Video Lesson: How to Use Micropipette

What is the purpose of an adjustable micropipette?

• To measure and transfer small volumes of liquid

• To mix chemicals in a laboratory

• To clean laboratory equipment

• To store samples for long periods

Which button is used to remove used tips from the micropipette?

• Tip ejector button

• Volume adjustment knob

• Digital display window

• Plunger button

What does the digital display window of a micropipette show?

• Time elapsed during the transfer

• Volume being selected

• Temperature of the liquid

• Pressure inside the pipette

What is the purpose of the shaft and ejector arm of a micropipette?

• To eject used tips

• To fill the pipette with liquid

• To dispense samples

• To adjust the volume

What is the volume range for a 2 to 20 micro litre micropipette?

• 100 to 1,000 micro litre

• 0.5 to 10 micro litre

• 20 to 200 micro litre

• 2 to 20 micro litre

What do the two numbers indicate in the volume range of a micropipette?

• The pH level of the liquid

• The range of accuracy for measurement

• The weight of the liquid

• The temperature of the liquid

What is the first step in using a micropipette?

• Adjusting the temperature of the liquid

• Choosing the type of tip

• Filling the pipette with liquid

• Setting the correct volume

What is the purpose of specialised tips for micropipettes?

• To adjust the volume

• To measure the weight of the liquid

• To prevent contamination

• To change the temperature of the liquid

How do you set the volume on a micropipette?

• Turn the plunger button

• Press the tip ejector button

• Shake the pipette

• Blow air into the pipette

What is the purpose of the hard stop on the plunger button of a micropipette?

• To prevent contamination

• To measure the weight of the liquid

• To aid in dispensing liquid completely

• To adjust the temperature of the liquid