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Unit 2 Assessment Review

Total questions: 76

Worksheet time: 3hrs 40mins

Name
Class
Date
1.

The amount of molecules in a given space.

a)

diffusion

b)

concentration

c)

permeable

d)

active transport

2.
The movement of molecules from an area of high concentration to an area of low concentration.
a)
Osmosis
b)
Respiration
c)
Diffusion
d)
Active Transport
3.
Cells use energy to move materials across a membrane (low to high concentration).
a)
Active transport
b)
Passive transport
c)
Diffusion
d)
Osmosis
4.
Cells transport material across a cell membrane without using energy (high to low concentration)
a)
Passive transport
b)
Concentration
c)
Endocytosis
d)
Active Transport
5.
Movement of particles from high to low concentration. 
a)
Passive Transport
b)
Active Transport
6.
Osmosis is a form of ______________. 
a)
Passive Transport
b)
Active Transport
7.
The diffusion of WATER across a semi-permeable membrane is
a)
osmosis
b)
diffusion
c)
endocytosis
d)
exocytosis
8.
a)
Passive Transport
b)
Active Transport
9.
Active transport requires
a)
energy
b)
the nucleus
c)
chloroplasts
d)
lysosomes
10.
How does a cell maintain homeostasis?
a)
Regulates what enters and leaves the cell
b)
Flexibility
c)
Protective barrier
d)
Structure and support
11.
Another term for equilibrium is...
a)
Not enough
b)
Too little
c)
Homeostasis
d)
Too much
12.
The cell membrane is selectively permeable, which means...
a)
All materials can enter and leave the cell
b)
Certain things can enter while others cannot
c)
The cell manually sorts through all materials
d)
Only certain cells can interact with the cell.
13.

A molecule that diffuses with the concentration gradient goes from an area of ______ concentration into an area of ______ concentration.

a)

high, low

b)

low, high

c)

passive, active

d)

active, passive

14.
The movement of molecules against a concentration gradient
a)
simple diffusion
b)
facilitated diffusion
c)
active transport
d)
osmosis
15.
Active transport requires ______, moves materials from __________________, and goes _______ the concentration gradient.
a)
No energy, low to high, against
b)
ATP, high to low, with
c)
ATP, low to high, with
d)
ATP, low to high, against
16.
Controlling what goes into or out of the cell without energy is called
a)
active transport
b)
endocytosis
c)
passive transport
d)
exocytosis
17.
Movement of materials from high to low concentration through a protein channel. 
a)
Passive Transport
b)
Active Transport
18.

Movement of molecules that requires ATP

a)

Passive Transport

b)

Active Transport

19.
What is it called when molecules move across the cell membrane from an area of high concentration to an area of low concentration through a carrier protein?
a)
Diffusion
b)
Osmosis
c)
Active Transport
d)
Facilitated Diffusion
20.
a)

Simple diffusion

b)

Facilitated diffusion

c)

Active transport

d)

Osmosis

21.
a)

Osmosis

b)

Active transport

c)

simple diffusion

d)

Facilitated diffusion

22.
a)

Passage of molecules through a cell membrane from high to low concentration using a carrier protein

b)

Movement of molecules against a concentration gradient, using energy

c)

Transport of water molecules

d)

Molecules moving from low to high concentration of molecules using a carrier protein

23.

What is the main function of this macromolecule?

a)

Insolation, and components of the cell membrane

b)

quick energy

c)

structure muscles and growth.

d)

storage of genetic information

24.

What is the name of this macromolecule?

a)

protein

b)

carbohydrate

c)

lipid

d)

nucleic acid

25.

What is the monomer for a lipid?

a)

monosaccharide

b)

glycerol and fatty acid

c)

amino acids

d)

nucleic acid

26.

Which cell do you think would be most ideal for maintaining homeostasis?

a)

The smallest cell because it would be more efficient to remove and obtains molecules

b)

The largest one because it would be able to obtain more food and store for longer periods of time.

c)

The largest one because it has more room to grow

d)

The medium cell because it would be more efficient to remove and obtains molecules

27.

A cell with a 10% salt solution; is placed in distilled water with 0% starch concentration. Water can travel across a semipermeable membrane but starch cannot. Would you expect to see after an hour?

a)

The solution inside the cell is hypotonic and moves into the cell.

b)

The solution inside the cell is hypertonic so the water moves into the cell.

c)

The solution inside the cell is hypotonic and moves out of the cell.

d)

The solution inside the cell is isotonic so the water doesn't move.

