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Biology - Microscopes

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

The eyepiece of a microscope is also known as...

a)

the ocular lens

b)

the objective lens

c)

the coarse focus

d)

the fine focus

2.

The lens of the microscope closest to the stage is...

a)

the ocular lens

b)

the objective lens

c)

the stereomicroscope

d)

the binocular microscope

3.

the coarse focus knob is...

a)

used to focus the image on low power

b)

used to focus the image on high power

c)

located on the eyepiece

d)

switches the light on and off

4.

The stage is...

a)

used to direct light to the specimen

b)

for shining light onto the specimen

c)

where the specimen is placed

d)

above the objective lens

5.

The neck of the microscope...

a)

has only one ocular lens

b)

contains the light source

c)

is where you will find the eyepiece

d)

is also called the handle

6.

The image is...

a)

the stage

b)

what is seen using the microscope

c)

the specimen

d)

a microscope that uses light

7.

Magnification is...

a)

the amount by which the image is magnified compared to the real object

b)

the amount by which the object is shrunk compared to the image

c)

an instrument used to make very small things look bigger

d)

a way to describe objects that can only be seen using a microscope

8.

Field of view means...

a)

the amount of the specimen seen through a microscope

b)

the size of the stage

c)

how far the eyepiece is from the lens

d)

how far the stage is from the lens

9.

A micrometer is...

a)

one thousandth of a millimetre

b)

one millionth of a millimetre

c)

one thousandth of a metre

d)

one millionth of a metre

10.

Which symbol means 'micro'

a)

μ\mu  

b)

λ\lambda  

c)

π\pi  

d)

θ\theta  

11.

Microscopic describes...

a)

objects that can only be seen using a microscope

b)

an instrument used to make small things look bigger

c)

one millionth of a metre

d)

items made to look bigger

12.

The specimen is...

a)

a sample of a living thing

b)

the object being looked at through a microscope

c)

the tube between the eyepiece and the lens

d)

the multiplication value

13.

When properly carrying a mocroscope you should have hands on:

a)

the stage and arm

b)

the base and the arm

c)

the body tube and the base

d)

the eyepiece and the stage

14.

If you can no longer see the specimen when you get to high power you should:

a)

use the coarse adjustment knob to help you focus

b)

lower the stage, move the slide and go back to using high power

c)

go back to low or medium power and begin again

d)

lower the stage, move the slide around and then go back to high and use the coarse adjusment knob to focus

15.

What should you never do when using the microscope?

a)

swing it around while carrying it

b)

use the coarse adjustment on high power

c)

place it right next to the edge of the table

d)

all of these