NCERT Class 12 Home Science Human Ecology and Family Sciences Part I: Chapter 2 — Work, Livelihood and Career
This chapter, "Work, Livelihood and Career," from NCERT's Human Ecology and Family Sciences Part I for Class 12, emphasizes the profound significance of food beyond mere biological necessity. It highlights food's role in cultural identity, social practices, and creativity, while underscoring its impact on health, growth, and disease resistance. The text explains that nutrition is crucial throughout life, influencing well-being and quality of life from before birth. It addresses the widespread issue of malnutrition in India, including undernutrition and the growing problem of overnutrition leading to diseases like obesity, heart disease, and diabetes. The chapter stresses the importance of trained professionals like dietitians and nutritionists in managing health and public nutrition issues. It also points out the potential of India's food processing industry as a 'sunrise sector' due to high production and foreign investment, driven by increasing demand for processed foods.
Quick info
| Board | CBSE / NCERT |
|---|---|
| Class | Class 12 |
| Subject | Home Science |
| Book | Human Ecology and Family Sciences Part I |
| Chapter | Chapter 2 — Work, Livelihood and Career |
| Language | English |
| PDF type | NCERT Textbook |
| Session | CBSE 2026 |
| Reading time | 3 minutes |
| Word count | 473 |
Learning outcomes
- Understand the multifaceted role of food in life, beyond biological needs.
- Recognize the importance of nutrition for health, growth, and disease prevention.
- Identify causes and consequences of malnutrition, including undernutrition and overnutrition.
- Appreciate the role of trained professionals in nutrition and dietetics.
- Analyze the potential and growth of the food processing industry in India.
Vocabulary
| Word | Meaning |
|---|---|
| Biological necessity | Basic requirement for survival of living organisms. |
| Cultural identity | Sense of belonging to a group based on shared customs, traditions, and values. |
| Hospitality | Friendly and generous reception and entertainment of guests, visitors, or strangers. |
| Nutritious | Providing the food necessary for health and growth. |
| Wholesome | Conducive to well-being; healthy. |
| Malnutrition | Lack of proper nutrition, caused by not having enough food or not eating the right food. |
| Undernourished | Having received too little food or too few nutrients. |
| Overnutrition | Excessive intake of nutrients, often leading to obesity and related diseases. |
| Obesity | The condition of being excessively overweight. |
| Hypertension | High blood pressure. |
| Dietitians | A person qualified to advise on the matters of the diet and nutrition. |
| Food processing industry | The sector involved in transforming raw agricultural products into food products or one food product into others. |
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Practice questions
- Besides being a biological necessity, what other roles does food play in our lives? Answer: Food contributes to cultural identity, is part of social and religious practices, enables creativity, and symbolizes hospitality, status, and power.
- Why is knowledge about food and nutrition essential? Answer: It is essential because nutritious food nourishes the body, promotes growth, enables optimal functioning, builds resistance to infection, and influences overall health and quality of life.
- What are the consequences of incorrect knowledge or inadequate access to food? Answer: Incorrect knowledge or inadequate access can lead to malnutrition, including undernutrition (not enough food) and overnutrition (eating too much or wrong food choices), resulting in health problems.
- What health problems are associated with overnutrition? Answer: Health problems associated with overnutrition include obesity, heart disease, hypertension, and diabetes.
- What is the significance of the food processing industry in India? Answer: It is termed a 'sunrise sector' due to less production cost, high foreign direct investment, and increasing demand for ready-to-eat and processed foods driven by socio-economic and cultural changes.
Practice MCQs
Q1. Which of the following is NOT mentioned as a role of food beyond biological necessity?
Explanation: The text highlights food's role in cultural identity, hospitality, and social practices, but not scientific research.
Q2. What is the primary source of nutrients for the body?
Explanation: The chapter explicitly states that food is the source of nutrients required for all internal and external bodily processes.
Q3. In India, which type of nutritional issue is gradually increasing?
Explanation: The text mentions that while undernutrition has been high, the prevalence of overnutrition is gradually increasing in recent years.
Q4. Which of the following is a health problem associated with overnutrition?
Explanation: Obesity, heart disease, hypertension, and diabetes are listed as health problems resulting from overnutrition.
Q5. Who are the professionals required to advise on diet and nutrition?
Explanation: The chapter specifies that trained dietitians/medical nutrition therapists are needed to provide advice on diet and nutrition.
Q6. Why has the food processing industry been termed the 'sunrise sector' of the Indian economy?
Explanation: The text attributes this term to lower production costs compared to other countries and significant foreign direct investment.
Frequently asked questions
What is the main message of the chapter 'Work, Livelihood and Career' regarding food?
The chapter emphasizes that food is more than just a biological necessity; it plays crucial roles in cultural identity, social practices, and overall health and well-being.
Why is nutrition important throughout a person's life?
Nutrition influences health, well-being, and quality of life from before birth and affects an individual's health throughout their entire lifespan.
What are the two main types of malnutrition discussed?
The two main types discussed are undernutrition (lack of adequate food) and overnutrition (excessive intake or wrong food choices).
What health conditions can arise from overnutrition?
Overnutrition can lead to health problems such as obesity, heart disease, hypertension, and diabetes.
What is the role of trained professionals in the field of nutrition?
Trained dietitians, medical nutrition therapists, and public health nutritionists are essential for advising individuals and communities on diet, managing health problems, and tackling public nutrition issues.
Why is India's food processing industry considered a 'sunrise sector'?
It is considered a sunrise sector due to its lower production costs, high foreign direct investment, and the growing demand for processed and ready-to-eat foods.
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NCERT Class 12 Home Science — Human Ecology and Family Sciences Part I — Chapter 2 — Work, Livelihood and Career. Verified by NCERT Help Editorial Team. Reviewed on 29 Jul 2026. Last updated 10 Aug 2026.