NCERT Solutions for Class 6 Science Chapter 1 Food: Where Does it Come From?

These NCERT Solutions for Class 6 Science Chapter 1 Food: Where Does it Come From? Questions and Answers are prepared by our highly skilled subject experts to help students while preparing for their exams.

Food: Where Does it Come From? NCERT Solutions for Class 6 Science Chapter 1

Class 6 Science Chapter 1 Food: Where Does it Come From? Textbook Exercise Questions and Answers

Question 1.
Do you find that all living beings need the same kind of food?
Answer:
No, different organisms eat different kinds of food. For example, animals such as buffalo and cow eat grass while human beings eat bread, rice, fruits and vegetables. In this way, we can say that different organisms eat different kinds of food.

Question 2.
Name five plants and their parts that we eat.
Answer:

Name of the plant	Parts that we eat
1. Carrot	Roots
2. Wheat plant	Seeds
3. Mustard plant	Seeds and leaves
4. Brinjal	Fruits
5. Lotus	Stem and leaf

Question 3.
Match the items given in column A with that in column B.
Answer:

Column A	Column B
1. Milk, curd, paneer, ghee	(a) eat other animals
2. Spinach, cauliflower, carrot	(b) eat plants and plant products
3. Lions and tigers	(c) are vegetables
4. Herbivores	(d) are all animals products

Question 4.
Fill up the blanks with the words given:
herbivore, plant, milk, sugarcane, carnivore

a. Tiger is a ………….. because it eats only meat.
Answer:
Tiger is a carnivore because it eats only meat.

b. Dear eats only plant products and so, is called …………..
Answer:
Dear eats only plant products and so, is called herbivore.

c. Parrot eats only ………….. products.
Answer:
Parrot eats only plant products.

d. The ………….. that we drink, which comes from cows, buffaloes and goats is an animal product.
Answer:
The milk that we drink, which comes from cows, buffaloes and goats is an animal product.

e. We get sugar from …………..
Answer:
We get sugar from sugarcane.

NCERT Extended Learning Activities and Projects

Question 1.
You must have seen a garden lizard around your home. Next time whenever you see it, observe carefully and find out what it takes for food. Is the food different from that of a house lizard?
Hint: Garden lizard feeds on crickets, moths, slaters, earthworms, grubs and caterpillars, grasshoppers, cockroaches, etc. House lizards eat flies, mosquitoes, small insects, etc.

Question 2.
Make a list (with pictures, when possible) of food items generally taken by people of different regions of India. Place these on a large outline map of India to display in your classroom.
Hint: Do it yourself.

Question 3.
Find out the names of plants that grow in water and which are eaten as food.
Hint: Some aquatic plants are used by humans as a food source. This includes wild rice, Chinese water chestnut, Indian lotus, water spinach, etc.

Question 4.
In Chapter 10, you will find out ways of measuring length of curved lines. In your mathematics classes you will learn to prepare bar graphs. After you learn these, try the following interesting project. Prepare some sprouts of moong as discussed in the chapter. Wash them in water everyday and drain all the water. Let them grow for a week until the whole of the seeds grow into young plants. Measure the lengths of the sprouts everyday using a string. Take care that they do not break. Prepare a bar graph of the number of sprouts having lengths in different ranges.
Hint: Do it yourself.

Activity 1

Objective: To list certain food items and mention their ingredients.
Materials Required: Various cooked dishes.
Procedure: Observe the procedure of cooking certain food items and guess the various ingredients.

Observations:

Food items (Dish)	Major ingredients
1. Boiled rice	Rice and water
2. Chapati	Atta and water
3. Curry	Vegetable, salt, spices, oil and water
4. Dal	Pulses, salt, spices, oil and water
5. Omelette	Eggs, salt, spices, iol/butter and water

Conclusion: The various food items or dishes which we eat daily are usually made up of more than one ingredient.

Sources of Food Ingredients: The main sources of food ingredients are:
i. Plants: We get ingredients like fruits, vegetables, grains, cereals, etc., from plants.
ii. Animals: We get milk, eggs and meat from animals. Milk products such as butter, ghee, cheese, etc., are widely used in different food items.

Photosynthesis: It is the process by which green plants use sunlight to make food from carbon dioxide and water. Oxygen is released in this process which is used by us for breathing. This food prepared by photosynthesis gets stored in various plant parts. Since plants can make their own food, they are called producers.

