Learn Mode

Laboratory Techniques and Best Practices Quiz

Go to Quiz Page

Which laboratory technique is commonly used to separate components of a mixture based on their solubility?

Chromatography

Explanation

Separation based on solubility

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

To heat substances

Explanation

Heating substances

Which of the following is a common method for sterilizing laboratory equipment and media?

Autoclaving

Explanation

Sterilization through autoclaving

What is the primary purpose of a pipette in a laboratory?

To transfer precise volumes of liquid

Explanation

Precise liquid volume transfer with a pipette

What is the purpose of a centrifuge in a laboratory?

To separate components of a mixture based on density

Explanation

Density-based component separation with a centrifuge

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

To provide ventilation and protect users from harmful fumes

Explanation

Ventilation and user protection

Which type of laboratory glassware is used for accurate measurement of liquid volumes?

Burette

Explanation

Accurate liquid volume measurement

In titration, what does the endpoint signify?

The volume of titrant added is stoichiometrically equivalent to the analyte

Explanation

Stoichiometric endpoint in titration

Which of the following is a common laboratory technique used for the separation of proteins based on their charge and size?

Ion Exchange Chromatography

Explanation

Protein separation by charge and size

#10

What does PCR stand for in the context of molecular biology?

Polymerase Chain Reaction

Explanation

Polymerase Chain Reaction acronym

#11

What is the primary purpose of a safety data sheet (SDS) in a laboratory setting?

To communicate hazards and safe handling procedures for chemicals

Explanation

Hazard communication and safe handling

#12

Which laboratory technique is employed to separate DNA fragments based on their size using an electric field?

Gel Electrophoresis

Explanation

DNA fragment separation with electric field

#13

What is the purpose of a spectrophotometer in a laboratory?

To determine the concentration of a substance in a solution

Explanation

Concentration determination with spectrophotometry

#14

Which laboratory technique is commonly used for the identification of substances based on their mass-to-charge ratio?

Mass Spectrometry

Explanation

Identification by mass-to-charge ratio

#15

What is the purpose of a desiccator in a laboratory?

To dry or dehydrate samples

Explanation

Drying or dehydrating samples with a desiccator

Laboratory Techniques and Best Practices Quiz

Which laboratory technique is commonly used to separate components of a mixture based on their solubility?

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

Which of the following is a common method for sterilizing laboratory equipment and media?

What is the primary purpose of a pipette in a laboratory?

What is the purpose of a centrifuge in a laboratory?

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

Which type of laboratory glassware is used for accurate measurement of liquid volumes?

In titration, what does the endpoint signify?

Which of the following is a common laboratory technique used for the separation of proteins based on their charge and size?

What does PCR stand for in the context of molecular biology?

What is the primary purpose of a safety data sheet (SDS) in a laboratory setting?

Which laboratory technique is employed to separate DNA fragments based on their size using an electric field?

What is the purpose of a spectrophotometer in a laboratory?

Which laboratory technique is commonly used for the identification of substances based on their mass-to-charge ratio?

What is the purpose of a desiccator in a laboratory?

Test Your Knowledge