Question

1. moves the stage slightly to sharpen the image.
2. used to support the top part of the microscope when carried.
3. regulates the amount of light on the specimen.
4. the bottom of the microscope, used for support.
5. projects light upwards through the diaphragm, the specimen and the lenses.
6. moves the stage up and down for focusing.
7. holds the slide in place on the stage.
8. contains the ocular lens.
9. holds two or more objective lenses and can be rotated to change power.
10. combination of lenses at the viewing end of optical instruments.
11. small platform where the specimen is mounted for examination.

Explanation:

1. Fine - adjustment knob: used for slight stage movement to sharpen image.
2. Arm: supports top - part when carrying.
3. Diaphragm: regulates light amount on specimen.
4. Base: bottom part for support.
5. Mirror or light source: projects light upwards.
6. Coarse - adjustment knob: moves stage up and down for focusing.
7. Stage clips: hold slide in place.
8. Eyepiece tube: contains ocular lens.
9. Nosepiece: holds objective lenses and can be rotated.
10. Ocular lens: combination of lenses at viewing end.
11. Stage: platform for specimen mounting.

Answer:

1. Fine - adjustment knob
2. Arm
3. Diaphragm
4. Base
5. Mirror or light source
6. Coarse - adjustment knob
7. Stage clips
8. Eyepiece tube
9. Nosepiece
10. Ocular lens
11. Stage