NIOS Class 12 Home Science Important Questions (321) 2026 Full Preparation Guide

NIOS Class 12 Home Science 321 Important Questions 2026 – Chapter-Wise Objective Question Bank

Home Science is one of those subjects where students feel confident reading the chapters but then lose marks in the objective section because the options are all too close to each other. If you are preparing for NIOS Class 12 Home Science (Code 321) in 2026 and want chapter-wise objective questions from the Unnati Education booklet, you are in the right place. Sample questions are shared here with answers. For the complete solution booklet, call or WhatsApp Unnati Education at 9654279279 or 9899436384.

NIOS Class 12 Home Science (321) Important Questions – Quick Overview

What Are NIOS Class 12 Home Science 321 Important Questions for 2026?

Most students who study Home Science do fine with theory but underestimate how specific the one-mark objective questions actually are. You might know that adolescence is a transition period, but do you know the exact WHO age definition that NIOS uses? Or that pasteurisation and dehydration are two completely different preservation methods — and NIOS asks about both? The Unnati Education 321 booklet goes chapter by chapter through all 6 modules and 31 lessons with MCQs, fill-in-the-blank questions, and true or false statements built around the NIOS exam pattern. This page gives you a fair sample from each chapter so you can judge the level for yourself.

Module I – The Art and Science of Managing a Home

Lesson 2 – Ethics in Daily Life

Students who need NIOS Class 12 TMA for Home Science 321 can get solved assignments — typed or handwritten — from Unnati Education, ready for submission.

Ethics questions are surprisingly tricky because the options often mix genuine ethical behaviour with things that seem ethical on the surface. Bribery, disloyalty, and misuse of position are the specific unethical acts the lesson names, and these come up directly in MCQ format.

Sample Questions

The term "Ethics" primarily deals with: A. Political responsibilities B. Moral issues of right and wrong behaviour C. Legal obligations only D. Religious duties
Answer: B

Which behaviour is ethically wrong at a workplace? A. Politeness and patience B. Updating knowledge regularly C. Bribing an official to get work done D. Maintaining confidentiality
Answer: C

Fill in the Blank The most important component of any work situation is the __________ because only a human can think, analyse, and manage resources.
Answer: worker

Lesson 3 – Family Health and Security

The definition of family health used in NIOS goes beyond physical fitness — it means complete physical, mental, and social well-being of all family members. That broader definition is tested directly.

Sample Questions

Which of the following best defines family health? A. Physical fitness of the head of the family only B. Complete physical, mental, and social well-being of all family members C. Absence of disease only D. Annual health check-up of children
Answer: B

Fill in the Blank The main purpose of health insurance for a family is to provide __________ security against medical emergencies.
Answer: financial

Module II – Food and Nutrition

Lesson 5 – Meal Planning

Meal planning questions focus on why foods are classified into groups. The answer is straightforward — it simplifies the process of translating nutrient needs into daily food choices. The cereal group comes up often because it is the only group that provides both energy and fibre.

Sample Questions

Foods are divided into groups mainly to: A. Simplify the process of meal planning B. Avoid repetition of dishes C. Improve food taste D. Reduce nutrient content
Answer: A

The food group that provides both energy and fibre is: A. Fats and sugars B. Cereals, grains, and products C. Milk and milk products D. Fruits only
Answer: B

Lesson 6 – Nutritional Status

Sample Questions

The condition of health influenced by intake and utilisation of nutrients is known as: A. Nutritional balance B. Nutritional status C. Nutrient utilisation D. Food assimilation
Answer: B

Malnutrition refers to: A. Only lack of food B. Only excess of nutrients C. Both undernutrition and overnutrition D. Temporary hunger
Answer: C

Fill in the Blank When the body receives nutrients in excess of its requirements over time, the condition is called __________.
Answer: overnutrition

Students who want NIOS Class 12 Important Questions for all chapters of Home Science 321 with full solutions can get the complete 2026 booklet from Unnati Education.

Lesson 9 – Food Preservation

The boiling milk question catches a lot of students. Boiling destroys micro-organisms and delays souring — that is pasteurisation, not sterilisation. Removing moisture to preserve food is dehydration. Both come up in objective format every year.

