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Unit 3 Reviewer

Total questions: 50

Worksheet time: 20mins

Name
Class
Date
1.

Which statement was NOT included in cell theory?

a)

All living things are composed of cells.

b)

Living cells come only from other living cells.

c)

Each cell contains a cell membrane, cytoplasm, nucleus, mitochondria, and endoplasmic reticulum.

d)

Cells are the smallest structure of living things that can perform the functions necessary for life.

2.

Which instrument is credited for helping scientists develop cell theory?

a)
b)
c)
d)
3.

This early cell theory scientist looked in a microscope and discovered "animalcules" in the gunk from his teeth and pond water.

a)

Schleiden

b)

Leeuwenhoek

c)

Hooke

d)

Schwann

4.

Who discovered and named cells while looking at cork?

a)

Robert Hooke

b)

Matthais Schleiden

c)

Rudolf Virchow

5.

What was Schleiden convinced of?

a)

All plants are made of cells

b)

All animals are made of cells

c)

All cells are prokaryotic

6.

Who noted that all animals are made of cells and helped write the first two parts of cell theory?

a)

Rudolf Virchow

b)

Anton van Leeuwenhoek

c)

Theodor Schwann

d)

Robert Hooke

7.

Who discovered that all cells come from other living cells and had research that lead to the last major principle of cell theory?

a)

Matthias Schleiden

b)

Theodore Schwann

c)

Robert Hooke

d)

Rudolf Virchow

8.

What is the basic structural and functional unit of all living things?

a)

atom

b)

cell

c)

bacteria

d)

animalcules

9.

Thick, clear, gel-like fluid that fills the region between the cell membrane and the nucleus

a)

Mitochondria

b)

Cytoplasm

c)

Chloroplast

d)

Nucleus

10.

The organelle that is the control center of the cell and contains nearly all of the cell’s DNA:

a)

Ribosome

b)

Centriole

c)

Nucleus

d)

Rough Endoplasmic Reticulum

11.

The organelle that assembles proteins in the cytoplasm:

a)

Ribosome

b)

Nucleus

c)

Mitochondrion

d)

Rough Endoplasmic Reticulum

12.

The organelle which forms a maze of passageways in which proteins and other materials are carried from one part of the cell to another.

a)

Endoplasmic Reticulum

b)

Golgi Apparatus

c)

Vacuoles & vesicles

d)

Nucleus

13.

The organelle that modifies, sorts, and packages proteins and other materials from the ER for storage in the cell or release from the cell:

a)

Endoplasmic Reticulum

b)

Golgi Apparatus

c)

Vacuoles and Vesicles

d)

Ribosome

14.

The organelles that store materials like water, salts, proteins, and carbohydrates, and the other one that stores and moves materials between cell organelles, as well as to and from the cell surface:

a)

Cytoskeleton

b)

Lysosomes

c)

Chloroplast

d)

Vacuoles and Vesicles

15.

It contains digestives enzymes which breaks down waste or worn-out cell parts.

a)

Lysosome

b)

Cytoskeleton

c)

Golgi Apparatus

d)

Chloroplast

16.

The organelle that captures the energy from sunlight and converts it into chemical energy stored in food during photosynthesis:

a)

Chloroplast

b)

Mitochondrion

c)

Cell Wall

d)

Nucleus

17.

The organelle that converts the chemical energy stored in food molecules into compounds that are more convenient for the cell to use:

a)

Cell Wall

b)

Cell Membrane

c)

Mitochondrion

d)

Centrioles

18.

The organelle that acts as a strong supportive wall that shapes and protects the cell:

a)

Cell Membrane

b)

Cell Wall

c)

Cytoskeleton

d)

Centrioles

19.

The organelle that regulates materials entering and leaving the cell, as well as supporting and protecting it:

a)

Cell Wall

b)

Cell Membrane

c)

Centrioles

d)

Cytoskeleton

20.

