Microscopes And Their Uses

Question 1

What is the primary function of the objective lens in a microscope?

Answer 1

To magnify the specimen.

Question 2

True or False: The eyepiece lens is where you look through to see the magnified image.

Answer 2

True

Question 3

Fill in the blank: The __________ controls the amount of light that reaches the specimen.

Answer 3

iris diaphragm

Question 4

What part of the microscope supports the entire structure and houses the light source?

Answer 4

Base

Question 5

Which part of the microscope is used to adjust the focus?

Answer 5

Coarse and fine adjustment knobs

Question 6

What is the purpose of the stage in a microscope?

Answer 6

To hold the slide with the specimen.

Question 7

What type of microscope uses two or more lenses to magnify an image?

Answer 7

Compound microscope

Question 8

True or False: The condenser lens focuses light onto the specimen.

Answer 8

True

Question 9

What is the function of the arm in a microscope?

Answer 9

To connect the base and the head and provide support.

Question 10

Fill in the blank: The __________ is used to switch between different objective lenses.

Answer 10

nosepiece

Question 11

What is the main purpose of the light source in a microscope?

Answer 11

To illuminate the specimen for better visibility.

Question 12

Which part of the microscope allows for precise focusing at high magnifications?

Answer 12

Fine adjustment knob

Question 13

True or False: The stage clips are used to hold the slide in place.

Answer 13

True

Question 14

What is the role of the ocular lens?

Answer 14

To further magnify the image seen by the eye.

Question 15

Fill in the blank: The __________ is the part that connects the eyepiece to the body tube.

Answer 15

head

Question 16

What is the function of the mechanical stage?

Answer 16

To allow precise movement of the slide.

Question 17

What type of microscope is designed to view living specimens in their natural state?

Answer 17

Phase contrast microscope

Question 18

True or False: The base of the microscope is typically adjustable.

Answer 18

False

Question 19

What component is used to change the intensity of light in a microscope?

Answer 19

Rheostat or light intensity control

Question 20

Fill in the blank: The __________ helps to stabilize the microscope during use.

Answer 20

base

Question 21

What is the primary purpose of the body tube in a microscope?

Answer 21

To maintain the correct distance between the eyepiece and objective lenses.

Question 22

Which type of lens is used to create a virtual image for the observer’s eye?

Answer 22

Ocular lens

Question 23

True or False: The condenser is necessary for brightfield microscopy.

Answer 23

True

Question 24

What does the term ‘resolution’ refer to in microscopy?

Answer 24

The ability to distinguish two close objects as separate.

Question 25

Fill in the blank: The __________ is used to adjust the height of the stage.

Answer 25

stage adjustment knob