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microscopes

Total questions: 36

Worksheet time: 30mins

Name
Class
Date
1.
The part of the microscope that you look through. Usually contains a 10x lense.
a)
Eyepiece
b)
Nosepiece
c)
Telescope
d)
Magnifier
2.
Which piece is a wheel that allows the user to control the amount of light let through the slide?
a)
Stage
b)
Diaphragm
c)
Light
d)
Fine Adjustment Knob
3.
Which piece does NOT primarily support the microscope?
a)
Arm
b)
Nosepiece
c)
Base
4.
Which pieces raise and lower the stage or objective lense?
a)
Diaphragm and Light
b)
Aperture and Diaphragm
c)
Fine and Course Adjustment Knobs
d)
Eyepiece and Arm
5.
What is number 12?
a)
Aperture
b)
Stage
c)
Stage Clips
d)
Stand
6.
What is number 11?
a)
Aperture
b)
Stage
c)
Stage Clips
d)
Stand
7.
What is number 10?
a)
On/Off Switch
b)
Nosepiece
c)
Light
d)
Objective Lens
8.
What is number 9?
a)
On/Off Switch
b)
Nosepiece
c)
Light
d)
Objective Lens
9.
What is number 8?
a)
On/Off Switch
b)
Nosepiece
c)
Light
d)
Objective Lens
10.
What is number 7?
a)
On/Off Switch
b)
Nosepiece
c)
Light
d)
Objective Lens
11.
What is number 6?
a)
Course Adjustment Knob
b)
Fine Adjustment Knob
c)
Diaphragm
d)
Eyepiece
12.
What is number 5?
a)
Course Adjustment Knob
b)
Fine Adjustment Knob
c)
Diaphragm
d)
Eyepiece
13.
What is number 4?
a)
Course Adjustment Knob
b)
Fine Adjustment Knob
c)
Diaphragm
d)
Eyepiece
14.
What is number 3?
a)
Course Adjustment Knob
b)
Fine Adjustment Knob
c)
Diaphragm
d)
Eyepiece
15.
What is number 2?
a)
Base
b)
Arm
c)
Stage
d)
Neck
16.
What is number 1?
a)
Base
b)
Arm
c)
Stage
d)
Neck
17.

When a student finishes using the oil immersion technique they should do which of the following to clean up the microscope?

a)

Turn off and unplug the microscope and put the dust cover on.

b)

Wipe the oil off with a piece of paper towel and some soap. Unplug and put the dust cover on.

c)

Use lens paper and lens cleaner to clean off the oil. Turn off, unplug and put the dust cover on.

d)

Just walk away - the teacher will take care of it.

18.

It is okay to get oil on other lens beside the oil immersion lens.

a)

True

b)

False

19.

Always call your teacher over for assistance before switching to the 100x oil immersion objective lens.

a)

True

b)

False

20.

When you are beginning to focus move the stage to

a)

the lowest position away from the objectives so that you are sure not to break a slide

b)

any position to start, it depends on the size of the specimen

c)

the highest position closest to the low objective

d)

it does not matter where you start focusing

21.

Same length as the 40X High Power Objective but affording a much higher magnification (100X). It needs a special oil to be placed on object studied. Identified by its white banded color.

a)

Scanner

b)

Low power objective

c)

High power objective

d)

Oil immersion objective (OIO)

22.

Can you use the coarse adjustment with the high power (40x) or oil immersion (100x) objectives?

a)

Yes

b)

No

23.

Used to move the stage up and down to focus specimen on low power.

a)

Stage

b)

Stage clips

c)

Diaphragm

d)

Coarse adjustment

24.

Used to focus specimen, smaller adjustment than coarse adjustment

a)

Fine adjustment

b)

Stage

c)

Arm

d)

Base

25.

Lenses used to change the magnification of the specimen

a)

Body Tube

b)

Eyepiece

c)

Objective lenses

d)

Diaphragm

26.

How should a microscope be stored?

a)

with the low power objective in place

b)

without a dust cover

c)

with the stage fully raised

d)

with microscope slides secured to the stage

27.

What should you use to wipe dust off of a microscope lens?

a)

lens paper

b)

paper towel

c)

toilet paper

d)

Kim wipe

28.

Which objective lens should you ALWAYS begin your observation with?

a)

low power objective

b)

medium power objective

c)

high power objective

d)

extra high power objective

29.

Which knob CANNOT be turned when observing a specimen using the high-powered objective?

a)

coarse adjustment

b)

fine adjustment

c)

nosepiece adjustment

d)

objective adjustment

30.

How should a microscope be transported?

a)

by the arm and the base

b)

arm

c)

base

d)

by the cord

31.

When observing a specimen using the 10x eyepiece and the high-powered objective (40x), what is the total magnification that the specimen is being observed?

a)

400X

b)

40X

c)

100X

d)

4000X

32.

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

33.

True of False: You should always store microscopes covered.

a)

True

b)

False

34.

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

a)

True

b)

False

35.

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

a)

Aperture

b)

Diaphragm

c)

Light Source

d)

Arm

36.

What piece is the platform that supports the microscope slide?

a)

Base

b)

Diaphragm

c)

Stage Clips

d)

Stage