Centrifuge - low speed centrifuge, high speed centrifuge, ultra centrifuge, lyophilizer - take the quiz
Centrifuge Knowledge Quiz
Test your knowledge about different types of centrifuges and their applications in various scientific fields. This quiz will help you understand the principles and fun
Key Topics:
- Centrifuge Basics
- Types of Centrifuges
- Applications in Laboratories
- Understanding Lyophilization
What is a centrifuge?
A machine that separates substances based on their density by spinning them at high speeds
A type of microscope
A device used for measuring temperature
A tool for cutting materials.
Which type of centrifuge is typically used in medical laboratories to separate blood samples?
Low speed centrifuge
High speed centrifuge
Ultra centrifuge
Lyophilizer.
What is the maximum speed that a low speed centrifuge can reach?
5,000 rpm
10,000 rpm
15,000 rpm
20,000 rpm.
Which type of centrifuge is used for separating particles with similar densities but different sizes?
Low speed centrifuge
High speed centrifuge
Ultra centrifuge
Lyophilizer.
What is the main difference between a high speed centrifuge and an ultra centrifuge?
The size of the rotor
The maximum speed they can reach
The type of sample they can process
The price.
How does a lyophilizer work?
By heating the sample to evaporate the water
By freezing the sample and then sublimating the ice
By using pressure to extract liquids from solids
By filtering the sample through a membrane.
Which type of centrifuge is typically used for purifying proteins and nucleic acids?
Low speed centrifuge
High speed centrifuge
Ultra centrifuge
Lyophilizer.
What is the main advantage of using an ultra centrifuge over a high speed centrifuge?
It can process larger volumes of sample
It is more affordable
It can separate particles with higher precision
It requires less maintenance.
Which type of centrifuge is typically used for separating viruses and subcellular organelles?
Low speed centrifuge
High speed centrifuge
Ultra centrifuge
Lyophilizer.
What is the purpose of balancing a centrifuge rotor?
To prevent damage to the machine
To ensure that the samples are evenly distributed during spinning
To increase the maximum speed of the centrifuge
To reduce noise.
How does a low speed centrifuge differ from a high speed centrifuge?
It spins at a lower speed
It has a smaller rotor
It is less expensive (all correct answers).
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