Sample Questions

Food preservation means: A. Cooking food for taste B. Preventing food spoilage and keeping it fit for future use C. Selling food in air-tight packages D. Making food colourful and attractive
Answer: B

The process of boiling milk is an example of: A. Pasteurisation B. Dehydration C. Freezing D. Canning
Answer: A

Fill in the Blank The method of preserving food by removing moisture from it is called __________.
Answer: dehydration

Module III – Resource Management

Lesson 12 – Space Management

Sample Questions

Space organisation primarily means: A. Cleaning and decorating rooms B. Allotting space for an activity and arranging materials systematically C. Keeping furniture close together D. Decorating walls with colour
Answer: B

Fill in the Blank: Proper space management saves __________ and energy while performing household activities.
Answer: time

Lesson 13 – Income Management

Family income is not just cash — it includes goods and services too. That broader definition is what NIOS tests. Salary is money income. Free housing from an employer is real income. The distinction matters.

Sample Questions

Family income refers to: A. Only the money earned by the head of the family B. Money, goods, and services available to meet family needs C. All the money received from relatives and friends D. Only goods received as gifts
Answer: B

The salary received by a family member is an example of: A. Real income B. Money income C. Non-monetary income D. Capital income
Answer: B

Fill in the Blank The sum total of money income and real income available to a family is called __________ income.
Answer: family

Lesson 14 – Energy Conservation

Sample Questions

Energy can be best defined as: A. The ability to create matter B. The capacity for doing work C. The amount of light emitted D. The ability to generate heat
Answer: B

The main source of most natural energy on Earth is: A. Electricity B. Fire C. The Sun D. Wind
Answer: C

True or False Coal and petroleum are renewable sources of energy.
Answer: False

Lesson 15 – Environment Management

Students who need NIOS Class 12 Intext and Terminal Questions for Home Science 321 with answers can get the complete set from Unnati Education.

Sample Questions

Environment refers to: A. Only air and water surrounding us B. The living organisms in our surroundings C. All living and non-living things around us D. Only natural resources like forests and rivers
Answer: C

Environmental degradation means: A. A favourable change in surroundings B. An unfavourable change of our surroundings C. Natural growth of population D. Balanced ecological development
Answer: B

Lesson 16 – Household Equipment

Sample Questions

Equipment refers to: A. Any object that decorates the house B. Anything that helps us in doing work efficiently C. Only electrical machines D. Any expensive household item
Answer: B

Household equipment is broadly classified into: A. Electrical and electronic B. Manual and automatic C. Electrical and non-electrical D. Modern and traditional
Answer: C

Lesson 17 – Consumer Education

Sample Questions

A consumer is defined as: A. A person who sells goods and services B. A person who produces goods C. A person who buys goods and services to satisfy needs D. A person who invests money in a business
Answer: C

Consumer education means: A. Learning how to advertise products B. Learning when, where, what, how, and how much to buy C. Learning how to sell products for profit D. Learning the art of bargaining in markets
Answer: B

True or False Consumer education helps individuals avoid exploitation and make better purchasing decisions.
Answer: True

Module IV – Human Development

Lesson 19 – Growth and Development (6–11 Years)

The middle childhood period runs from 6 to 11 years. Growth spurt at 11–13 years is the next transition. Both facts are directly tested in MCQ format, and mixing up the age brackets is one of the most common exam mistakes.

Sample Questions

The period of middle childhood covers the age group of: A. 2–5 years B. 6–11 years C. 12–18 years D. 3–8 years
Answer: B

The sudden increase in height and weight during 11–13 years is called: A. Growth stop B. Growth spurt C. Bone strengthening D. Body maturity
Answer: B

Lesson 20 – Adolescence

This is probably the most-tested lesson in Module IV. WHO defines adolescents as those aged 10–19 years — not 12–18, not 11–18, and not any other range. NIOS uses the WHO definition. Getting this wrong in an MCQ costs a mark that could have been very easily secured.

