Y7 C1 : Cells (part 3)

Which is the base?

• D

• E

• F

• G

Which is the eyepiece?

• A

• B

• J

• K

The slide is placed here

• objective lens

• stage

• base

• diaphragm

Which is not true about handling of microscope? (more than 1 answer)

• Always carry microscope with both hands.

• Swing the microscope around as you carry it.

• One hand support the base, one hand support the arm.

• Both hands hold the arm of the microscope.

This is also known as ocular lens.

• objective lens

• eyepiece

• nosepiece

• coarse adjustment knob

A specimen seen under high power of a compound microscope appears blurred. To obtain a clearer image, adjust the

• diaphragm

• light source

• coarse adjustment knob

• fine adjustment knob

This is the stage.

• C

• D

• I

• H

This part holds the slide in place.

• I, stage

• I, stage clips

• D, diaphragm

• A, body tube

This part adjust the amount of light that is projected onto the slides.

• H, light adjustment knob

• G, light source

• H, diaphragm

• G, mirror

If the objective lens are dirty you can clean them with tissue paper.

• true

• false