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Microscopes and Discovery of Cells

Total questions: 82

Worksheet time: 2hrs 49mins

Name
Class
Date
1.
Find the total magnification: 
Eyepiece = 10X 
Objective lens = 55X  
a)
10x
b)
55x
c)
65x
d)
550x
2.
The _______focuses the image under low power.
a)
revolving nosepiece
b)
fine adjustment knob
c)
coarse adjustment knob
d)
arm/neck
3.
The__________ sharpens the image under high magnification.
a)
the diaphragm
b)
fine adjustment knob
c)
coarse adjustment knob
d)
the ocular
4.
The lens you look through, closest to the top of the microscope, is called the
a)
objective lens
b)
ocular lens
c)
diaphragm
d)
light source
5.
What power do you start with when using a microscope?
a)
High power
b)
Medium power
c)
Low power
d)
Extra high power
6.
Never use this when on high power.
a)
Fine adjustment
b)
Diaphragm
c)
Course adjustment
d)
Stage clips
7.
Who was the person who used his microscope to observe a thin slice of cork, and concluded that the cork was made up of cells?
a)
Robert Hooke
b)
Bill Nye
c)
Matthias Schleiden
d)
Rudolf Virchow
8.

Which of the following scientists contributed to the cell theory?

a)

Virchow, Hooke, Leeuwenhoek

b)

Schleiden, Schwann, Virchow

c)

Hooke, Schwann, Leeuwenhoek

d)

Schwann, Schleiden, Hooke

9.
Which of the following scientists was the first to observe bacteria?
a)
Anton van Leuwenhoek
b)
Matthais Schleiden
c)
Robert Hooke
d)
Theodor Schwann
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 animals are composed of cells.

d)

All living things are composed of cells.

11.
All eukaryotes and prokaryotes are surrounded by a _____.
a)
cell wall
b)
cell membrane
c)
cell envelope
d)
loving, supportive family
12.

What type of cell has a nucleus?

a)

eukaryotic only

b)

prokaryotic only

c)

both prokaryotic and eukaryotic cells

13.
Eukarytoes have Many membrane-bound organelles? True or False
a)
True 
b)
False
14.
Bacteria are prokaryotes.
a)
True
b)
False
15.
What was the scientist in 1665 looking at when he discovered cells?
a)
tooth gunk
b)
cork
c)
pond scum
d)
bacteria
16.
Why did the person who first discovered cells call them "cells?"
a)
they reminded him of sugar cubes
b)
they reminded him of boxes
c)
they reminded him of little rooms (cells)
d)
they reminded him of his mother
17.
Who concluded all plants are made of cells?
a)
Hooke
b)
Leewenhoek
c)
Schleiden
d)
Schwann
18.
Who concluded that all animals are made of cells?
a)
Hooke
b)
Leewenhoek
c)
Schleiden
d)
Schwann
19.
Who concluded that all cells come from existing cells?
a)
Leewenhoek
b)
Virchow
c)
Schleiden
d)
Hooke
20.
What  are the three parts of the cell theory?
a)
all living things are unicellular; the cell makes up everything; cells come from free cell formation
b)
all things are made of cells; the cell is the basic unit of life; cells come from other cells
c)
All living things are made of one or more cells; the cell is the basic unit of life; all cells come from other cells
d)
Cells are cool; cells are fun; let's all eat a cinnamon bun
21.
The discovery and creation of which piece of equipment led to the discovery of cells?
a)
telescope
b)
microscope
c)
periscope
d)
blahblahscope
22.
What is a nucleus?
a)
the control center of the cell; where DNA is stored
b)
the center of the cell
c)
the middle of the cell
d)
where energy is made for the cell
23.
Which type of cell has NO NUCLEUS?
a)
prokaryotic
b)
eukaryotic
c)
plant cell
d)
animal cell
24.
What is cytoplasm?
a)
the jellylike fluid that fills all cells
b)
layer that surrounds all cells
c)
where the DNA is held
d)
where energy is made for the cell
25.
What are organelles?
a)
holds cell in place
b)
layer that surrounds all cells
c)
cell fluid
d)
parts of a cell
26.