Sample Questions

"Adolescence" is best defined as the period of development between: A. Birth and childhood B. Childhood and adulthood C. Adulthood and old age D. Childhood and old age
Answer: B

According to WHO, adolescents are people aged: A. 8–16 years B. 10–19 years C. 11–18 years D. 12–20 years
Answer: B

Fill in the Blank The physical changes that mark the beginning of adolescence, including development of secondary sexual characteristics, are collectively called __________.
Answer: puberty

True or False WHO defines adolescents as those between 10 and 19 years of age.
Answer: True

Lesson 21 – Concerns and Issues in Human Development

Sample Questions

"Juvenile delinquency" refers to: A. Acts of kindness by children B. Law-breaking behaviour by young people below legal age C. Emotional instability in children D. Working children under fourteen years
Answer: B

Which of the following is not a cause of discrimination against the girl child? A. Preference for male children B. Lack of parental affection C. Equal feeding and education D. Considering girls as a burden
Answer: C

Fill in the Blank Subjecting children to harmful work that interferes with their education and development is called child __________.
Answer: labour

Module V – Textile and Clothing

Lesson 24 – Fabric Construction

Students who want NIOS Class 12 question paper collections for Home Science 321 with full solutions across multiple years can get them from Unnati Education.

Sample Questions

The differences between various fabrics such as thickness, stiffness, or softness mainly depend on: A. Colour of dye used B. Method of fabric construction C. Type of sewing thread D. Size of the garment
Answer: B

Which of the following is not a method of fabric construction? A. Weaving B. Felting C. Knitting D. Braiding
Answer: D

Fill in the Blank The method of interlacing two sets of yarns at right angles to form a fabric is called __________.
Answer: weaving

Lesson 26 – Selection of Textiles and Clothing

Sample Questions

Which of the following fibre types gives a fabric a smooth and shiny appearance? A. Wool B. Cotton C. Filament fibres D. Staple fibres
Answer: C

Cotton fabrics are most comfortable during summer because they: A. Do not absorb sweat B. Absorb perspiration and allow heat to escape C. Reflect sunlight D. Are poor conductors of heat
Answer: B

Lesson 27 – Care and Maintenance of Clothing

Laundering is often answered incorrectly because students think it only means washing. The full definition includes washing, drying, and finishing. That three-part answer is what NIOS expects.

Sample Questions

The term "laundering" refers to: A. Only washing clothes with water B. Washing and drying of clothes only C. Washing, drying, and finishing of clothes D. Cleaning with solvents
Answer: C

Fill in the Blank The process of removing stains from clothes using solvents instead of water is called __________.
Answer: dry cleaning

Module 6A – Housekeeping (Optional Module)

Lesson 29A – Cleaning and Cleaning Materials

Sample Questions

Cleaning can be defined as: A. Arranging articles neatly B. Removing dust, dirt, and undesirable materials C. Washing only with detergents D. Disinfecting drains only
Answer: B

Which of the following is not a result of irregular cleaning? A. Spread of insects and diseases B. Improved hygiene C. Dirty, uncomfortable surroundings D. Risk of asthma and bronchitis
Answer: B

Lesson 30A – Maintenance of Premises

Sample Questions

Which of the following is the most important reason for maintaining premises regularly? A. To improve decoration only B. To prevent permanent damage and ensure hygiene C. To change materials frequently D. To keep costs low
Answer: B

Painted walls should be cleaned by: A. Scrubbing vigorously with coarse brushes B. Using strong chemical solvents C. Sponging with warm water and detergent from top to bottom D. Applying sandpaper to remove stains
Answer: C

Lesson 31A – Aesthetics at Home

Sample Questions

The main purpose of aesthetics at home is to: A. Keep expensive items on display B. Create a welcoming, harmonious, and comfortable environment C. Fill every space with decorative items D. Match all furniture in one colour
Answer: B

Fill in the Blank The principle in home decoration where all elements of a room work together pleasingly is called __________.
Answer: harmony

Module 6B – Creative Hand Embroidery (Optional Module)

Lesson 29B – The Design

Sample Questions

A design in embroidery can be best defined as: A. An idea drawn without planning B. A plan or drawing made to show appearance before creation C. Any random decorative line on fabric D. A machine-generated pattern only
Answer: B

Fill in the Blank A design that uses regular shapes like squares, triangles, and circles is called a __________ design.
Answer: geometrical

Lesson 30B – Colour

The primary colour question appears almost every year. Red, yellow, and blue are primary — not orange, green, and purple. Mixing blue and yellow gives green. Mixing two primary colours gives a secondary colour. These three facts together cover most of what NIOS asks from this lesson.

