L e sson 3

SOURCES OF FOOD

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The students of Class IV eat their tiffin together everyday. On

Teachers’ Day, they requested their class teacher to join them. ' ‘ V
The teacher agreed and the children were very happy. *y
As soon as the break for tiffin started, the children hurriedly
took out their tiffin boxes from their bags.

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Before starting to eat, all
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children formed a queue and
went to wash their hands.
As soon as they opened
their tiffin boxes, the teacher
- r asked - “What have you all
brought to eat today?”
“1have brought rice and dal”
- said Prakash.

■y “1 have brought aloo paratha

and vegetable curry” - said
! Seema.
“My tiffin contains idli, dosa
/ and chutney”- said Venkat
excitedly

“What liave you brought

Shubham?”- the teacher
asked.
“Bread and omelette” -
replied ^Ihubham.

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 The children also asked their teacher what food items she
had brought.
“I have brought fruits —an orange, and bananas - the teacher
told them. After eating the food, the teacher and the children
cleaned the place. They threw all the garbage into the dust bin.
The teacher told them that she had enjoyed eating with them.
The children clapped to show that they shared the same feelings.
The next day when the teacher came to the classroom, the
children said-‘Today we want to talk about the food.”
The teacher said - “Alright, but before starting, all of us will
list the food items we brought yesterday, as follows:”
Items made from Fruits and Vegetables Other Food
Grain(s) Items

Water is also an essential part of our food. We drink

water directly as well as get it from fruits, vegetables,
milk, etc.
From where do we get the grains, vegetables and other food
items?
Wegetfood items mainlyfrom two sources - p la n ts a n d a n im a ls .

From plants we get fruits, vegetables, pulses, grains, etc.

From animals we get milk, egg, meat, etc.

' We eat different parts of different plants.
We eat roots of some plants and stems of some others. Leaves
of some plants and fruits of others, form part of our food.
We even eat seeds of some plants.

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• Turnip, carrot, and radish
are roots of plants.
• Potato, ginger, arbi, and
onion are stems of
plants.

• Spinach, methi, bathua, y i

coriander are leaves of j
plants.

Lady’s Finger, tomato, apple, orange,

watermelon and banana are fruits
of plants.

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• Wheat, rice, bajra, and
corn, which we call grains,
are the seeds of plants. S#

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 Give tvvo examples each of the parts of plants that you eat as
vegetables at home.
Leaves
Roots
Stems
We also get a variety of food items from animals, such as;
• Milk
We get milk from goats, buffaloes and cows. We use milk to
make curd, ghee, cheese,
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butter, as well as sweets.
In some parts of our country, milk obtained from camels
and sheep is also used.
• Eggs and Meat
1 We get eggs from hens. Some people eat meat and fish too.

What have we learnt from the above?

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'' // dependent on plants and animals for our food.
Just as we depend on animals and plants for our food, they
too need us.

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 We should take proper care of these animals and plants. We
should:
• water and provide fertilizers to plants on time;
• feed the pet animals and birds on time and in sufficient
quantity; and
• keep their living places neat and clean.
Have you ever thought from where the plants and animals
get their food ?
Plants make their own food. They do not depend on others
for making their food. That is why they are called autotrophs.
Leaves help the plants in making their food. Agreen coloured
substance called chlorophyll, in the leaves, helps plants to
make their food.
Plants also need water and
carbon dioxide to make their
food. Plants draw water and
mineral salts from the soil
through their roots.
There are small pores on the Pores

leaves of the plants. They draw

in carbon dioxide and some water
from the atmosphere through
these pores.
This process of making food by plants takes place only in the
sunlight. This process is known as photosynthesis.
Animals do not make their own food. They depend on plants
and other animals for their food. They are called heterotrophs.
• Some animals feed only on plants, e.g. cows, buffaloes, goats,
elephants, camels, etc.

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 • Some animals feed both on plants and animals, e.g. cats,
dogs, ducks, fish, etc.
• Some animals feed only on animals, e.g. lions, leopards,
wolves, tigers, etc.
Name ;
. Two animals which depend on plants for their food.

2. Two animals which depend on plants and animals for

their food.

3. Two animals which depend only on animals for their food.

WHAT HAVE WE LEARNT?

!o7ral W ork
1. What food items do we get from the plants?
2. What food items are made from milk in your home?
3. Name three plants whose leaves we eat.
^ 4, Which part of the carrot plant do we eat?
5. Why do we need to take care of plants?
 Written Work

1. Match the following :

Ginger Leaf
Radish Fruit
Tomato Seed
Rice Root
Spinach Stem
2. How do plants make their food?
3. Name any two animals which eat only plants.
4. Name any two plants from which we get grains.
5. How do you take care of plants in your school?
6. How should we take care of our pet animals and birds?
7. From where does our body get water?
8. Differentiate between autotrophs and heterotrophs.
9. Find out the names of the food items in the crossword given
below and Avrite them in your notebook. An example is given
for you.
0 M A T i o

r) R
N
1
A
N
P
P
C
S A
N O G L M N
L lJ N O E G G
E A S i R E
J

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 THINGS TO DO
@ Draw a picture of a pet animal you like the most. Also
write what it eats.

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Q Draw a picture of a fruit you like. Colour it.

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@ Collect pictures of food items obtained from plants.
Paste them in your notebook and write their names.

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