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Laboratory Equipment Identification Quiz

#1

What is the function of a Bunsen burner in a laboratory?

Heating substances
Explanation

Provides a flame for heating substances in laboratory experiments.

#2

Which of the following laboratory apparatus is commonly used for measuring mass?

Analytical balance
Explanation

Used for measuring the mass of substances with high precision in laboratory experiments.

#3

What is the primary purpose of an autoclave in a laboratory setting?

Sterilizing equipment and media
Explanation

Used to sterilize laboratory equipment and media by subjecting them to high-pressure steam.

#4

What is the purpose of a fume hood in a laboratory?

Protecting against inhalation of fumes
Explanation

Provides a safe workspace by removing hazardous fumes and chemicals from the laboratory environment.

#5

Which laboratory apparatus is commonly used for heating small amounts of substances or for boiling liquids?

Bunsen burner
Explanation

Produces a controlled flame for heating substances or boiling liquids in laboratory experiments.

#6

What is the purpose of a pH meter in a laboratory?

Determining pH
Explanation

Measures the acidity or alkalinity of a solution in laboratory experiments.

#7

Which laboratory equipment is used for precise volume measurements of liquids?

Graduated cylinder
Explanation

Allows precise measurement of liquid volumes in laboratory settings.

#8

What is the primary use of a spectrophotometer in a laboratory?

Analyzing light absorption
Explanation

Used to measure the absorption of light by substances in solution.

#9

Which safety equipment is used to protect the eyes in a laboratory?

Safety goggles
Explanation

Protects the eyes from hazardous materials and chemicals in laboratory environments.

#10

Which gas is commonly used in a laboratory as a fuel for flame-based experiments?

Methane
Explanation

Provides a clean-burning fuel source for laboratory Bunsen burners.

#11

In a microbiology laboratory, what is the purpose of an incubator?

Promoting bacterial growth
Explanation

Maintains optimal temperature and conditions for the growth of microorganisms in laboratory cultures.

#12

What is the primary use of a centrifuge in a laboratory?

Separating components based on density
Explanation

Used to separate components of a liquid or mixture based on their density using centrifugal force.

#13

What does the acronym PCR stand for in molecular biology?

Polymerase Chain Reaction
Explanation

A method used to amplify DNA sequences in molecular biology.

#14

Which piece of equipment is commonly used for gel electrophoresis in molecular biology?

Electrophoresis chamber
Explanation

Used to separate DNA, RNA, or proteins based on their size and charge in molecular biology experiments.

#15

Which safety equipment is used to protect the hands in a laboratory?

Gloves
Explanation

Protects the hands from hazardous materials and chemicals in laboratory environments.

#16

In microbiology, what is the purpose of a laminar flow hood?

Maintaining a sterile environment
Explanation

Creates a sterile workspace by directing a continuous flow of filtered air over the work surface, preventing contamination in microbiology experiments.

#17

In molecular biology, what is the primary purpose of a thermal cycler?

DNA amplification through PCR
Explanation

Used to perform polymerase chain reaction (PCR) for amplifying DNA sequences in molecular biology experiments.

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