Sample Questions

Which three colours are known as the primary colours? A. Orange, green, purple B. Red, yellow, blue C. Red, orange, yellow D. Blue, green, purple
Answer: B

The colour formed by mixing blue and yellow in equal quantities is: A. Green B. Orange C. Purple D. Red
Answer: A

Fill in the Blank Secondary colours are formed by mixing two __________ colours in equal quantities.
Answer: primary

Lesson 31B – Embroidery Stitches

Sample Questions

Which stitch should always be used to begin any embroidery work? A. Running stitch B. Back stitch C. Chain stitch D. Stem stitch
Answer: B

Why should embroidery never be started with a knot? A. It spoils the thread colour B. It weakens the stitch C. It makes the back of the fabric untidy D. It loosens easily
Answer: C

Fill in the Blank The stitch used to outline designs and create the appearance of a twisted rope or stem is called the __________ stitch.
Answer: stem

Most Repeated Topics in NIOS Home Science 321 Exams

Common Mistakes Students Make While Preparing Home Science 321

• Writing 12–18 years for adolescence when the WHO definition NIOS uses is 10–19 years.
• Confusing malnutrition with undernutrition — overnutrition is equally a form of malnutrition.
• Writing that laundering means washing only — it includes drying and finishing as well.
• Treating family income as only cash — real income (goods and services) counts too.
• Mixing up pasteurisation and sterilisation — mild heating to kill harmful organisms is pasteurisation.
• Writing that environmental degradation is a natural process — the lesson defines it as damage caused primarily by human activity.
• Saying secondary colours need three primary colours — they need exactly two.

About Unnati Education

Unnati Education has been with NIOS students since 2010. The Home Science 321 booklet covers every lesson across all 6 modules — including both optional sections 6A and 6B — with correct answers and clear explanations. We know the chapters NIOS tests most often, and everything in the booklet is built around that. Solved TMAs, previous year papers, and chapter-wise notes are all available and updated for both the April and October 2026 exam cycles.

How to Get the Complete Solutions

For the full NIOS Class 12 Home Science 321 important questions booklet with complete solutions for 2026, or for previous year papers, solved TMAs, or chapter-wise notes, reach out to Unnati Education.

Phone and WhatsApp: 9654279279 or 9899436384 Website: unnatieducations.com/nios

Frequently Asked Questions

Q1. Are these NIOS Class 12 Home Science 321 important questions enough for the 2026 exam?

These chapter-wise questions cover the most important objective topics from all 6 modules, including food and nutrition, resource management, human development, textiles, and both optional modules. For the complete solution booklet with detailed answers for every chapter, contact Unnati Education.

Q2. Where can I download the NIOS Home Science 321 important questions PDF for 2026?

Unnati Education provides a complete NIOS Home Science 321 important questions PDF with MCQs, fill-in-the-blank questions, and true or false questions from all chapters, with full answers and explanations. Contact our team shares the material directly with you without any delay.

Q3. Does the booklet cover both Module 6A and Module 6B for Home Science 321?

Yes, the Unnati Education booklet covers objective questions for both optional modules — Module 6A on housekeeping, cleaning, maintenance, and aesthetics, and Module 6B on embroidery design, colour theory, and stitches. You get questions for the module you have selected. Reach us at 9654279279 or 9899436384 for your complete 2026 booklet.

Q4. Can I get previous year question papers for NIOS Home Science 321 from Unnati Education?

Yes, Unnati Education provides previous year question papers with complete solutions for NIOS Home Science 321. These papers show how objective and short-answer questions are framed, which nutrition and development topics appear most often, and what the exam actually expects in each section. Call or WhatsApp at 9654279279 or 9899436384.

Q5. Is the Unnati Education booklet valid for both April and October 2026 NIOS Home Science exams?

Yes, the Unnati Education booklet for NIOS Home Science 321 is fully valid for both the April and October 2026 exam cycles. All content follows the current NIOS syllabus and is reviewed throughout the year. Whichever cycle you are sitting for, the booklet prepares you well for the objective and concept-based sections of your Home Science paper.