Sterilization methods in Microbiology

Welcome to your Sterilization methods in Microbiology

What is sterilization in microbiology?

A) The process of cleaning surfaces

B) The complete elimination of all forms of microbial life

C) The reduction of microbial load

D) The process of disinfection

Which of the following is NOT a method of sterilization used in tissue culture?

A) Autoclaving

B) Filtration

C) Incineration

D) Freezing

What is the principle behind autoclave sterilization?

A) Dry heat application

B) Chemical exposureeam

C) High-pressure steam

D) Ultraviolet light

Which of the following statements is true regarding moist heat and dry heat sterilization?

A) Moist heat is less effective than dry heat.

B) Dry heat sterilization requires higher temperatures than moist heat.

C) Both methods kill microorganisms by the same mechanism.

D) Moist heat sterilization is only effective at low temperatures.

Why is sterilization important in the laboratory?

A) To enhance the growth of microorganisms

B) To prevent contamination of experiments

C) To reduce the cost of laboratory supplies

D) To increase the speed of ex

Which of the following is an example of chemical sterilization?

A) Autoclaving

B) Ethylene oxide gas

C) Boiling water

D) Incineration

Filtration sterilization is primarily used for which of the following?

A) Solid materials

B) Heat-sensitive liquids

C) Gaseous substances

D) All of the above

What is a key advantage of radiation sterilization?

A) It is the cheapest method available.

B) It can sterilize heat-sensitive materials.

C) It requires no special equipment.

D) It is the fastest method of sterilization.

Which sterilization method is most suitable for heat-sensitive materials?

A) Autoclaving

B) Dry heat sterilization

C) Ethylene oxide sterilization

D) Boiling

What is the primary mechanism by which moist heat sterilization kills microorganisms?

A) Oxidation of cellular components

B) Denaturation of proteins

C) Desiccation

D) Chemical reaction

Sterilization methods in Microbiology

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