes

b)

cell membrane and ribosomes

c)

membrane bound nucleus and amembrane bound organelles

d)

proteins and lipids

5.

Enzymes work best at an optimum pH and temperature.

According to the graph what is the optimum temperature and pH for this enzyme?

a)

20 degrees

pH of 2

b)

35 degrees

pH of 6

c)

45 degrees

pH of 9

d)

Data not sufficient

6.

Prokaryotic cells are bacterial cells, they are more simple than eukaryotic cells. Eukaryotic cells are complex with membrane bound organelles including a nucleus.

Which of the following is found in both prokaryotic and eukaryotic cells?

a)

Mitochondria

Chloroplasts

Vacuoles

Nucleus

b)

Golgi Apparatus

Endoplasmic reticulum

Centrioles

Vacuoles

c)

Cell membrane

Ribosomes

Genetic material

cytoplasm

d)

Chloroplasts

Cell Wall

Cell Membrane

Nucleus

7.

For an enzyme to be able to work it must have a shape that _________ the _________.

a)

fits, substrate

b)

deactivates, substrate

c)

substrates the deactivator

d)

equalizes the substrate

8.

Cell transport, that is, the movement of molecules across the cell membrane, involves homeostasis (i.e. balance in the cell). Notice that the movement of molecules goes from a high concentration to a low concentration here, this is considered passive transport. Active transport would be going from low to high.

What would you call the process that is happening here?

a)

energy is converted as well as new molecules are formed

b)

new molecules are formed and ATP is produced

c)

Active transport is required and homeostasis (balance) is achieved

d)

Molecules are moved and homeostasis (balance) is achieved

9.

Cell transport (i.e. the movement of molecules across the cell membrane) involves homeostasis (i.e. balance in the cell). Notice that the movement of molecules goes from a high concentration to a low concentration here, this is considered passive transport. Active transport would be going from low to high.

Which biomolecule is involved during "facilitated diffusion" on the right?

a)

Carbohydrates

b)

Proteins

c)

Lipids

d)

Nucleic Acids

10.

Which biomolecule would you choose to eat if you needed lots of energy (like preparing for a marathon)?

a)

Carbohydrates

b)

Proteins

c)

Lipids (fats)

d)

Nucleic Acids

11.

Which biomolecule would you consume if you were trying to build muscle by lifting weights?

a)

Carbohydrates

b)

Proteins

c)

Lipids (fats)

d)

Nucleic Acids

12.

Which biomolecule stores energy for times that it is needed for later.

a)

Carbohydrates

b)

Proteins

c)

Lipids (fats)

d)

Nucleic Acids

13.

Which biomolecule stores genetic information (genes, DNA, RNA)?

a)

Carbohydrates

b)

Proteins

c)

Lipids (fats)

d)

Nucleic Acids

14.

Passive transport involves movement of molecules from an area of high concentration to an area of low concentration (like air freshener in an aerosol can when sprayed).

Select the answers below that apply to passive transport (there is more than one and less than 4).

a)

A carrier protein with molecules going from a high concentration to a low concentration (with the concentration gradient).

b)

Water flowing into a cell via osmosis

c)

Molecules being pumped against the concentration gradient with the use of ATP

d)

Molecules moving through the phospholipid bilayer from high to low (with the concentration gradient).

15.

Which of the following involves active transport? (more than 1 answer less than 3)

a)

ATP Required

b)

Osmosis

c)

A carrier protein moving molecules from high to low

d)

Exocytosis (removing molecules from the cell- using energy)

16.

I say "energy" you say:

a)

Carbohydrate

b)

Protein

c)

Lipid

d)

Nucleic Acid

17.

The product of photosynthesis that is used for "energy" in cellular respiration is ______.

a)

Carbon dioxide

b)

Oxygen

c)

Glucose

d)

Water

18.

The product of photosynthesis that is used for "energy" in cellular respiration is ______. Which biomolecule is this?

a)

Carbohydrate

b)

Protein

c)

Lipid (fat)

d)

Nucleic Acid

19.

The formula for photosynthesis is:

Carbon dioxide + Water = Glucose + Oxygen

or

6CO2 + 6H2O = C6H12O6 + 6O2

What are the reactants of photosynthesis?

a)

Glucose and Oxygen

b)

ATP and Water

c)

Oxygen and Carbon Dioxide

d)

Carbon dioxide and Water

20.

The formula for photosynthesis is:

Carbon dioxide + Water = Glucose + Oxygen

or

6CO2 + 6H2O = C6H12O6 + 6O2

What are the products of photosynthesis?

a)

Glucose and Oxygen

b)

ATP and Water

c)

Oxygen and Carbon Dioxide

d)

Carbon dioxide and Water

21.

The formula for photosynthesis is:

Carbon dioxide + Water = Glucose + Oxygen

or

6CO2 + 6H2O = C6H12O6 + 6O2

What drives the process of photosynthesis?

a)

Sunlight Energy

b)

Glucose

c)

Fructose

d)

Mrs. Daisy

22.

What are the missing molecules?

a)

Glucose & Oxygen

b)

Hydrogen & Nitrogen

c)

Oxygen & CO2

d)

Water & CO2

23.

