LAB APPARATUS

Question 1

Topmost part of the microscope which is the lens the viewer looks
through to see the specimen.

Answer 1

OCULAR LENS OR EYEPIECE

Question 2

Located above the stage, it holds the objective lenses.

Answer 2

REVOLVING NOSE PIECE

Question 3

It is used to change focus on one eyepiece in order to correct any difference in vision between the two eyes.

Answer 3

DIOPTER ADJUSTMENT

Question 4

It connects the eyepiece to the objective lenses.

Answer 4

BODY TUBE OR HEAD

Question 5

it connects the body tube to the base of the microscope.

Answer 5

ARM

Question 6

It brings the specimen into general focus.

Answer 6

COURSE ADJUSTMENT

Question 7

It fine-tunes the focus and increases the details of the specimen.

Answer 7

FINE ADJUSTMENT

Question 8

This is held in place above the stage by the revolving nosepiece and are the lenses that are closest to the specimen. It contains 3 to 5 objectives ranging in power from 4% to 100X.

Answer 8

Objective Lenses

Question 9

Located beneath the revolving nosepiece, it is the flat platform on which the specimen is placed.

Answer 9

STAGE

Question 10

Situated above the stage, these are metal clips that hold the slide
in place.

Answer 10

Stage Clips

Question 11

Found beneath the stage, these knobs move the stage either left or right or forward and backward.

Answer 11

Stage Control

Question 12

The hole in the middle of the stage that allows light from the illuminator to reach the slide containing the specimen.

Answer 12

Aperture

Question 13

The switch located at the base of the microscope that turns the illuminator on or off.

Answer 13

On/Off Switch

Question 14

The light source of the microscope.

Answer 14

Illuminator

Question 15

Found on the condenser, it is used to adjust the amount of light coming through the condenser.

Answer 15

IRIS DIAPHRAGM

Question 16

It is found beneath the stage and contains a lens system that focuses light onto the specimen. It gathers and focuses light onto the specimen.

Answer 16

Condenser

Question 17

It supports the microscope and it is where the illuminator is found.

Answer 17

BASE

Question 18

An optical instrument used to magnify organisms a hundred or thousand fold.

Answer 18

Microscope

Question 19

It is used to decontaminate certain biological waste and sterilize media, instrument, and lab ware.

Answer 19

Autoclave

Question 20

It provides a temperature-controlled environment to support the growth of microbiological culture.

Answer 20

Incubator

Question 21

It used for refrigerating, preserving, and storing reagents, culture media, biological and bacterial sample. It provides reliable cooling and stable temperature.

Answer 21

Refrigerator

Question 22

It is used to take and transfer a small sample of a microorganism culture.

Answer 22

Inoculation Loop

Question 23

It is used to culture different types of cells, including bacteria and mold.

Answer 23

Petri Dish

Question 24

It is used to hold objects for examination.

Answer 24

Glass slide

Question 25

It is used to hold the specimen in place and to avoid contamination.

Answer 25

Cover slip

Question 26

It is used to hold, mix, or heat small quantities of solid or liquid chemicals.

Answer 26

Test tube

Question 27

It is used to hold upright multiple test tubes at the same time.

Answer 27

Test tube rack

Question 28

A measuring or mixing cylinder used to measure the volume of a liquid.

Answer 28

Graduated cylinder

Question 29

It is used to contain liquids and for mixing, heating, cooling, incubation, and filtration

Answer 29

Erlenmeyer Flask

Question 30

It is used for measuring and dispensing small amount of liquid.

Answer 30

Dropper

Question 31

It is used to measure and transfer a precise amount of fluid from one container to another.

Answer 31

Micropipette

Question 32

It is used for heating, sterilization, and combustion in a laboratory

Answer 32

Alcohol Lamp

Question 33

It is used to provide a single, continuous flame by mixing gas with air in a controlled fashion.

Answer 33

Bunsen Burner

Question 34

It is often used in taking microbiological culture, and it is wiped across on the agar plate.

Answer 34

Cotton swab

Question 35

It is used to stop air movement that might carry microbe.

Answer 35

Cotton plug

Question 36

It provides effective primary containment for work with infectious material or toxins.

Answer 36

Biosafety cabinet

Question 37

The distance between the objective’s front lens element and the cover slip’s nearest surface when the specimen is focused.

Answer 37

Working distance