Class 6 Science Chapter 1 Notes- Food Where Does It Come From pdf download

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NCERT Class 6 Science Chapter 1 Notes

Notes of Ch 1 Food Where does it come from? , we study food, ingredients, food sources, Herbivorous, Carnivorous, Omnivorous etc.

All living beings need food for various purposes as given below:

• for their growth.
• to provide energy for doing work.
• for the repair and replacement of the damaged tissues.
• to provide immunity against diseases from infections.

Food

The components which we consume are called food. They provide nourishment to our bodies. Eg: – chapati, vegetables, milk, rice, butter, Bread Etc.

Ingredients.

There is a lot of food that we eat. These food items are made of some raw material. For Example, to prepare vegetable curry, we need different kinds of vegetables, salt, spices, oil, and so on. This raw material knows as Ingredients.

The component required to prepare any food item is called ingredients. For example, for cooking boiled rice we need raw rice and water so there are 2 ingredients.

Food item	Ingredients
Rotti / Chapati	Atta, Water
Dal	Pulses, water, salt, spice

Food material and sources

Food item

• Every day we eat different types of food.
• If a person does not get food, he/she feels weak.
• Different peoples/animals have different choices of food.
• People who live in the various states of India how a range of food to eat.

These food items come from various sources.

Sources

• Food items can be obtained from different sources
• These sources are divided into two categories
• Animal
• Plants
• There is a third category also which includes salt and water

Plant products and animal products as a food

Plant products

• The food item that we get from plants is called plant products.
• We eat different parts of different plants these parts are called edible parts. Edible parts of the plant are roots, stems, flowers and leaves etc.
• Mustard plants’ leaves are used as vegetables where as mustard seeds give us oil.

Animal product

• The food item that we get from animal product
• Food products like meat, eggs, milk, cheese, honey, butter and curd etc are taken by animals.
• we get eggs by chikan.
• we get milk from cow buffalo.

Different edible parts of plants

Parts of a plant that we eat:

• Leafy vegetables
• Fruits
• Roots
• Stems
• Flowers

some plants have multiple edible parts for example:

• Mustard plants (seeds for oil, leaves as vegetable)
• Banana plant (fruit, stem, flower bud)
• Carrots (root, leaves)
• Broccoli (flower buds, stems, leaves)
• Sweet potatoes (tubers, leaves)
• Coriander (leaves, seeds)
• Soybeans (seeds, leaves)
• Garlic (bulbs, leaves)

What do animals eat

Like human beings’ different animals also eat different types of food. For example, Buffalo eat grass, lions eat meat. So we learned that different living beings eat different kinds of food

• Choice of food is called food habit
• On the basis of food habits living Organisms are categorized into three categories.

Herbivorous

Herbivorous are those living beings which eat only plant produce. for example cows, buffalo, rabbits, etc eat grass so they are called herbivorous

Carnivorous

Carnivores are those living beings that eat only animal products. Carnivorous animals hunt other animals. for example, lions, wolf cheetahs,s, etc eat other animals so they are called carnivorous.

Omnivorous

Omnivores are those living beings which ate both plant and animal products. for example dogs, bears, foxes, etc eat both plants product and meat so they are called omnivorous.

Honey: Honey is a sweet liquid made by bees from the nectar of flowers. Honey is collected from beehives. It is used in cooking and also has medicinal value

key point

Ingredients– Ingredients are the things that are used to make a particular dish.

Edible– An editable item is any item that is safe to eat and which has nutrition.

Nectar– Nectar is a sweet liquid present in flowers that attract pollinating animals.

Sprouted seeds– Sprouts seeds that have germinated and become a very young plants. this germination process usually begins with seed being with seeds being soaked for several hours.

Summary

• There is a lot of Variation in the food eaten in different regions of India.
• The main source of our food is plant and animal.
• An animal which eats only plants is called a herbivore.
• An animal which eats only animals is called a carnivore.
• The animal which eats both plants as well as other animals is called an omnivore.

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