The organelle that organizes cell division:

a)

Nucleus

b)

Centrioles

c)

Cytoskeleton

d)

Ribosome

21.
A group of organs that work together to perform the same function is called _____________?
a)
cells
b)
tissues 
c)
organ system
d)
organs
22.
Which of the following is the correct order of organization in living things from most basic (simple) to most complex?
a)
a.  Organism, cell, tissue, organ, organ system
b)
a.  Organ system, organ, tissue, cell, organism
c)
a.  Cell, tissue, organ, organ system, organism
d)
a.  Cell, organ, tissue, organ, organism, organ system
23.
Anything that can perform life processes by itself is a/an
a)
cell
b)
organ
c)
organism
d)
organ system
24.
A group of similar cells that come together to perform a specific function is a/an
a)
organ
b)
organism
c)
organ system
d)
tissue
25.
When a group of organs work together to perform a particular function they create a/an
a)
organ system
b)
organism
c)
tissue
d)
organ
26.
The smallest level of organization of life in an organism
a)
tissue
b)
cell
c)
organ
d)
organ system
27.
Which is an example of an organism?
a)
a beetle
b)
a lake
c)
a rock
d)
a shell
28.
What is the difference between a cell and a tissue?
a)
cell is basic unit of life; tissue is group of cells that work as one
b)
cell is group of tissues; tissue is basic unit of life
c)
cell is basic unit of life; tissue is groups of different cells
d)
cell is group of organs; tissue is group of different cells
29.
This is a example of........ 
a)
organ system
b)
cells
c)
organ
d)
tissue
30.
This is a example of ........
a)
cell
b)
tissue
c)
organ 
d)
organ system
31.
This is a example of ........
a)
organ
b)
organ system
c)
tissue
d)
cell
32.

Which diagram represents the most complex level of organization?

a)
b)
c)
d)
33.

Which statement best explains the relationship between structure and function in an organism?

a)

Structure and function refer to the different tissue types within an organism.

b)

Structure and function refer to the jobs of tissues, organs, and organ systems.

c)

Structure and function refer to the locations of tissues, organs, and organ systems.

d)

Structure and function refer to the locations and jobs of different tissues, organs, and organ systems working together.

34.

The root and shoot systems together in plants form which level of organization?

a)

cells

b)

tissue

c)

organ system

d)

organism

35.

What happens in interphase (choose 2)

a)

Cell grows and developes

b)

DNA lines up in middle

c)

DNA pulls apart

d)

DNA replicates

36.

What happens in Prophase (choose 3)

a)

DNA condenses (packs up)

b)

Spindle fibers appear

c)

Daughter cells separate

d)

DNA lines up in middle

e)

Nuclear envelope (membrane) dissolves

37.

What happens in metaphase? (choose 1)

a)

DNA splits apart

b)

Cell divides

c)

DNA lines up in middle

d)

New nuclei form

38.

What happens in anaphase? (choose 1)

a)

DNA replicates

b)

Chromatids pull apart to opposite sides

c)

DNA lines up in middle

d)

Cell divides

39.

What happens in telophase? (choose 2)

a)

Two new nuclei form

b)

Daughter cells separate into two cells

c)

DNA pulls apart to opposite sides

d)

cytoplasm begins to pinch apart

40.

What happens in cytokinesis? (choose 1)

a)

Daughter cells separate completely as cytoplasm is split into two

b)

Nuclear envelope dissolves

c)

DNA separates apart to opposite sides of the cell

d)

DNA replicates

41.

The end result of mitosis is

a)

4 Identical Cells are produced

b)

4 genetically different cells are produced

c)

2 identical cells are produced

d)

2 genetically different cells are produced

42.

The end result of meiosis is...

a)

4 identical cells

b)

4 genetically different cells

c)

2 identical cells

d)

2 genetically different cells

43.

How many chromosomes do the daughter cells have in mitosis?

a)

23

b)

46

c)

2

d)

4

44.

How many chromosomes do the daughter cells have in meiosis?

a)

23

b)

46

c)

2

d)

4

45.

If an organism reproduces asexually, its offspring will most likely be...

a)

genetically identical to the parent

b)

genetically different from each other

c)

produced from specialized cells known as gametes

d)

A mutant

46.

What is the correct order for the phases of mitosis?

a)

Prophase, Anaphase, Telophase, Metaphase

b)

Anaphase, Telophase, Prophase, Metaphase

c)

Telophase, Anaphase, Prophase, Metaphase

d)

Prophase,

Metaphase, Anaphase, Telophase

47.

Which phase does the cell grow and develop?

a)

Prophase

b)

Interphase

c)

Cytokinesis

d)

Metaphase

48.

Timmy fell off his skateboard and scraped his knee. Which cell process is going to be used to heal the wound?

a)

Mitosis

b)

Meiosis

c)

The wound would not heal

d)

Cell diffusion

49.
DNA replication results in two DNA molecules,
a)
each one with two original strands
b)
each one with two new strands
c)
each one with one new strand and one original strand
d)
one with two new strands and the other with two original strands
50.
In what phase of the cell cycle does DNA replication take place?
a)
G1
b)
S
c)
G2
d)
M

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