NCERT Class 12 Home Science Human Ecology and Family Sciences Part I: Chapter 5 — Food Safety 5
This chapter, "Food Safety," from NCERT's Class 12 Home Science textbook (Human Ecology and Family Sciences Part I), emphasizes the critical importance of food safety and quality for health, nutrition, and productivity. It explains how unsafe food leads to foodborne illnesses, citing statistics on diarrhea in young children and the broader public health and economic impacts. The chapter highlights the significance of food safety from home kitchens to large-scale food production and processing. It discusses how changing lifestyles, increased consumption of processed and pre-packaged foods, and complex food distribution systems elevate the risks of contamination. Furthermore, it touches upon factors like microbial adaptations and antibiotic resistance contributing to foodborne diseases, underscoring the need for robust food safety management systems. This chapter equips learners with knowledge about food standards, safety management, and potential career paths in food safety.
Quick info
| Board | CBSE / NCERT |
|---|---|
| Class | Class 12 |
| Subject | Home Science |
| Book | Human Ecology and Family Sciences Part I |
| Chapter | Chapter 5 — Food Safety 5 |
| Language | English |
| PDF type | NCERT Textbook |
| Session | CBSE 2026 |
| Reading time | 3 minutes |
| Word count | 473 |
Learning outcomes
- Explain the importance of food safety and quality issues.
- Understand the causes and impact of foodborne illnesses.
- Recognize national and international food standards.
- Comprehend the role of food safety management systems.
- Identify career opportunities in food safety.
Vocabulary
| Word | Meaning |
|---|---|
| Wholesome | Conducive to health and well-being; healthy. |
| Contaminated | Made impure or unwholesome by contact with or addition of something. |
| Adulterated | Made inferior or impure by adding something of poor quality. |
| Food-borne illnesses | Diseases caused by eating contaminated food. |
| Nutritional status | The condition of the body in relation to the intake and utilization of nutrients. |
| Processing | A series of operations to which a raw material is subjected to convert it into a finished product. |
| Microbial adaptations | Changes in microorganisms that allow them to survive and thrive in specific environments. |
| Antibiotic resistance | The ability of bacteria and other microorganisms to resist the effects of an antibiotic. |
The complete chapter text is read in the official NCERT PDF viewer below (streamed from ncert.nic.in). This page provides NCERT Help study material — summary, vocabulary, practice questions, and FAQs — not a full reproduction of the textbook.
Read chapter online
This PDF is loaded from the official NCERT website (ncert.nic.in). Use the page buttons below to read — download is disabled on NCERT Help.
Read page by page below. PDF is streamed from the official NCERT website — no download button on this page.
Practice questions
- Why is food safety considered a major public health concern globally? Answer: Food safety is a major public health concern because unsafe food leads to widespread foodborne illnesses, which can cause mortality, damage trade, and impede economic growth.
- List two factors that have increased the importance of food safety in recent times. Answer: Two factors are: changing lifestyles leading to more eating outside homes, and the increased demand for processed and packaged foods.
- What is the significance of food safety at the home level? Answer: At the home level, food safety ensures that the food consumed is wholesome and safe, preventing illness within the family.
- How can eating outside homes increase the risk of food contamination? Answer: In commercial settings, food is prepared in bulk by many people, increasing chances of contamination, and may be stored improperly if prepared many hours in advance.
Practice MCQs
Q1. Which survey in India reported a high number of children suffering from acute diarrhea?
Explanation: The National Family Health Survey, 2015–2016 stated that more than 9 lakh children less than five years of age suffered from acute diarrhea, highlighting the impact of foodborne illnesses.
Q2. Advancements in which areas have led to a variety of processed foods being manufactured?
Explanation: Advancement in technology and processing, coupled with higher per capita incomes and increased consumer demand, have led to the manufacturing of a variety of processed foods.
Q3. What is a consequence of unsafe food beyond mortality?
Explanation: Unsafe food can lead to mortality, but also damage trade and tourism, result in loss of earnings, unemployment, and litigation, impeding economic growth.
Q4. Which of the following is a factor contributing to the increasing incidence of food-borne microbial diseases?
Explanation: Microbial adaptations, antibiotic resistance, altered human susceptibility, and international traveling have all contributed to the increasing incidence of food-borne microbial diseases.
Q5. Why is the safety of pre-packaged individual spices and condiments a concern today?
Explanation: In today's world, pre-packaged individual spices and condiments are in demand, and their quality, like that of raw food stuff, is of public health concern and must be addressed.
Frequently asked questions
What is the primary role of food safety and quality?
Food safety and quality are essential determinants of health, nutritional status, and productivity of the population, ensuring that consumed food is wholesome and safe.
What are the consequences of consuming unsafe food?
Consuming unsafe food can lead to foodborne diseases, mortality, damage to trade and tourism, loss of earnings, unemployment, and litigation.
Why has food safety gained worldwide significance?
Food safety has gained significance due to increasing foodborne illnesses, changing lifestyles, the rise of processed foods, complex distribution chains, and global health concerns.
How do changing lifestyles affect food safety?
Changing lifestyles mean more people eat outside their homes, where food is prepared in bulk and handled by many, increasing contamination risks and potential spoilage if not stored properly.
What is the role of international standards in food safety?
International food standards play a crucial role in ensuring food quality and safety across borders, facilitating trade and protecting consumers globally.
What are food safety management systems?
Food safety management systems are frameworks and procedures designed to identify, assess, and control hazards associated with food production and handling to ensure safety.
Related resources
Important topics
Topics covered
NCERT Class 12 Home Science — Human Ecology and Family Sciences Part I — Chapter 5 — Food Safety 5. Verified by NCERT Help Editorial Team. Reviewed on 29 Jul 2026. Last updated 10 Aug 2026.