This section is designed for students preparing for competitive examinations where precision, depth, and speed are essential. It focuses on the most frequently tested and high-yield concepts related to sterilization and disinfection, with strong emphasis on NCERT line-based understanding and exam-oriented practice.
In this section, you will study:
High-yield sterilization and disinfection methods
Tricky distinctions between sterilization, disinfection, and antisepsis
NCERT-based MCQs on physical and chemical sterilization
Assertion–reason and multi-statement questions
Common conceptual traps related to sterilizing agents
Selection of appropriate methods for specific materials
Previous year question patterns and exam-focused practice sets
The content is structured to improve accuracy, conceptual clarity, and exam temperament, helping students confidently tackle high-difficulty MCQs and theory-based questions in NEET and other competitive entrance examinations.
Build a competitive edge by mastering sterilization and disinfection through focused, exam-oriented preparation.
Q. What is the primary mechanism of action for chlorine as a disinfectant?
A.
Protein denaturation
B.
Nucleic acid synthesis inhibition
C.
Cell wall disruption
D.
Oxidation of cellular components
Solution
Chlorine acts as an oxidizing agent, damaging cellular components and leading to microbial death.
Correct Answer:
D
— Oxidation of cellular components