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Unit 2 Test Review

Total questions: 36

Worksheet time: 21mins

Name
Class
Date
1.

If a molecule of water passed through the cell wall, which cell structure would it encounter next in order to enter the cell?

a)

Nucleus

b)

Cell Membrane

c)

Cell Wall

d)

Ribosome

2.

Which cellular structure in an animal cell helps maintain homeostasis by controlling the transportation of substances into and out of the cell?

a)

Flagella

b)

Nucleus

c)

Cell Membrane

d)

E.R.

3.

Which molecules form the bilayer of the cell membrane?

a)

Phospholipid Bilayer

b)

Nerves

c)

Proteins

d)

Cholesterol

4.

Which is a rigid structure that protects plant cells and helps them keep their shape?

a)

Cell Membrane

b)

Cell Wall

c)

Cytoskeleton

d)

Brain

5.

Which organelle contains chromosomes

a)

DNA

b)

RNA

c)

Nucleus

d)

Nucleous

6.

Scientists discover a fossilized cell. While analyzing the cell, they find an organelle that has a double membrane and contains genetic material. Which cell organelle have they most likely found?

a)

Skin

b)

Nucleus

c)

Protein

d)

Ribosome

7.

Which number synthesizes proteins?

a)

1

b)

2

c)

3

d)

4

8.

The more squiggly lines (surface area) increases what?

a)

Energy

b)

Power

c)

Love

d)

Sense

9.

Which organelles are most helpful in distinguishing between plant and animal cells?

a)

cell wall and cell membrane

b)

cell membrane and nucleus

c)

chloroplast and cell wall

d)

chloroplast and vacoule

10.

How are eukaryotic and prokaryotic cells similar?

a)

Both types of cells contain ribosomes.

b)

Both types of cells contain mitochondria.

c)

Both types of cells have linear DNA.

d)

Both types of cells contain a nucleus.

11.

Which cell types will most likely communicate using electrical charges?

a)

Stem cells

b)

Nerve Cells

c)

Brain Cells

d)

Lung Cells

12.

Some tissues can be successfully transplanted in humans to treat various medical conditions. Which tissue is transplanted specifically to replace human stem cells?

a)

Bone Marrow

b)

Skin

c)

Heart

d)

Cornea

13.

Which cell is undifferentiated? Hint: It can become any cell.

a)

Start Cell

b)

Stem Cell

c)

Smart Cell

d)

Nerve Cell

14.

An organism’s ability to maintain balance and stability within its vital internal systems is best referred to as what process?

a)

Homeostasis

b)

Mitosis

c)

Meiosis

d)

Photosynthesis

15.

Which will shrink?

a)

1

b)

2

c)

3

d)

4

16.

Which process moves an ion across a cell membrane against the concentration gradient? Hint: Low to High

a)

Active

b)

Passive

c)

Endocytosis

d)

Exocytosis

17.
a)

Hypertonic

b)

Isotonic

c)

Hypotonic

d)

None

18.

Which is a difference between active and passive transport?

a)

Active transport requires ATP, while passive transport does not.

b)

Cells only carry out active transport when they need to move, while passive transport occurs constantly.

c)

Eukaryotes are capable of active transport, while prokaryotes are capable of passive transport.

d)

Cells with mitochondria carry out active transport, while cells without mitochondria carry out passive transport.

19.

Which could be used to represent the plasma membrane’s job?

a)

a gatekeeper allowing cars in and out of a parking lot

b)

a nuclear power plant producing energy

c)

a high school principal running a school

d)

a farmer growing crops

20.

A freshwater plant is placed in a container of saltwater. What will most likely happen to the cells of the plant?

a)

They will shrink because salt will move out of them.

b)

They will shrink because water will move out of them.

c)

They will swell because salt will move into them.

d)

They will swell because water will move into them.

21.

Which will most likely happen if a freshwater plant cell is placed in a beaker of salt water for an hour?

a)

It will lose water and shrink.

b)

It will swell and burst.

c)

It will use energy and pump extra salt out of the cell.

d)

It will reach a state of equilibrium.

22.

What will happen to a cell that is placed in a hypotonic saline solution?

a)

Water will enter the cell causing it to swell.

b)

Water will exit the cell causing it to shrink.

c)

Salt will exit the cell causing it to shrink.

d)

Salt will enter the cell causing it to swell.

23.
a)
Passive Transport
b)
Active Transport
24.
a)
produces ribosomes
b)
contains genetic information
c)
stores food, water, wastes and other materials
25.
a)
contains DNA
b)
digests worn out cell parts
c)
produces energy
26.
Movement of particles from high to low concentration. 
a)
Passive Transport
b)
Active Transport
27.
a)
Passive Transport
b)
Active Transport
28.
This takes substances into a cell
a)
endocytosis
b)
exocytosis
c)
both
29.
Solutes move against the concentration gradient, therefore energy is needed
a)
Passive Transport
b)
Active Transport
30.
What is homeostasis?
a)
How the body releases oxygen
b)
Passive transportation 
c)
How the body regulates itself for survival
d)
Active transport
31.
What is the "powerhouse" of the cell? 
a)
Mitochondrion
b)
Vacuole
c)
Cytoplasm
d)
Nucleus
32.
What protects a cell and forms the shape of it?
a)
Cytoplasm
b)
Chloroplast
c)
Cell Wall
d)
Ribosomes
33.
What is the "Brain" of the cell?
a)
Mitochondrion
b)
Nucleus
c)
Vacuole
d)
Cell Membrane
34.
What part of the cell makes proteins?
a)
Mitochondrion
b)
Ribosomes
c)
Nucleus
d)
Vacuole
35.
What do we use to observe cells?
a)
Microscope
b)
Binoculars
c)
Telescope
d)
Magnifying Glass
36.
What organelles uses sunlight to make food?
a)
Nucleus
b)
Cell Membrane
c)
Chloroplast
d)
Mitochondrion