Edible: Anything that people can safely eat ‘ is described as edible.

Plant Parts as Food: Various plant parts such as roots, stem, leaves, flowers, fruits, etc., are edible and used by us as food.
i. Root: carrot, radish, sweet potato, etc.
ii. Stem: Potato, ginger, onion, garlic, etc.
iii. Leaves: Spinach, cabbage, lettuce, etc.
iv. Fruit: Apple, orange, mango, banana, etc.
v. Flower: Cauliflower, sunflower, etc.
vi. Seeds: Mustard, soybean, pea, pulses, etc.

Sprouts: When the seeds begin to germinate by developing tiny roots in the form of small white structures, they are called sprouts.

Activity 2

Objective: To make moong sprouted seeds.
Materials Required: A small cup of moong seeds, water and muslin cloth.

Procedure:

• Take a cup of moong seeds and soak them in water overnight.
• Take out the seeds and drain out the water.
• Wrap the seeds in wet muslin cloth and keep it for a day or two.

Observation: A small white structure growing out of the seeds is observed. This is the young plant (specifically the roots of the young plant). When the young plant appears, we say that the seed has sprouted.

Conclusion: Seeds can germinate under moist conditions are form sprouts which are highly nutritious.

• Nectar: The sweet juices produced by some flowers are called nectar.
• Honey: Honey is produced by honeybees from the nectar of flowers. They collect nectar, store it and convert it into honey in their beehives.

• Herbivores: Animals that eat only plants are called herbivores. Example: Deer, cow, goat, etc.
• Carnivores: Animals that eat only flesh of other animals are called carnivores. Example: Lion, tiger, etc.
• Omnivores: Animals that eat plants or plant products, as well as flesh of other animals are called omnivores. Example: Crow, humans, dogs, etc.

Class 6 Science Chapter 1 Food: Where Does it Come From? Additional Important Questions and Answers

Very Short Answer Type Questions

Question 1.
Name two plants where two or more parts are used as food.
Answer:
Mustard – seeds and leaves Pumpkin-fruits and flowers

Question 2.
Name two plants whose leaves are eaten as food.
Answer:
Spinach and lettuce.

Question 3.
Name two sugar producing plants.
Answer:
Sugarcane and sugar beet.

Question 4.
Can the ingredients of various food items have some common ingredients?
Answer:
Yes, they may have some common ingredients like water, sugar, salt, ghee and oil.

Question 5.
Give three examples of edible parts of plants.
Answer:
Root, fruits and leaves.

Question 6.
Which type of seeds gives more energy, sprouted seeds or normal seeds?
Answer:
Sprouted seeds give more energy than normal seeds.

Question 7.
Give an example of a non-green plant.
Answer:
Mushroom.

Question 8.
Name the ingredients in boiled rice.
Answer:
Rice and water.

Question 9.
What are sprouts?
Answer:
When the seeds begin to grow or germinate by developing tiny white roots, they are called sprouts.

Question 10.
What are the two common sources of most of the ingredients of food items?
Answer:
Plants and animals.

Question 11.
Give two examples of plants that give us oilseeds.
Answer:
Mustard plants and sunflowers.

Short Answer Type Questions

Question 1.
What do you understand by food?
Answer:
The edible substances eaten by humans and other animals to get energy for various activities for growth and development are called food.

Question 2.
Explain the importance of food for all living beings.
Answer:
Food provides energy to do various activities. It helps us in growth. It helps to repair and replace damaged parts of the body. It protects us from infections and diseases.

Question 3.
Explain the various sources of food items and ingredients with the help of examples.
Answer:
There are mainly two sources of ingredients of various food items.

1. Plants: Plants provide us fruits, vegetables, pulses, grains, cereals, etc.
2. Animals: Animals provides us milk, eggs, meat, etc.

Question 4.
How is cooking of food helpful?
Answer:
Cooking makes food eatable. It makes food items soft and easy to digest. It makes food tastier. It also kills the harmful germs present in raw food.

Question 5.
What do we get from bees? What is the value of honey as food item?
Answer:
Honey is produced by honeybees from the nectar of flowers. Extraction of honey from the beehives is carried out by honey extractors. Honey is rich in sugars, minerals and enzymes. It is a highly nutritious food and easily digestible too.