What are the missing molecules?

a)

Glucose & Oxygen

b)

Hydrogen & Nitrogen

c)

Oxygen & CO2

d)

Water & CO2

24.

The _______ of photosynthesis are the products of cellular respiration.

a)

Products

b)

Reactants

c)

Catalysts

d)

Cofactors

25.

The _______ of cellular respiration are the products of photosynthesis.

a)

Products

b)

Reactants

c)

Catalysts

d)

Cofactors

26.

The _______ of cellular respiration are the reactants of photosynthesis.

a)

Products

b)

Reactants

c)

Catalysts

d)

Cofactors

27.

The _______ of photosynthesis are the reactants of cellular respiration.

a)

Products

b)

Cofactors

c)

Catalysts

d)

Reactants

28.

Finish the equation below: note: (C6H12O6 = Glucose)

Photosynthesis:

_____ + ____ = C6H12O6 + 6O2

a)

C6H12O6 + 6O2

b)

6CO2 + 6O2

c)

6H20 + 6O2

d)

6CO2 + 6H2O

29.

Finish the equation below: note: (C6H12O6 = Glucose)

Photosynthesis:

6CO2 + 6H2O = _____ + ____

a)

C6H12O6 + 6O2

b)

6CO2 + 6O2

c)

6H20 + 6O2

d)

6CO2 + 6H2O

30.

Finish the equation below: note: (C6H12O6 = Glucose)

Cellular Respiration:

(Think about what gas you exhale)

C6H12O6 + 6O2 = _____ + ____

a)

C6H12O6 + 6O2

b)

6CO2 + 6O2

c)

6H20 + 6O2

d)

6CO2 + 6H2O

31.

Finish the equation below: note: (C6H12O6 = Glucose)

Cellular Respiration:

_____ + ____ = CO2 + 6H2O

a)

C6H12O6 + 6O2

b)

6CO2 + 6O2

c)

6H20 + 6O2

d)

6CO2 + 6H2O

32.

The main purpose of the cell membrane is to _______.

a)

Maintain homeostasis

b)

Produce ATP Energy

c)

Provide rigidity to the cell

d)

control cellular respiration

33.

Which structure in the cell is responsible for maintaining homeostasis?

a)

Mitochondria

b)

Nucleus

c)

Chloroplasts

d)

Cell membrane

34.

Two words to describe homeostasis?

a)

Balance

b)

Cool

c)

Aight

d)

Stability

35.

What does "semipermeable" mean?

a)

A membrane that will not allow anything to come in or go out

b)

Weather patterns off the coast of Alaska

c)

A porous membrane that allows certain things to come in or out

d)

Impermeable

36.

Nucleic acids are biomolecules that store genetic material such as DNA and RNA.

What structure do viruses and bacteria (prokaryotes) have in common?

a)

Genetic material (nucleic acids)

b)

Ribosomes

c)

Cell membrane

d)

Organelles

37.

Bacteria are:

a)

prokaryotes

b)

eukaryotes

c)

mekaryotes

d)

themkaryotes

38.

Prokaryotes are:

a)

Animals

b)

Plants

c)

Bacteria

d)

Protists

39.

Prokaryotes are bacteria and bacteria are:

a)

Theykaryotes

b)

Eukaryotes

c)

Hekariedotes

d)

Prokaryotes

40.

Nucleic acids are: (pick 3)

a)

DNA

b)

Genetic material

c)

RNA

d)

USDA

41.

What is happening here?

a)

Endocytosis: transporting proteins into the cell

b)

Endocytosis: transporting proteins outside the cell

c)

Exocytosis: transporting proteins outside the cell

d)

Exocytosis: transporting proteins inside the cell

42.

Which process produces oxygen?

a)

Photosynthesis

b)

Cellular Respiration

c)

Exocytosis

d)

Endocytosis

43.

Which process uses oxygen as a reactant?

a)

Photosynthesis

b)

Cellular Respiration

c)

Exocytosis

d)

Endocytosis

44.

Which process uses chemical energy (a chemical to fuel the process) and what is that chemical?

a)

Photosynthesis, Glucose

b)

Photosynthesis, Light

c)

Cellular Respiration, Glucose

d)

Cellular Respiration, Light

45.

The average person has about 9 grams of salt to 35 oz of water in their cells.

If a person was given an IV that was pure water, the IV would be _________ to the person's cells.

a)

hypertonic

b)

hypotonic

c)

isotonic

d)

supersonic

46.

Another name for the "cell membrane" is:

a)

Plasma Membrane

b)

Tubular Membrane

c)

Nictitating Membrane

d)

Nuclear Membrane

47.

Another name for the "plasma membrane" is:

a)

Cell Membrane

b)

Tubular Membrane

c)

Nictitating Membrane

d)

Nuclear Membrane

48.

Note: "Genome" is genetic material (in viruses DNA or RNA, not both)

Select structures below that are in viruses.

a)

Envelope

b)

Genome (DNA or RNA)

c)

Protein Spikes (projections)

d)

Nucleus