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STEM 105 TEST BREAKER

Total questions: 48

Worksheet time: 39mins

Name
Class
Date
1.
The summary at the end of an experiment that explains the results is... 
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
2.
A series of steps used by scientists to solve a problem or answer a question. 
a)
scientific method
b)
recipe
c)
data collection
d)
metric system
3.

The variable that is being measured or observed is called the _______________. Hint: this is the variable that is the result or effect

a)

independent variable

b)

dependent variable

c)

control variable

4.
Using the Law of Syllogism, which of the following completes the statement to form a valid conclusion?
If it is snowing heavily, then school will be canceled.
If school is canceled, the big test will not be given today.
It is snowing heavily, then...
a)
Look out for the snowplows while driving to school.
b)
The big test will not be given today.
c)
The roads will be hard to drive on.
d)
You should call the school to see if school is canceled.
5.
What conclusion can be drawn from the following statements?
If the stereo is on, then the volume is loud.  
If the volume of the stereo is loud, then the neighbors will complain.
a)
If the neighbors complain, then the stereo will be loud.
b)
If the stereo is on, then the neighbors will complain.
c)
If the stereo is volume is loud, then the stereo is on.
d)
If the stereo is on, then the volume is loud.
6.
What conclusion can be drawn from the following statements?
If the sun is shining, then it is a beautiful day.  
If it is a beautiful day, then we will have a picnic.
a)
If the sun is shining, then it is a beautiful day.
b)
If it is a beautiful day, then the sun is shining.
c)
If the sun is shining, then we will go on a picnic.
d)
If we go on a picnic, then the sun is shining.
7.
What can be concluded from the following statements?  
If Mike rakes leaves, then he bags them .
If Mike bags the leaves he then mows the lawn.
a)
If Mike mows the lawn then he bags the leaves.
b)
If Mike bags the leaves, he rakes.
c)
If Mike does not mow the lawn, then he did not rake the leaves.
d)
If Mike mows the lawn then he bags the leaves.
8.
__________________________ uses specific observations to make generalizations.
a)
Deductive reasoning
b)
Inductive reasoning
9.
__________________________ uses generalizations to make specific conclusions.
a)
Deductive Reasoning
b)
Inductive Reasoning
10.
Which of the following statements is not part of the cell theory?
a)
Cells are the basic unit of structure and function in all living things.
b)
All cells are produced from other cells.
c)
Only animal cells are composed of cells.
d)
All living things are composed of cells.
11.
Which of the following scientists concluded that all animals are made of cells?
a)
Rudolf Virchow
b)
Matthais Schleiden
c)
Robert Hooke
d)
Theodor Schwann
12.
Which of the following scientists was the first to observe bacteria under a microscope?
a)
Anton van Leuwenhoek
b)
Matthais Schleiden
c)
Robert Hooke
d)
Theodor Schwann
13.

When cells are damaged, new cells are created by cell a process called cell division. How does the cell theory support this fact?

a)

It states that all cells have a nucleus which divides.

b)

It states that all living things are made up of one or more cells.

c)

It states that cells come from previously existing cells.

d)

It states that the basic units of structure and function are cells.

14.
All plants are made of cells.  This was discovered by....
a)
Matthias Schleiden
b)
Rudolf Virchow
c)
Robert Hooke
d)
Aristotle
15.

What piece is the platform that supports the microscope slide?

a)

Base

b)

Diaphragm

c)

Stage Clips

d)

Stage

16.

What piece controls the amount of light that enters the microscope ?

a)

Aperture

b)

Diaphragm

c)

Light Source

d)

Arm

17.
What is part 1?
a)

eye piece/ocular lens

b)
body tube
c)
arm
d)
coarse adjust
18.
What part is 3?
a)
eye piece
b)
base
c)
arm 
d)

coarse focus

19.
What part is 5?
a)

coarse focus

b)

fine focus

c)
diaphragm
d)
stage
20.

Moves stage up and down for focusing; locates the specimen

a)

Fine Focus Knob

b)

Large Focus Knob

c)

Course Focus Knob

d)

Small Focus Knob

21.
Who discovered that cells come from preexisting cells and whose research lead to the major principles of cell theory?
a)
Matthias Schleiden
b)
Robert Hooke
c)
Zacharias Janssen
d)
Rudolf Virchow
22.

He invented the very first compound microscope.

a)

Zacharias Jansen

b)

Robert Hooke

c)

Antoine van Leeuwnhoek

d)

Robert Brown

23.

