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Biology Lab Exam #1 > Microscope > Flashcards

Flashcards in Microscope Deck (17)
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1

4X

Scanning

2

10X

Low power

3

40X

High power

4

100X

Oil immersion

5

Compound light microscope

Uses lenses to focus and magnify light rays at low magnification

6

Electron microscope

Uses a beam of electrons that is magnified and focused by electromagnets

7

Two types of electron microscope's

Scanning
Transmission

8

Label the parts of the microscope

Ocular lens
Nose piece
Scanning objective(4X)
High-power objective(40X)
Stage
Mechanical stage
Iris diaphragm
Light source
Base
Low-power objective(10X)
Course adjustment knob
Fine adjustment knob
Mechanical stage control knob

9

Which microscope objective should be in place at the beginning and the end of the laboratory?

Low power (10X)

10

Iris diaphragm

This part of the microscope is what regulates the amount of light

11

What are two differences between plant and animal cells?

Cell wall
Chloroplasts

12

Parfocal

The ability of the microscope to remain in focus between different objectives

13

Which adjustment knob is used with low power

Coarse

14

Which adjustment knob is used with high power?

Fine

15

If a paramecium is swimming to the right, which way should you move the slide for viewing?

Left

16

What is placed on the top of the wet mount before microscope viewing?

Glass cover slip

17

How do you properly put the microscope away?

1.) turn off the microscope

2.) put the 4X (scanning power) objective in place

3.) lower the stage

4.) remove and put away slides

5.) wrap the cord around the brackets

6.) Cover the microscope

7.) move the microscope to the middle of the table