Parts of a Microscope

Question 1

Which part of the microscope connects the base to the head and provides support?
a) Head
b) Arm
c) Base
d) Eyepiece Tube

Answer 1

b) Arm

Question 2

What is the main purpose of the objective lens in a microscope?
a) To connect the eyepiece to the tube
b) To hold the specimen in place
c) To control the amount of light that reaches the specimen
d) To visualize and magnify the specimen

Answer 2

d) To visualize and magnify the specimen

Question 3

Which objective lens is used for low-level magnification and is usually color-coded red?
a) Scanning Objective Lens
b) Low Power Objective Lens
c) High Power Objective Lens
d) Oil Immersion Objective Lens

Answer 3

a) Scanning Objective Lens

Question 4

What is the role of the aperture in a microscope?
a) To move the slide precisely using mechanical stage controls
b) To reflect light from the light source
c) To control the amount of light that reaches the specimen
d) To collect and focus light into the specimen

Answer 4

c) To control the amount of light that reaches the specimen

Question 5

Where can the condenser be found in a microscope?
a) Under the stage next to the diaphragm
b) On top of the microscope head
c) Attached to the arm of the microscope
d) Inside the eyepiece tube

Answer 5

A) Under the stage next to the diaphragm

Question 6

What is the purpose of the eyepiece in a microscope?
a) To control the amount of light that reaches the specimen
b) To hold the slides in place
c) To provide support to the head of the microscope
d) To look through and observe the magnified specimen

Answer 6

d) To look through and observe the magnified specimen

Question 7

Which objective lens is useful for examining large specimens or surveying many smaller specimens?
a) Scanning Objective Lens
b) Low Power Objective Lens
c) High Power Objective Lens
d) Oil Immersion Objective Lens

Answer 7

b) Low Power Objective Lens

Question 8

Where are the stage clips or clamps located on a microscope?
a) Under the base of the microscope
b) On top of the microscope head
c) Attached to the arm of the microscope
d) On the stage to hold the slides in place

Answer 8

d) On the stage to hold the slides in place

Question 9

What is the function of the mechanical stage controls in a microscope?
a) To move the slide precisely using mechanical knobs
b) To control the amount of light that reaches the specimen
c) To collect and focus light into the specimen
d) To hold the objective lenses in place

Answer 9

a) To move the slide precisely using mechanical knobs

Question 10

Which knob on a microscope allows for quick focusing by moving the objective lens up and down?
a) Coarse Adjustment Knob
b) Fine Adjustment Knob
c) Mechanical Stage Controls
d) Aperture Knob

Answer 10

a) Coarse Adjustment Knob

Question 11

What is the primary role of the mirror in a microscope?
a) To reflect light from the light source
b) To hold the slides in place
c) To move the slide precisely using mechanical knobs
d) To control the amount of light that reaches the specimen

Answer 11

a) To reflect light from the light source

Question 12

Where is the diaphragm or iris located in a microscope?
a) Under the base of the microscope
b) On top of the microscope head
c) Attached to the arm of the microscope
d) Under the stage next to the condenser

Answer 12

d) Under the stage next to the condenser

Question 13

What is the function of the condenser in a microscope?
a) To reflect light from the light source
b) To control the amount of light that reaches the specimen
c) To collect and focus light into the specimen
d) To hold the objective lenses in place

Answer 13

c) To collect and focus light into the specimen

Question 14

What is the term for the distance through which you can move the specimen and still have it in focus?
a) Depth of Field
b) Magnification
c) Resolution
d) Aperture

Answer 14

a) Depth of Field

Question 15

Which part of the microscope carries the optical parts in the upper part of the microscope?
a) Head
b) Arm
c) Base
d) Eyepiece Tube

Answer 15

a) Head

Question 16

What is the function of the head (also known as the body) in a microscope?
a) To reflect light from the light source
b) To carry the optical parts in the upper part of the microscope
c) To hold the slides in place
d) To collect and focus light into the specimen

Answer 16

b) To carry the optical parts in the upper part of the microscope

Question 17

What is the role of the base in a microscope?
a) To control the amount of light that reaches the specimen
b) To provide support to the head of the microscope
c) To reflect light from the light source
d) To hold the objective lenses in place

Answer 17

b) To provide support to the head of the microscope

Question 18

What is the primary purpose of the eyepiece tube or tube in a microscope?
a) To look through and observe the magnified specimen
b) To move the slide precisely using mechanical knobs
c) To collect and focus light into the specimen
d) To control the amount of light that reaches the specimen

Answer 18

a) To look through and observe the magnified specimen

Question 19

What is the function of the eyepiece holder in a microscope?
a) To hold the slides in place
b) To connect the eyepiece to the objective lenses
c) To reflect light from the light source
d) To control the amount of light that reaches the specimen

Answer 19

b) To connect the eyepiece to the objective lenses

Question 20

What is the purpose of the ocular lens or eyepiece in a microscope?
a) To look through and observe the magnified specimen
b) To hold the slides in place
c) To reflect light from the light source
d) To control the amount of light that reaches the specimen

Answer 20

a) To look through and observe the magnified specimen

Question 21

What are the major lenses used for specimen visualization in a microscope called?
a) Ocular Lenses
b) Objective Lenses
c) Eyepiece Tubes
d) Stage Clips

Answer 21

b) Objective Lenses

Question 22

Which objective lens is specially designed to increase the resolution of the microscope?
a) Scanning Objective Lens
b) Low Power Objective Lens
c) High Power Objective Lens
d) Oil Immersion Objective Lens

Answer 22

d) Oil Immersion Objective Lens

Question 23

What is the function of the nosepiece or revolving turret in a microscope?
a) To hold the slides in place
b) To connect the eyepiece to the objective lenses
c) To reflect light from the light source
d) To rotate and switch between objective lenses

Answer 23

d) To rotate and switch between objective lenses

Question 24

What is the purpose of the stage in a microscope?
a) To reflect light from the light source
b) To hold the slides in place for viewing
c) To collect and focus light into the specimen
d) To control the amount of light that reaches the specimen

Answer 24

b) To hold the slides in place for viewing

Question 25

What is the role of the diaphragm or iris in a microscope?
a) To control the amount of light that reaches the specimen
b) To move the slide precisely using mechanical knobs
c) To reflect light from the light source
d) To hold the objective lenses in place

Answer 25

a) To control the amount of light that reaches the specimen