This section focuses on numerical, quantitative, and data-based problems related to sterilization efficiency and microbial control. It is designed for Class 11–12 students, NEET aspirants, and undergraduate learners to strengthen their ability to apply sterilization concepts using calculations and logical reasoning.
In this section, you will practice:
Numerical problems based on microbial death rate and survival curves
Calculations involving temperature, time, and sterilization efficiency
Data interpretation questions on autoclave performance
Graph-based problems on thermal death curves
Numerical analysis of disinfectant concentration and exposure time
Table- and chart-based questions related to sterilization outcomes
NCERT-aligned numerical questions and exam-oriented practice sets
The content is structured to improve step-by-step analytical skills, enhance data interpretation, and help students confidently handle numerical and logic-based questions in school examinations, NEET, and undergraduate assessments.
Develop speed, accuracy, and confidence in solving numerical applications related to sterilization and disinfection through systematic practice.
Q. How long should items be exposed to ethylene oxide gas for effective sterilization?
A.
1 hour
B.
4 hours
C.
8 hours
D.
12 hours
Solution
Items should be exposed to ethylene oxide gas for at least 8 hours for effective sterilization.
