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Key Concepts: Food - Where does it Come from? | Science Class 6 PDF Download


Food that we eat comes from many sources. This food is crucial in determining the health of our body. 

Key Concepts: Food - Where does it Come from? | Science Class 6

Hence, care needs to be taken to eat the right kind of food. Some of the resources from where we can obtain different types of food materials are:

  • Fruits from plants
  • Vegetables and legumes from plants
  • Fish, lean meat, eggs, poultry from animals
  • Pulses, whole grains, Cereals from plants
  • Milk and its derivatives such as – curd, butter, cheese, cottage cheese, clarified butter from animals, etc.

Food Variety

The component that we consume and provides nourishment to the body, is called food. Food is essential for every living organism.
Example: Rice, chapati, curry, fruits, vegetables, cheese, bread, milk, curd, butter, etc. 

Ingredients: Substances or materials that are required to prepare a dish are called Ingredients.
Example: Atta (flour) and water are the two ingredients required to make a chapatti.

Preparation of DoughPreparation of Dough

Food Materials and Sources

  • Plants are one of the primary sources of food. Almost all parts of a plant are edible such as leaves, fruits, seeds, stems, flowers, and roots.
  • Some plants have two or more edible parts such as mustard. Mustard seeds yield oil, its leaves are used to make food.
    Food ItemsFood Items
  • Some seeds are sprouted to be consumed. Nectar from flowers is collected by bees which are later converted to honey and stored in their hives and finally extracted by us.
  • Food materials such as milk, eggs, lean meat, and fish are obtained from animals.
  • Cheese and butter are animal products as they are obtained from milk. Milk is processed with the action of bacteria for the formation of curd. Further processing yields clarified butter and so on.
  • Flour is obtained from the wheat plant. Flour is used widely in the baking industry to make bread, cakes, pastries, puffs, biscuits, etc.
  • Food from animals is rich in proteins and vitamins.

Key Concepts: Food - Where does it Come from? | Science Class 6

Question for Key Concepts: Food - Where does it Come from?
Try yourself:Which of these ingredients is not obtained from plants or animals?
View Solution
 

Plant Parts as Food

Some examples of edible plant parts are shown below:

  • Roots: Beets, carrots, radishes, turnips, ginger.
  • Stems: Broccoli stem, bamboo shoots, sugar cane, potato.
  • Leaves: Spinach, lettuce, etc.
  • Fruits: Apple, pear, tomatoes, grapes, cherries, oranges.
  • Edible Flowers: Broccoli heads, cauliflower heads.
  • Seeds: Sunflower seeds.
    Key Concepts: Food - Where does it Come from? | Science Class 6

Question for Key Concepts: Food - Where does it Come from?
Try yourself:Which part of a mustard plant is edible?
View Solution
 

What do Animals Eat?

Key Concepts: Food - Where does it Come from? | Science Class 6

Animals are categorized based on their eating habits into herbivores, carnivores, and omnivores.

1. Herbivores are animals that eat only plants and plant products.
Examples: Cows, goats, deer, giraffe etc.

Cow: HerbivoreCow: Herbivore

2. Carnivores are animals who eat meat. They only consume the meat of other animals.
Examples: Lions, tigers, vultures, etc.

Cheetah: CarnivoreCheetah: Carnivore

3. Omnivores are animals that feed on both plants and other animals are called omnivores.
Examples: Humans, bears etc.

Black bear: OmnivoreBlack bear: Omnivore


Questions for you

Q1. How are scavengers different from carnivores since both eat flesh? Give two examples of carnivores and scavengers.
Ans: Carnivores and scavengers both feed on the flesh of other animals; however, carnivores hunt their prey, whereas scavengers do not kill other animals. They feed on already dead animals.
Examples:
Carnivores - Lion, Tiger
Scavengers - Prawns, Vultures


Q2. Name some plants which have two or more edible parts.
Ans:

Key Concepts: Food - Where does it Come from? | Science Class 6


Q.3. Give an example of a plant where one or more parts of it are consumed as food.
Ans: Seeds and leaves of the mustard plant are consumed.


Q.4. 
 Name an edible non-green plant.

Ans: Mushroom 


Q.5. Can you think of a plant that is consumed as food and grows in the water?

Ans: We consume the stem of the lotus plant. 

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FAQs on Key Concepts: Food - Where does it Come from? - Science Class 6

1. What are some examples of food materials and sources?
Ans. Food materials and sources can be both plant-based and animal-based. Examples of plant-based food materials and sources include fruits, vegetables, grains, nuts, and legumes. Animal-based food materials and sources include meat, fish, dairy products, and eggs.
2. Which parts of a plant can be used as food?
Ans. Different parts of plants can be used as food. For example, roots such as carrots and beets, stems such as celery and asparagus, leaves such as lettuce and spinach, and flowers such as broccoli and cauliflower can all be consumed. Additionally, fruits and seeds such as apples and nuts, respectively, are also plant parts that can be eaten.
3. What is food variety and why is it important?
Ans. Food variety refers to consuming a diverse range of foods from different food groups. It is important because it ensures that the body receives different nutrients and minerals needed for optimal health. Consuming a variety of foods also helps to prevent boredom with meals and can make healthy eating more enjoyable.
4. What do animals eat in the wild?
Ans. Animals in the wild eat a variety of foods depending on their species and habitat. Herbivores such as deer and elephants consume plants, while carnivores such as lions and wolves eat other animals. Omnivores such as bears and raccoons eat both plants and animals. Some animals also have specialized diets, such as pandas that predominantly eat bamboo.
5. How can individuals ensure they are getting a balanced and varied diet?
Ans. Individuals can ensure they are getting a balanced and varied diet by consuming foods from all food groups, which includes fruits, vegetables, grains, protein, and dairy. It is recommended to eat a variety of colors, textures, and types of foods within each food group to ensure a diverse range of nutrients. Planning meals ahead of time and experimenting with new recipes can also help to increase food variety.
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