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Chapter 6 of 10
NCERT Solutions

Happy and Healthy Living

CBSE · Class 4 · EVS

NCERT Solutions for Happy and Healthy Living — CBSE Class 4 EVS.

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Activity 2 — The Journey of a Grain

1Put a tick (✓) on the elements that assist a grain in its journey.

| Soil | Stone | Air | Wood | Water | Tiger |
| Farmer | Earthworm | Hills | Fire | Insect | Bat |
Show solution
Elements that assist a grain in its journey are ticked below:

| Soil ✓ | Stone | Air ✓ | Wood | Water ✓ | Tiger |
| Farmer ✓ | Earthworm ✓ | Hills | Fire | Insect | Bat |

Explanation:
- Soil provides nutrients and a base for the seed to grow.
- Air (sunlight and wind) helps in pollination and photosynthesis.
- Water is essential for germination and growth of the plant.
- Farmer sows, tends, and harvests the grain.
- Earthworm loosens the soil and makes it fertile.

Stone, Wood, Tiger, Hills, Fire, Insect, and Bat do not directly assist a grain in its journey from seed to plate.

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Write — Role of Farmers and Missing Elements

1What is the role of farmers in this process?Show solution
Role of Farmers in the Journey of a Grain:

Farmers play the most important and central role in the journey of a grain. Their roles include:
1. Preparing the soil — They plough and till the land to make it ready for sowing.
2. Sowing seeds — They plant the seeds in the prepared soil at the right time and season.
3. Watering the crops — They irrigate the fields regularly so that the plants get enough water.
4. Applying fertilisers and manure — They enrich the soil with nutrients to help the crops grow well.
5. Protecting the crops — They protect the crops from pests, insects, and diseases.
6. Harvesting — They cut and collect the ripened grain from the fields.
7. Threshing and storing — They separate the grain from the stalks and store it safely.

Without the hard work of farmers, no grain would reach our plate.

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2List out the missing elements in the table above (elements that also assist a grain in its journey but were not ticked).Show solution
Missing elements that also assist a grain in its journey (not already ticked in the table) include:

1. Sunlight — Provides energy for photosynthesis, helping the plant make food and grow.
2. Cattle / Bullocks — Used by farmers to plough the fields.
3. Insects (Bees) — Help in pollination of flowering plants.
4. Shopkeeper / Trader — Buys grain from farmers and sells it to consumers.
5. Cook / Family members — Clean, cook, and prepare the grain into food that reaches our plate.

*(Note: From the given table options, Air and Water were missing ticks and should be ticked. Among the listed options, Insect can assist through pollination and should be considered.)*

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Write — Roles of Different Elements in the Journey of a Grain

aSoil: What is the role of soil in the journey of a grain?Show solution
Role of Soil:
Soil provides the base and nutrients needed for a seed to germinate and grow into a plant. It holds the roots firmly, supplies minerals and organic matter, and retains moisture that the plant needs to survive and produce grain.

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bWater: What is the role of water in the journey of a grain?Show solution
Role of Water:
Water is essential for the germination of seeds. It helps the plant absorb nutrients from the soil, supports photosynthesis, and keeps the plant healthy and alive. Without water, the seed cannot sprout and the plant cannot grow.

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cFarmer: What is the role of the farmer in the journey of a grain?Show solution
Role of the Farmer:
The farmer prepares the soil, sows the seeds, waters and fertilises the crops, protects them from pests, harvests the ripened grain, and sends it to the market. The farmer's hard work and dedication are the foundation of the entire process.

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dCattle: What is the role of cattle in the journey of a grain?Show solution
Role of Cattle:
Cattle (like bullocks and cows) help farmers plough and till the fields, making the soil loose and ready for sowing. Their dung is used as natural manure (compost) to enrich the soil with nutrients, which helps the crops grow better.

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eShopkeeper: What is the role of the shopkeeper in the journey of a grain?Show solution
Role of the Shopkeeper:
The shopkeeper buys grain from farmers or wholesalers and sells it to families and consumers. The shopkeeper acts as a link between the producer (farmer) and the consumer (family), making the grain available in local markets and shops.

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fFamily members: What is the role of family members in the journey of a grain?Show solution
Role of Family Members:
Family members, especially the cook at home, clean, wash, and cook the grain to prepare nutritious meals. They decide what to cook, serve the food, and ensure that nothing is wasted. They are the final link in the journey that brings the grain to our plate as a delicious meal.

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gAny other: Name any other element and describe its role in the journey of a grain.Show solution
Any Other Element — Sunlight:
Sunlight provides the energy needed for photosynthesis. The green leaves of the plant use sunlight, water, and carbon dioxide to make food for the plant. Without sunlight, the plant cannot grow and produce grain.

Earthworm:
Earthworms loosen and aerate the soil by burrowing through it. This makes the soil soft and fertile, allowing roots to grow easily and water to seep in. They are called 'friends of the farmer' for this reason.

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Activity 3 — Thank You Everyone!

