KEYWORDS
Chapter.1-FOOD:
WHERE DOES IT COME FROM- 30 MAY 2020
FOOD AND ITS TYPE
- Food
Anything which we eat to live is called food. Food
provides matter for the growth of our body and energy to
do work and remain healthy.
Different types of food:
We eat a variety of foods like rice, vegetables, eggs,
butter, cheese, etc. Preparation of food served as part of a meal is
called dish. Any of the foods or substances which are combined to
make a particular dish is called ingredients.
Food items and their ingredients:
Food items are made by using many ingredients.
For example, vegetable curry is made by using many
ingredients like different types of vegetables, salt, spices, oil, and water;
kheer is made by using rice, milk, sugar and water.
Some common food items and their Ingredients
|
Food items(Dish)
|
Ingredients
|
|
Boiled rice
|
Rice, Water
|
|
Chapati (Roti)
|
Flour (Atta), Water
|
|
Dal
|
Pulses, Salt, Spices, Oil, Water
|
|
Idli
|
Rice, Urad dal, Salt, Water
|
|
Chicken curry
|
Chicken meat, Salt, Spices, Oil, water
|
Sources of Food
Plants & animals are the major sources of food
material.
Plant products: Rice,
vegetables, pulses, spices, sugar, oil etc.
Animal products: Ghee,
milk, butter, egg, chicken, mutton etc.
Sources of Food from
Animals
- Some of the foods we eat come from
animals are milk, egg, chicken, meat, fish and honey. Milk is also
converted into other useful products such as curd, butter, ghee and
paneer. Milk is obtained from animals like cow, goat, buffalo, Camel etc.
- Cod liver oil, which
we get from fish, is rich in vitamin A.
- Honey production: Honey is a
food material which is produced by insects called bees. Bees
collect nectar from the flowers of plants and convert it into honey.
- Chicken: We get from the hen.
- Mutton: We get from goat
Sources of Food from
Plants
Plants are the major sources of food for human beings and
other animals. Plants are the sources of food materials like cereals (wheat,
maize, rice, sorghum, millet etc.), pulses, oils, fruits, vegetables, sugar,
spices, tea and coffee etc.
Plants parts as food: The
various parts of plants are used as a food material.
(1) Roots as food: Some plants store food in
their roots. Example: Carrot, radish, beet, sweet potato and turnip.
(2) Stems as food: Some plants store food in their stems.
Example: Onion, potato, ginger, garlic and turmeric
(3) Leaves as food: Some plants store food in their leaves.
Example: Spinach, coriander, radish leaves.
(4) Flowers as food: Some plants store food in their
flowers. Example: Sunflower, cauliflower, kohlrabi, broccoli.
(5) Fruits as food: Some plants store food in their fruits.
Example: Apple, orange, peach, mango, pears, banana, plums, grapes etc.
Vegetable fruits: Tomatoes, brinjal, pumpkin and chilli etc.
(6) Seeds as food: Some plants store food in their seeds.
Example: Wheat, maize, rice, sorghum, millet, Bengal gram, peas and pulses
(7) Some plants have two edible parts which
can be eaten as food:
Mustard plant: Leaves and oil
Banana: Leaves and fruit
(8) Sprouts: The cereals which absorb water and then
start growing are called sprouts. They are full of proteins.
They also contain vitamins A, B
and C which makes them a nutritious food.The seeds of moong, moth, and chana
are usually converted into sprouts in our homes.
FOOD PRODUCERS AND CONSUMERS
- Food
Producers: Plants are called producers
because they can make their own food.
The green plants make their own
food by the process of photosynthesis with the help of water from the soil,
carbon dioxide gas from the air, and energy from sunlight.
- Food
Consumers: Animals are called consumers because they
cannot make their own food, so they consume (eat) plants or animals as
their food. The animals eat or consume plants and plant products, or other
animals to get the food. Example: Animals and
Human
Classification of animals on the
basis of their food habit:
Herbivores: Animals that eat only plants.
Examples: Goat, cow etc.
Carnivores: Animals that eat only animals.
Examples: Lion, tiger etc.
Omnivores: Animals that eat both animals and
plants. Humans are also omnivores.
Examples: Dog, cat etc.
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Please copy it in CLASSWORK side of your SCIENCE notebook with
today’s date.
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