Microscopy

Question 1

Which microscope has the higher magnification? Light or electron?

Answer 1

Electron microscope
Light microscope [500x - 1500x]
electron microscope [16000x - 1000000x]

Question 2

What is meant by resolution?

Answer 2

the ability to distinguish between 2 points

Question 3

What is the function of the stage clips?

Answer 3

To hold the slide in place on the stage

Question 4

What is the equation to calculate the actual size of a cell?

Answer 4

Magnification = image size / actual size

Question 5

What is the primary function of a microscope?

Answer 5

To magnify small objects so they can be seen in detail.

Question 6

True or False: Light microscopes use beams of electrons to magnify specimens.

Answer 6

False [that describes the electron microscope]

Question 7

Fill in the blank: The part of the microscope that holds the slides in place is called the ______.

Answer 7

stage [and has stage clips to secure it in place]

Question 8

What is the total magnification if the objective lens is 10x and the eyepiece lens is 20x?

Answer 8

200x

Question 9

Which type of microscope uses visible light to illuminate samples?

Answer 9

Light microscope

Question 10

Identify one advantage of using an electron microscope over a light microscope.

Answer 10

Higher resolution and magnification.

Question 11

What is the purpose of the diaphragm in a microscope?

Answer 11

To control the amount of light that reaches the specimen.

Question 12

Multiple Choice: Which part of the microscope is adjusted to bring the specimen into focus?
A) Coarse adjustment knob
B) Fine adjustment knob
C) Both A and B

Answer 12

C) Both A and B

Question 13

What is the name of the lens closest to the specimen?

Answer 13

Objective lens

Question 14

True or False: The higher the magnification, the lower the resolution.

Answer 14

False

Question 15

What is the purpose of preparing a slide for microscopy?

Answer 15

To allow for the observation of small specimens under a microscope.

Question 16

True or False: A cover slip should be placed on top of the specimen after adding a drop of water.

Answer 16

True

Question 17

Fill in the blank: The __________ is used to hold the specimen in place on the slide.

Answer 17

coverslip

Question 18

Multiple Choice: Which of the following is NOT a step in preparing a microscope slide?
A) Adding a drop of dye onto the sample
B) Placing a cover slip
C) Heating the slide
D) Labeling the slide

Answer 18

C) Heating the slide