Microscope

Question 1

What microscope is the most often used and useful tool in botany?

Answer 1

Compound microscope

Question 2

microscope from the Greek words meaning

Answer 2

little and to see

Question 3

The compound microscope, which consists of at least two lenses, was invented

Answer 3

in 1950 by Dutch spectacle maker Zacharias and Hans Jansen.

Question 4

Another microscope, consisting of a small glass ball set inside a metal frame was invented by

Answer 4

Dutch Antoine Van Leeuwenhoek.

Question 5

He became known for using his microscopes to observe

Answer 5

single-celled microorganisms called ANIMALCULES

Question 6

An eyepiece has a _____ zoom

Answer 6

10X

Question 7

What are the coarse and fine adjustment knobs?

Answer 7

Adjustment Knobs
(THICK) Coarse Adjustment Knobs- focus and moves the stage up and down
(THIN) Fine Adjustment Knobs- precision

Question 8

Above the body tube is a smaller tube called

Answer 8

Draw tube

Question 9

Draw Tube holds the

Answer 9

Eyepiece

Question 10

Eyepiece is where

Answer 10

a person looks to observe a specimen

Question 11

Arm connects

Answer 11

the body tube/ head to the base

Question 12

Nosepiece allows you to move the

Answer 12

objectives from one to another

Question 13

What are the different objectives

Answer 13

SO- Scanning Objective- 4X
LPO- Low Powered Objective- 10X
HPO- High Powered Objective- 40X
OIO- Oil Immersion Objective- 100X

Question 14

Dust shield lies

Answer 14

atop the nosepiece to protect objectives from dust and impede proper movement and function

Question 15

Below the objectives is a flat square surface known as the

Answer 15

the stage which holds the stage clips

Question 16

Stage Clips holds the

Answer 16

glass slide/ specimen

Question 17

Aperture

Answer 17

is a hole on which the light reaches the stage

Question 18

Stage Height Adjustments of

Answer 18

5T- thicker one- moves the stage forward and backward

4T- thinner one- moves the stage clip left and right

Question 19

condenser is between

Answer 19

the stage and the illuminator. The condenser focuses the light on the specimen

Question 20

Illumination is the

Answer 20

light source found in the base

Question 21

For objectives, always start with the

Answer 21

lowest objective and ensure objective does not hit the specimen when trying to revolve the nosepiece

Question 22

Do not force knobs to turn

Answer 22

Mosy movable knobs are easily turned

Question 23

In moving a microscope always hold the

Answer 23

arm and the base

Question 24

Stage control Knobs?

Answer 24

The thinner one moves the stage clip left and right

The thicker knob moves stage clip forward and backward