What piece is the platform that supports the microscope slide?

a)

Base

b)

Diaphragm

c)

Stage Clips

d)

Stage

27.

What piece holds the microscope slide in place ?

a)

Base

b)

Diaphragm

c)

Stage Clips

d)

Stage

28.

What piece is a larger knob usually found on either the body tube or the arm and it is used to focus the image under low power?

a)

Aperture

b)

Fine Adjustment Knob

c)

Diaphragm

d)

Course Adjustment Knob

29.

What piece is found between the base and the stage and shines light through the object being viewed and into the microscope ?

a)

Aperture

b)

Fine Adjustment Knob

c)

Light Source

d)

Stage Clips

30.

What piece holds and turns the objective lenses into viewing position?

a)

Aperture

b)

Objective

c)

Nosepiece

d)

Stage Clips

31.

What should you use to clean the microscope?

a)

Only lens paper

b)

Only tissue paper

c)

Only paper towels

d)

Only Windex

32.

True of False: If the adjustment knobs are not turning, you should force them to turn.

a)

True

b)

False

33.

True of False: You should always store microscopes covered.

a)

True

b)

False

34.

Which of the following should you NOT do when handling a microscope?

a)

Only use lens paper for cleaning

b)

Carry with one hand

c)

Always store covered

d)

Be careful of cords

35.

What piece contains a high-power magnifying lens (40x)?

a)

HIgh-power Objective

b)

Eyepiece

c)

Low-power Objective

d)

Stage

36.

What piece contains a low- power magnifying lens (4x)?

a)

HIgh-power Objective

b)

Eyepiece

c)

Low-power Objective

d)

Stage

37.

What piece supports the body tube and is also used to transport the microscope from one place to another, along with the base?

a)

Arm

b)

Stage

c)

Aperture

d)

Objective

38.

What piece supports the microscope and is used to transport the microscope from one place to another?

a)

Eyepiece

b)

Stage

c)

Base

d)

Light Source

39.
A compound light microscope will use _______ or more lenses at the same time.
a)
1
b)
2
c)
3
40.
Find total magnification for:
Eyepiece = 20X 
Objective lens = 20X  
a)
20x
b)
40x
c)
200x
d)
400x
41.
Find the total magnification:
Eyepiece = 15X 
Objective lens = 100X  
a)
15x
b)
100x
c)
115x
d)
1500x
42.
Why do Scientist use microscopes? Choose the best answer.
a)
They are fun to use.
b)
To make cells look bigger than they appear.
c)
To separate cells from each other.
d)
To make cells look smaller.
43.
The ______ cell is a rectangular shape. 
a)
animal
b)
plant
44.
The _______ cell is circular in shape. 
a)
animal
b)
plant
45.
Soil, water, air and nutrients are needed by all _______.
a)
Plants
b)
Fish
c)
Birds
d)
Insects
46.
The vacuoles in ________ cells are smaller.
a)
Animal
b)
Plant
47.
Which cell can change it's shape?
a)
Animal
b)
Plant
48.
Which of the following is NOT a cell theory.
a)
All non-living things are made of cells
b)
All cells come from pre-existing cells
c)
Cells are the basic unit of structure and function of all living things
49.
An organism made of one cell is called
a)
unicellular organism
b)
multicellular organism
50.
Almost all bacteria are...
a)
Unicellular
b)
Multicellular
51.
______________ are the basic unit of life.
a)
DNA
b)
RNA
c)
Cells
d)
Takis
52.
Controls the movement of materials in and out of the cell.
a)
Cell Membrane
b)
Mitochondria
c)
Cytoplasm
d)
Endoplasmic Reticulum
53.
The part of the cell that makes protein.
a)
Vacuoles
b)
Ribosomes
c)
Golgi Apparatus
d)
Cytoplasm
54.
Protects the cell from the outside environment. (Only Plants)
a)
Cell Membrane
b)
Chloroplasts
c)
Cell Wall
d)
Vacuoles
55.
Provides support and protection for the cell, while also controlling the movement of materials in and out of the cell.
a)
Cellular Membrane
b)
Nucleus
c)
Ribosomes
d)
Vacuole
56.
This cell organelle breaks down food to release energy. Its known as the power plant of the cell.
a)
Endoplasmic Reticulum
b)
Mitochondria
c)
Ribosomes
d)
Cell Wall
57.
This part of the cell that is used for storage.
a)
Nucleus
b)
Cell Membrane
c)
Mitochondria
d)
Vacuole
58.
This is the control center of the cell.
a)
Nucleus
b)
Nuclear Membrane
c)
Chloroplasts
d)
Golgi Aparatus
59.
This cell part uses energy from the sun to make food for the plant.
a)
Cell Wall
b)
Cell Membrane
c)
Chloroplasts
d)
Vacuole
60.
These are the structures in cytoplasm that help with cell life processes.
a)
organ system
b)
cell wall
c)
organelles
d)
tissues
61.
This is where photosynthesis happens in plant cells
a)
mitochondria
b)
vacuole
c)
chloroplast
d)
nucleus
62.