28.

What type of solution was this plant placed in?

a)

hypotonic

b)

isotonic

c)

hypertonic

29.

What type of solution was this plant placed in?

a)

hypertonic

b)

isotonic

c)

hypotonic

30.

This a picture of an animal and plant cell placed in a solution. Describe the solution?

a)

Isotonic

b)

Hypotonic

c)

Hypertonic

31.

This a picture of an animal and plant cell placed in a solution. Describe the solution?

a)

Isotonic

b)

Hypotonic

c)

Hypertonic

32.

This picture describes the movement of molecules across the cell membrane. Choose 2 answers that correctly describes the movement of the molecules.

a)

Molecules are moving up the concentration gradient.

b)

Molecules are moving from an area of low concentration to area of high concentration .

c)

Molecules are moving down the concentration gradient.

d)

Molecules are moving from an area of high concentration to area of low concentration.

33.

This picture is a representation of what type of transport?

a)

Osmosis because it is diffusing through a protein from an area of high concentration to low concentration.

b)

Facilitated diffusion because it is diffusing through a protein from an area of high concentration to low concentration.

c)

Facilitated diffusion because it is diffusing through a protein from an area of low concentration to high concentration.

d)

Simple diffusion because it is diffusing through a protein from an area of high concentration to low concentration.

34.

Nemo and other ocean dwelling fish cannot survive in freshwater because......

a)

freshwater is hypertonic to Nemo's cells and will result in water leaving them causing the cells to shrink

b)

freshwater is hypotonic to Nemo's cells and will result in water leaving them causing the cells to shrink

c)

freshwater is hypertonic to Nemo's cells and will result in water entering them causing the cells to swell and burst

d)

freshwater is hypotonic to Nemo's cells and will result in water enter them causing the cells to swell and burst

35.
Describes the arrangement of the cell membrane as bendable and made of many parts. 
a)
The Fluid Mosaic Model 
b)
The Major Mobility Model 
c)
The Crazy Cell Model
d)
The Maze Model
36.

The red arrow is pointing at the __________ and the green arrow is pointing at the ___________.

a)

Products; Reactants

b)

Beginning; End

c)

Reactants; Products

d)

Left; Right

37.

The red arrow is pointing at the __________ and the green arrow is pointing at the ___________.

a)

Products; Reactants

b)

Beginning; End

c)

Reactants; Products

d)

Left; Right

38.

Match the process with the correct organelle.

a)

Photosynthesis occurs in the chloroplast; Respiration occurs in the chloroplast

b)

Photosynthesis occurs in the mitochondria; Respiration occurs in the ribosome

c)

Photosynthesis occurs in the chloroplast; Respiration occurs in the mitochondria

d)

Photosynthesis occurs in the ribosome; Respiration occurs in the mitochondria

39.

Which of the following are the reactants of photosynthesis?

a)

O2 + CO2 + Sunlight

b)

H2O + Glucose + Sunlight

c)

ATP + CO2

d)

H2O + CO2 + Sunlight

40.

Which of the following are the products of photosynthesis?

a)

O2 + Glucose

b)

Glucose + Sunlight

c)

Glucose + CO2

d)

CO2 + Sunlight

41.

Which of the following are the reactants of respiration?

a)

O2 + CO2

b)

H2O + Glucose

c)

Glucose + O2

d)

H2O + CO2 + Sunlight

42.

Which of the following are the products of respiration?

a)

O2 + Glucose + ATP

b)

Glucose + Sunlight + CO2

c)

CO2 + H2O + ATP

d)

CO2 + H2O + Sunlight

43.

Which organisms normally perform photosynthesis?

a)

Heterotrophs

b)

Autotrophs

c)

All organisms

d)

Green things

44.

How are photosynthesis and respiration related?

a)

ATP is a product of both reactions

b)

The same products are made in both reactions

c)

The two processes occur in the same organelle

d)

The products of one are the reactants of the other

45.

Which process is shown in the picture? Where does it occur?

a)

Photosynthesis; Mitochondria

b)

Photosynthesis; Chloroplast

c)

Respiration; Mitochondria

d)

Respiration; Chloroplast

46.

Which process is shown in the picture? Where does it occur?

a)

Photosynthesis; Mitochondria

b)

Photosynthesis; Chloroplast

c)

Respiration; Mitochondria

d)

Respiration; Chloroplast

47.