Question 6.
Describe how the milk which we get from cow actually comes from the plants.
Answer:
The animal’s food comes ultimately from the plants. This is because all the animals which give us various food products themselves eat plants or plant products. The milk comes from cows or buffaloes which eat grass or grains as food. Therefore, the milk which get from cows actually comes from the plants.

Question 7.
Define the term herbivores. Give examples.
Answer:
The animals which eat only plants or plant products are called herbivores. Cow, goat and buffalo are examples of herbivores.

Question 8.
Define the term carnivores. Give examples.
Answer:
The animals which eat other animals are called carnivores. Lion and tiger are examples of carnivores. Carnivores generally eat herbivores and other carnivores.

Question 9.
Define the term omnivores. Give examples.
Answer:
The animals which eat both the plants and animals are called omnivores. Cats, dogs and human beings are examples of omnivores.

Question 10.
How do plants make their own food?
Answer:
Plants make their own food, generally in leaves, with the help of sunlight, air and water. This process is called photosynthesis. Leaves are the kitchen of the plant. The chlorophyll in leaves traps the sunlight and uses it to make food. This process is called photosynthesis.

Question 11.
What are the food habits of people of southern region in India?
Answer:
The southern regions are closer to the sea and there is enough rainfall for production of rice. Hence the food items are mainly sea animals, fish and rice. Coconuts are also available in plenty and is used as an energy giving food.

Food items such as idli, sambhar and other preparations of rice, banana chips and coconut are famous in this region. People use coconut oil as medium for cooking.

Long Answer Type Questions

Question 1.
What are the characteristics of herbivores?
Answer:
a. Animals such as horse, cow, goat and buffalo are herbivores. They have wide blunt teeth and are able to pull plants off the ground. The grinding teeth are broad and strong for grinding grasses.

b. Animals such as cow, camel and buffalo fill their stomach with food without chewing. After a short time, they bring back the already swallowed food in the mouth for proper grinding which is called cuddling. This helps them in digesting hard plant products.

Question 2.
Make a flow chart for the preparation of chapati.
Answer:
Farmer cultivates the wheat crop → Ripened wheat is cut and transported to market → Flour mill buys wheat and grinds to make flour → Flour is brought from the market → Water and salt are added to flour to make dough → Dough is rolled into raw chapati → Chapati is cooked on the stove.

Question 3.
Make a flow chart depicting the preparation of honey.
Answer:
Nectar in flowers → Nectar is collected by honeybees → Stored in beehives → Converted into honey by honeybees → Honey is extracted from beehives.

Question 4.
What food materials come from animals?
Answer:
Animals give us food such as meat, fish, milk, eggs and honey.

1. Meat: We get meat from animals such as hen and goat.
2. Fish: Fishes may be of freshwater or seawater. The quality of food of both kinds of fish is good for health.
3. Milk: We get milk from animals such as cows. goat and buffalo. Milk is used to make products such as paneer, cheese, butter, curd and ghee.
4. Eggs: We get eggs from birds such as hen, goose and duck.
5. Honey: We get honey from the hives of honeybees. Honeybees prepare honey using nectar from flowers.

Question 5.
What food materials come from different parts of plants? Explain.
Answer:
We eat different parts of plants such as root, stem, leaf, flower, fruit and seed.

1. Root: Carrot, radish, turnip and beetroot are examples of roots that we eat.
2. Stem: Potato, ginger, sugarcane, onion and garlic are examples of stems that we eat. These are special stems that we eat.
3. Leaf: Lettuce, spinach, cabbage and mint are examples of leaves that we eat.
4. Flowers: Cauliflower, flowers of pumpkin and banana plants are examples of flowers that we eat. Cloves used as spice are dried flower buds.
5. Seeds: Cereals (e.g., rice, wheat and maize) and pulses (e.g., gram, moong and kidneys bean) are examples of seeds that we eat. Some other seeds such as cumin (Jeera) and fenugreek (methi) are used as spices. Cooking oil seeds include mustard, coconut, sunflower and sesame (til).

Picture-Based Questions

Question 1.
Draw and label the different parts of a plant.
Answer:

Question 2.
Connect the animals in the first row with the food they eat in the second row by an arrow.

Answer:

Question 3.
Observe the following figures and name the picture A and picture B. Which of these two has more food value?

Answer:
Picture A shows non-sprouted seeds of gram. Picture B shows sprouted seeds of gram. Sprouted seeds give more energy and vitamins. So, they have more food value.