Which of the following are statements of the cell theory? (choose all that apply)

a)

All living things are made of cells.

b)

All living things have DNA inside a nucleus.

c)

Cells are the basic unit of life.

d)

Cells come from other living cells.

e)

All living things require energy.

63.

Have a nucleus

a)

Prokaryotic

b)

Eukaryotic

c)

Both

64.

Do not have organelles with membranes

a)

Prokaryotic

b)

Eukaryotic

c)

Both

65.

Have ribosomes

a)

Prokaryotic

b)

Eukaryotic

c)

Both

66.

Have a cell membrane

a)

Prokaryotic

b)

Eukaryotic

c)

Both

67.

Contain DNA

a)

Prokaryotic

b)

Eukaryotic

c)

Both

68.
Who was the scientist that discovered bacteria when looking at pond water and teeth scrapings?
a)
Virchow
b)
Hooke
c)
Leeuwenhoek
d)
Schleiden
69.
Electron microscopes use a beam of _________________ to produce an image magnified up to 100,000 or more
a)
Sunlight
b)
Lasers
c)
Electrons
70.

Which organelle contains DNA and controls the cell?

a)

Cell membrane

b)

nucleus

c)

nucleolus

d)

lysosme

71.

Which organelle controls what goes in and out of the cell?

a)

nucleus

b)

nucleolus

c)

cell membrane

d)

nuclear membrane

72.

The gelatinous material inside the cell

a)

ribosomes

b)

lysosome

c)

granum

d)

cytoplasm

73.

This pigment is found in chloroplasts.

a)

rhodopsin

b)

chlorophyll

c)

thylakoid

d)

stroma

74.

Proteins are produced at this organelle.

a)

golgi body

b)

ribosome

c)

cytoskeleton

d)

cilia

75.

This structure is found in plants and is made of cellulose.

a)

chloroplast

b)

cell membrane

c)

cell wall

d)

cytoplasm

76.
To convert the energy of glucose into  the  usable form of ATP is a function of _________.
a)
Cell Wall
b)
Cytoplasm
c)
Nucleus
d)
Mitochondria
77.
To store water, glucose (sugar) materials (building blocks) or wastes is a function of _________.
a)
Cell Wall
b)
Vacuole
c)
Chloroplast
d)
Mitochondria
78.
Where can you find the chloroplast? 
a)
Only Plants
b)
Only Animals
c)
Plants & Animals
d)
Animals & Bacteria
79.
What is the job of the mitochondria?
a)
Makes Energy
b)
Uses Sunlight in Plants
c)
Creates Protein
d)
Protects the cell
80.
What organisms have a cell wall? 
a)
Only Plants
b)
Only Animals
c)
Plants & Animals
d)
Animals & Bacteria
81.
What does the chloroplast do in cells? 
a)
Allows things in and out of cell
b)
Controls the whole cell
c)
Uses sunlight for photosynthesis
d)
Makes energy for the cell
82.
If a cell had the following organelles: nucleus, mitochondria, ribosome, and cell membrane. And DID NOT have a chloroplast and cell wall, what kind of organism is the cell found in? 
a)
Animals only
b)
Plants only
c)
Both plants and animals
d)
Bacteria

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