Which process is shown in the picture? Where does it occur?

a)

Photosynthesis; Mitochondria

b)

Photosynthesis; Chloroplast

c)

Respiration; Mitochondria

d)

Respiration; Chloroplast

48.

Which equation represents Cellular Respiration

a)

b)

c)

d)

49.

Which of the following is a reactant Cellular Respiration?

a)

Oxygen

b)

Carbon Dioxide

c)

Water

d)

Sunlight

50.

Which of the following is a reactant Cellular Respiration?

a)

Sunlight

b)

CO2

c)

H20

d)

C6 H12 O6

51.

Which of the following is the symbol for Glucose?

a)

O2

b)

CO2

c)

H20

d)

C6 H12 O6

52.

Cellular Respiration is an aerobic process which means it requires Oxygen.

a)

True

b)

False

53.

What organelle does cellular respiration take place?

a)

Chloroplast

b)

Cell Wall

c)

Mitochondria

d)

Central Vacuole

54.

What type of organism makes it's own food?

a)

Autotroph

b)

Heterotroph

c)

Consumer

d)

Omnivore

55.

What type of organism has to consume energy?

a)

Producers

b)

Plant

c)

Autotroph

d)

Heterotroph

56.

Which kind of organism undergoes Cellular Respiration?

a)

Autotroph

b)

Heterotroph

c)

Plant

d)

Producers

57.

What is the best definition for cellular respiration?

a)

A process in which glucose is broken down to be used for energy.

b)

A process in which Carbon Dioxide is used to break down Glucose.

c)

The process in which animals make their own energy.

58.

Click on the two products of Cellular Respiration?

a)

H2O

b)

O2

c)

CO2

d)

C6 H12 O6

59.

According to the graph, what happens when the temperature increases?

a)

respiration rate decreases

b)

respiration rate increases

c)

respiration rate levels off

d)

respiration rate increases then decreases

60.

Based of the information in the graph, what inference can be made?

a)

There were 10 measurements taken.

b)

Average respiration rate is measured in beats per minute.

c)

As the respiration rate increases the amount of oxygen produced increases.

d)

As the temperature increases more carbon dioxide is produced.

61.

What do photosynthesis and cellular respiration have in common?

a)

They both require Sun light.

b)

Both are carried on by heterotrophs

c)

They both create energy for an organism to use.

d)

They both transform energy for an organism to use.

62.

Enzymes are an example of

a)

Lipids

b)

Carbohydrate

c)

Protein

d)

Nucleic Acid

63.
What is the purpose  of an enzyme?
a)
give permission for the reaction
b)
raise activation energy
c)
speed up reactions
d)
control how many reactions occur
64.
What 3 letters do enzymes typically end in?
a)
-ose
b)
-ase
c)
-ese
d)
-tic
65.
In the diagram, what is letter A? 
a)
product
b)
substrate
c)
enzyme-substrate complex
d)
active site
66.
Letter D...
a)
active site
b)
enzyme
c)
substrate
d)
products
67.
Letter B...
a)
active site
b)
enzyme
c)
substrate
d)
products
68.
Letter C...
a)
active site
b)
enzymes
c)
substrate
d)
products
69.
Letter E...
a)
active site
b)
enzyme
c)
substrate
d)
products
70.

In a chemical reaction, ________ are what you have at the end

a)

Products

b)

Molecules

c)

Reactants

d)

Substances

71.
An enzyme speeds up a reaction by
a)
lowering the activation energy.
b)
raising the activation energy.
c)
releasing energy.
d)
absorbing energy.
72.
Based on the graph, what is the optimal temperature for this enzyme? 
a)
15oC
b)
40oC
c)
30oC
d)
35oC
73.
What happens when enzymes are heated to a high temperature?
a)
The enzymes die.
b)
The shapes of the enzyme are altered denature
c)
The enzymes' amino acid sequence changes.
d)
The enzymes remain the same
74.
What is a substance called if it speeds up a chemical reaction?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
75.
Every enzyme has a optimal temperature and pH. True or False?
a)
True 
b)
False
76.
Which of the following conclusions can be drawn from this graph?
a)
The optimum pH of the enzyme is 6.6.
b)
The optimum pH of the enzyme is 5.8
c)
The enzyme’s activity increases as pH increases 5.0 to 9.0
d)
The enzyme’s activity is greater around pH of 8.0 .

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