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Microscope Parts and Functions

Total questions: 56

Worksheet time: 35mins

Name
Class
Date
1.
You should always carry the microscope by the
a)
arm and base
b)
arm and body tube
c)
arm only
d)
the objectives
2.
When looking at a specimen on your slide, you should always start with the
a)
low objective lens
b)
medium objective lens
c)
high objective lens
d)
super extra high power lens
3.
The _______focuses the image under low power.
a)
revolving nosepiece
b)
fine adjustment knob
c)
coarse adjustment knob
d)
arm/neck
4.
The__________ sharpens the image under high magnification.
a)
the diaphragm
b)
fine adjustment knob
c)
coarse adjustment knob
d)
the ocular
5.
The ________ of the microscope would show you the MOST zoomed in image, or the SMALLEST field of view.
a)
low power objective
b)
medium power objective
c)
high power objective
d)
stage
6.
A light microscope that has more than one lens, the ocular and objective lens, is called a _______________.
a)
compound microscope
b)
microscope
c)
electrical microscope
d)
telescope
7.
Used to turn on the light source
a)
Light Switch
b)
Sun
c)
Cord
d)
Diaphragm
8.
The higher the magnification, the ________ you see of the specimen.
a)
more
b)
less
c)
higher
d)
lower
9.
What is number 1?
a)
revolving nosepiece
b)
objective lense
c)
body tube
d)
eyepiece
10.
What is number 7?
a)
body tube
b)
arm
c)
stage
d)
base
11.
Find the total magnification: 
Eyepiece = 10X 
Objective lens = 55X  
a)
10x
b)
55x
c)
65x
d)
550x
12.
What is number 12?
a)
stage
b)
stage clips
c)
coarse adjustment/focus
d)
fine adjustment/focus
13.
You can find total magnification by which of the following methods?
a)
eyepiece ocular lens PLUS objective
b)
eyepiece ocular lens TIMES objective
c)
ocular MINUS objective
d)
ocular DIVIDED BY objective
14.
Never use this when on high power.
a)
Fine adjustment
b)
Diaphragm
c)
Coarse adjustment or focus
d)
Stage clips
15.
What is number 14?
a)
light source
b)
base
c)
arm
d)
fine focus
16.
A microscope is an instrument that.
a)
makes faraway objects look closer.
b)
makes small objects appear larger.
c)
decreases the size of small objects.
d)
increases the size of small objects.
17.
Holds objective lenses; Rotates to change objectives
a)
Arm
b)
Base
c)
Revolving/Rotating Nosepiece
d)
Diaphragm
18.
Lenses consist of low 4X, medium 10X, and high 43X to magnify
a)
Eyepiece
b)
Ocular Lens
c)
Objective Lenses
d)
Illuminators
19.
When would you use the diaphragm?
a)
When you wanted to move the stage
b)
When you wanted to adjust the light
c)
When you wanted to put the microscope away
d)
When you sneeze
20.
What is number 13?
a)
eyepiece
b)
body tube
c)
coarse focus
d)
fine focus
21.

Identify #1 on the microscope diagram.

a)

Iris-diaphragm

b)

Body tube

c)

Eyepiece

d)

Objective

22.

Identify # 2 on the microscope diagram.

a)

Iris-diaphragm

b)

Body tube

c)

Eyepiece

d)

Objective

23.

Identify # 6 on the microscope diagram.

a)

Iris-diaphragm

b)

Body tube

c)

Eyepiece

d)

Objective

24.

Identify # 11 on the microscope diagram.

a)

Iris-diaphragm

b)

Body tube

c)

Eyepiece

d)

Objective

25.

Identify # 3 on the microscope diagram.

a)

Base

b)

Arm

c)

Eyepiece

d)

Light source

26.

Identify # 12 on the microscope diagram.

a)

Base

b)

Arm

c)

Eyepiece

d)

Light source

27.

Identify # 15 on the microscope diagram.

a)

Base

b)

Arm

c)

Eyepiece

d)

Light source

28.

Identify # 5 on the microscope diagram.

a)

Stage

b)

Coarse adjustment knob

c)

Fine adjustment knob

d)

Stage clips

29.

Identify # 10 on the microscope diagram.

a)

Stage

b)

Coarse adjustment knob

c)

Fine adjustment knob

d)

Stage clips

30.

Identify # 9 on the microscope diagram.

a)

Stage

b)

Coarse adjustment knob

c)

Fine adjustment knob

d)

Stage clips

31.

Identify # 4 on the microscope diagram.

a)

Objectives

b)

Coarse adjustment knob

c)

Fine adjustment knob

d)

Revolving nosepiece

32.

I support the slide being viewed

a)

Stage

b)

Stage Clips

c)

arm

d)

base

33.

Holds objective lenses; Rotates to change objectives

a)

Base

b)

Diaphragm

c)

Fine Knob

d)

Nosepiece

34.

4x magnification power

a)

low

b)

Medium

c)

High

35.

10x magnification power

a)

low

b)

medium

c)

high

d)

highest

36.

40x magnification power

a)

low

b)

medium

c)

High

37.

Holds the slide in place

a)

Stage

b)

Stage Clips

c)

Base

38.

Moves the stage slightly to sharpen the image

a)

Coarse focus Knob

b)

Fine focus Knob

c)

light source

39.

Controls the amount of LIGHT

a)

light source

b)

Diaphragm

c)

Nose piece

d)

low power

40.

I support the entire microscope

a)

base

b)

arm

c)

light source

d)

ohio

41.

Moves stage up and down for focusing; large amounts

a)

Fine focus knob

b)

Coarse focus knob

c)

Focus focus knob

d)

Light Source

42.

Support the stage and one of the pieces you use to carry the microscope.

a)

Leg

b)

Arm

c)

nosepiece

d)

diaphragm

43.

What is letter G?

a)

revolving nosepiece

b)

objective lense

c)

body tube

d)

eyepiece

44.

What is letter I ?

a)

body tube

b)

arm

c)

stage

d)

base

45.

Find the total magnification:

Eyepiece = 10X

Objective lens = 50X

a)

10x

b)

40x

c)

60x

d)

500x

46.

What is letter K?

a)

stage

b)

stage clips

c)

coarse adjustment/focus

d)

fine adjustment/focus

47.

What is letter H?

a)

light source

b)

base

c)

arm

d)

fine focus

48.

What is letter J?

a)

eyepiece

b)

body tube

c)

coarse focus

d)

fine focus

49.

The ______ magnifies the specimen, usually by 10 times.

a)

eyepiece

b)

objective lens

c)

revolving nosepiece

d)

lamp

50.
a)
arm
b)
feet
c)
stand
d)
base
51.
a)
light source
b)
dimmer switch
c)
diaphragm
d)
rotator
52.
a)
light source
b)
lens
c)
eye piece
d)
slide projector
53.
a)
rotator
b)
arm
c)
magnifier
d)
nose
54.
a)
spring
b)
slide holder
c)
stage clip
d)
fine adjustment
55.

The ___ has different sized holes that let different amounts of light pass through the specimen on the stage.

a)

diaphragm

b)

lamp

c)

condenser lens

d)

eyepiece

56.

The ____ holds the tube in place and is used to carry the microscope.

a)

lamp

b)

base

c)

arm

d)

eyepiece

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