He is the one who coined the term "cell" as he observed the thin slice of cork under the microscope.

a)

Zacharias Jansen

b)

Robert Hooke

c)

Antoine van Leeuwnhoek

d)

Robert Brown

24.
Microscopic single-cells that do not have a nucleus or other membrane-bound organelles. 
a)
DNA
b)
RNA
c)
Eukaryotes
d)
Prokaryotes
25.
Which organelle is the protein factory? 
a)
Ribosomes
b)

Mitochondria

c)
Centriole
d)
Lysosomes
26.
Genetic information is stored in the nucleus of all single or multicellular cells called
a)
Eukaryotes
b)
Prokaryotes
c)
Organelles
d)
Cytoplasm
27.

Prokaryotes are

a)

bacteria

b)

fungi

c)

plants

d)

animals

28.

What distinguishes a plant cell from an animal cell? (How do you tell them apart) Hint: There's 3 ways (Check all 3)

a)

Central Vacuole

b)

Mitochondria

c)

Cell Wall

d)

Ribosomes

e)

Chloroplasts

29.
Contains digestive enzymes to break down worn out parts of the cell.
a)
vacuole
b)
lysosome
c)
ribosome
d)
nucleolus
30.

Which organelle receives proteins and materials from the endoplasmic reticulum, packages them, and distributes them?

a)

lysosomes

b)

golgi apparatus

c)

ribosomes

d)

endoplasmic reticulum

31.

Which organelle uses sugar to produce energy for the cell?

a)

Nucleus

b)

Ribosome

c)

Mitochondrion

d)

Chloroplast

32.

Which of the objects in the picture represent Eukaryotic Cells?

a)

I, II, and III,

b)

IV only

c)

II and V

d)

I and III

33.

Which shows the levels of organization in the correct order from Smallest level to largest level?

a)

Atom < Molecule < Biomolecule < Organelle < Cell

b)

Cell < Organelle < Biomolecule < Molecule < Atom

c)

Molecule < Atom < Biomolecule < Organelle < Cell

d)

Atom < Molecule < Biomolecule < Cell < Organelle

34.

What type of epithelium?

a)

Relaxed transitional epithelium.

b)

Stratified columnar epithelium.

c)

Simple columnar epithelium.

d)

Distended transitional epithelium.

35.

What type of epithelium?

a)

Stratified columnar epithelium.

b)

Stratified cuboidal epithelium.

c)

Simple cuboidal epithelium.

d)

Simple columnar epithelium.

36.

What type of epithelium?

a)

Non-Ciliated pseudostratified columnar epithelium.

b)

Ciliated pseudostratified columnar epithelium.

c)

Stratified columnar epithelium.

d)

Simple columnar epithelium.

37.

What type of epithelium?

a)

Simple squamous epithelium.

b)

Simple cuboidal epithelium.

c)

Stratified squamous epithelium.

d)

Stratified cuboidal epithelium.

38.

What type of epithelium?

a)

Non-Ciliated pseudostratified columnar epithelium.

b)

Ciliated pseudostratified columnar epithelium.

c)

Simple squamous epithelium

d)

Stratified squamous epithelium.

39.

What type of epithelium?

a)

Simple columnar epithelium.

b)

Simple squamous epithelium.

c)

Stratified squamous epithelium

d)

Stratified columnar epithelium.

40.

What type of epithelium?

a)

Stratified columnar.

b)

Simple cuboidal.

c)

Simple columnar.

d)

Stratified cuboidal.

41.
Which of the following is not one of the four tissue types? 
a)
Blood
b)
Connective
c)
Epithelial
d)
Nervous 
42.
Where is epithelial tissue found?
a)
glands
b)
covering body surfaces
c)
lines organs
d)
all of the above
43.

How are epithelial tissues classified?

a)

By shape.

b)

By number of cell layers.

c)

By number of cell layers and cell shape.

d)

By nuclei location.

44.

What is the function of glandular epithelium?

a)

absorption

b)

secretion

c)

production

d)

none of these

45.

The difference between endocrine and exocrine glands can best be described by which of the following?

a)

exocrine secretions are released into surrounding tissues and blood whereas endocrine secretions are discharged onto the surface of the skin or other epithelial surfaces

b)

endocrine secretions are released into the surrounding tissues and blood whereas exocrine secretions are discharged onto the surface of the skin or other epithelial surfaces

c)

exocrine secretions and endocrine secretions are both released directly into the blood at all times

d)

exocrine secretions and endocrine secretions are both released directly onto the surface of the skin at all times

46.

Where might you find this type of epithelium?

a)

stomach

b)

trachea

c)

small intestine

d)

lungs

47.

Which types of cells found in this epithelium produce mucus?

a)

goblet cells

b)

goblin cells

c)

neutrophils

d)

eosinophils

48.

Which of the following is NOT a main function of epithelial tissues?

a)

covering exposed surfaces

b)

lining internal passageways

c)

producing glandular secretions

d)

contracting to produce movement

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