This section highlights the practical and real-world applications of sterilization and disinfection methods in healthcare, laboratories, industries, and daily life. It is designed for Class 11–12 students, NEET aspirants, and undergraduate learners to connect theoretical principles with practical implementation.
In this section, you will study:
Application of sterilization in hospitals and healthcare facilities
Use of disinfection methods in laboratories and research settings
Role of sterilization in surgical procedures and medical devices
Application of antiseptics and disinfectants in wound care
Use of sterilization in pharmaceutical and food industries
Importance of sterilization in public health and sanitation
Selection of appropriate methods based on material and purpose
NCERT-based application questions and real-life examples
The content is structured to enhance application-based understanding, strengthen decision-making skills, and help students confidently handle real-world and case-based questions in school examinations, NEET, and undergraduate assessments.
Understand how sterilization and disinfection principles are applied to ensure safety, hygiene, and infection control across medical and everyday environments.
Q. What is the minimum effective concentration of alcohol for disinfection?
A.
50%
B.
70%
C.
90%
D.
100%
Solution
The minimum effective concentration of alcohol for disinfection is typically around 70%, as it allows for better penetration and efficacy.
Q. Which of the following methods is NOT typically used for sterilization?
A.
Autoclaving
B.
Dry heat
C.
Chemical disinfection
D.
Filtration
Solution
Chemical disinfection is used to reduce microbial load but does not guarantee the elimination of all microorganisms, thus it is not a sterilization method.
