MICROSCOPE

Question 1

horseshoe or V-shaped structure which supports the entire microscope.

Answer 1

Base

Question 2

curved frame to which the base, stage, and body tube are attached. This serves as a handle for carrying the microscope.

Answer 2

Arm

Question 3

the smaller cylinder attached to the upper part of the body tube; it bears the ocular or eyepiece

Answer 3

Draw tube

Question 4

round structure attached at the lower portion of the body tube. This holds the different objectives and facilitates shifting of appropriate objective.

Answer 4

Revolving nose piece

Question 5

consist of two pairs of knobs and these raise and lower the body tube and lenses:

Answer 5

Adjusting Knobs

Question 6

Upper larger screw which raises and lowers the body tube faster and brings the objects into focus using the low power objective.

Answer 6

Coarse Adjustment Knob or Screw

Question 7

Lower smaller screw which moves the body tube slower and bring the objects to sharper focus using the high-power objective.

Answer 7

Fine Adjustment Knob or Screw

Question 8

A small square or circular piece where the slide to be examined is placed, it has a stage aperture and stage clip.

Answer 8

Stage

Question 9

located at the lower portion of the stage, it regulates the amount of light which strikes the object being viewed.

Answer 9

Iris diaphragm

Question 10

tructure below the stage that is attached to the pillar.

Answer 10

Mirror

Question 11

rounded glass structure found immediately beneath the stage. This serves to condense and concentrate reflected light from the mirror through the specimen at a precise angle.

Answer 11

Condenser

Question 12

located at the top of the draw tube. The ocular, through which the object is viewed, contains magnifying lenses that enlarge objects.

Answer 12

Eyepiece or ocular

Question 13

most microscopes have three —- or —- —-: the low power objective, high power —–, and —– —-. Some microscopes have a scanner instead of an —–. Each objective is marked with bands and the degree of magnification.

Answer 13

Objectives

Question 14

the shortest cylinder or tube with a large lens opening and with lower magnification. This is used to observe the general view of the specimen and locate parts of the specimen.

Answer 14

Low power objective

Question 15

the longer cylinder or tube with smaller lens opening, smaller lens and with higher magnification. This is used to observe the enlarged detailed parts of the specimen.

Answer 15

High power objective

Question 16

the longest cylinder or tube with a very small opening, very small lens and with very high magnification/

Answer 16

Oil immersion objective

Question 17

the smaller cylinder attached to the upper part of the body tube; it bears the ocular or eyepiece

Answer 17

Draw tube or eye tube