1Whom would you like to thank for the food you eat? Please write your answers.Show solution
I would like to thank the following people and elements for the food I eat:

1. Farmers — for their tireless hard work in growing the crops in all kinds of weather.
2. Earthworms and soil — for keeping the soil fertile and healthy.
3. Sun and Rain — for providing sunlight and water that help crops grow.
4. Cattle — for helping plough the fields and providing manure.
5. Truck drivers and transporters — for carrying the grain from farms to markets.
6. Shopkeepers and vendors — for making food available near our homes.
7. My mother / family members — for cooking delicious and nutritious meals with love and care.
8. Nature — for providing all the resources needed to grow food.

I am truly grateful to everyone involved in this long and wonderful journey that brings food to my plate.

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Discuss — Mindful Eating

1What role does your tongue play in this process of mindful eating?Show solution
Role of the Tongue:
The tongue plays a very important role in mindful eating:
- It helps us feel the texture and surface of the food (whether it is smooth, rough, hard, or soft).
- It helps us taste the flavour of the food — whether it is sweet, salty, sour, bitter, or spicy.
- It moves the food around inside the mouth so that the teeth can chew it properly.
- It helps us swallow the food by pushing it towards the throat.

Thus, the tongue is our main organ for tasting and feeling food.

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2What do your teeth do to the food?Show solution
Role of Teeth:
Teeth help in the process of chewing (also called mastication):
- The front teeth (incisors) cut and bite the food into smaller pieces.
- The canine teeth help in tearing the food.
- The back teeth (molars and premolars) grind and crush the food into a fine paste.

By breaking the food into tiny pieces, teeth make it easier for the stomach to digest the food. Chewing well is the first and most important step of digestion.

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3What happens to the food inside your mouth during this process of mindful eating?Show solution
What Happens to Food Inside the Mouth:

When we eat mindfully and chew slowly, the following things happen inside the mouth:
1. The teeth cut, tear, and grind the food into smaller and smaller pieces.
2. Saliva (produced by salivary glands) mixes with the food. Saliva contains enzymes that begin the process of digestion — it starts breaking down starchy foods.
3. The tongue moves the food around, mixes it with saliva, and helps form a soft, moist ball called a bolus.
4. The food becomes soft and easy to swallow.
5. We experience the taste, flavour, and texture of the food fully.

Thus, the mouth is where digestion begins, and mindful eating helps us enjoy and digest food better.

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Write — Valuing Food

1What will you do if someone offers you food more than you need?Show solution
Answer:
If someone offers me food more than I need, I will politely say, 'No, thank you. I have had enough.' I will take only as much food as I can eat so that nothing is wasted. I know that every grain of food is precious and is the result of a farmer's hard work, so I will never take more than I need.

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2What will you do if you do not like a food item on your plate?Show solution
Answer:
If I do not like a food item on my plate, I will still try to eat a little of it, because it may be nutritious and good for my health. I will not waste it. If I truly cannot eat it, I will politely tell the person serving me beforehand so that they do not put it on my plate. I will remember that wasting food is disrespectful to the farmer and everyone who worked hard to bring it to my plate.

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Write — Enjoy Sports (Identify Activities)

1Look at the picture and identify the activities people are engaged in. (Picture-based activity)

Discuss — Physical Activities

1Which physical activities do you do in your daily life?
2How do you feel on a day when you play a lot?

Find Out — Games in Pictures

1Can you name the games depicted in the pictures? (img_9, img_10, img_11, img_12)

Discuss — Sleep Well Too!

1Think about a day when you exercised or played a lot. What do you think would happen if you did not sleep well after that?
2Discuss: Why do you think our body needs rest?
3Discuss: Do you think it is important to rest after a busy day of exercise and play? Why?

Write — Feeling Safe

1What would you do if someone's touch made you feel uncomfortable?
2If you face an unsafe situation, who would you tell?
3List two situations where you would firmly say 'No'.

Let Us Reflect

1If the following are missing, what would happen to a food grain?

Elements: Soil, Water, Sunlight
Animals: Cattle, Earthworm
People: Farmer, Shopkeeper, Cook
2Design your own favourite plate of balanced diet with the food items you like. (Remember we should not waste food.)

| Breakfast plate | Lunch plate | Dinner plate |
3Which activities did you enjoy during your 'mindful eating'?
4How can you keep your body strong? Write down the names of the exercises and games you would practice.

Exercises:
Games:
5Which habits would you practice daily? Indicate your plans.

| Activity | Your plan |
|---|---|
| Wake up early | |
| Yoga and exercises | |
| Eat a balanced diet on time | |
| Exercise and play | |
| Less use of TV and mobile | |
| Read a book | |
| Sleep peacefully | |

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Frequently Asked Questions

What are the important topics in Happy and Healthy Living for CBSE Class 4 EVS?
Happy and Healthy Living covers several key topics that are frequently asked in CBSE Class 4 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Happy and Healthy Living — CBSE Class 4 EVS?
Understand the core concepts first, then work through the 42 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
Where can I get free NCERT Solutions for Happy and Healthy Living Class 4 EVS?
This page has free step-by-step NCERT Solutions for every exercise question in Happy and Healthy Living (CBSE Class 4 EVS) — written the way examiners award marks: given, formula, working, answer.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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