A simple explanation on the various topics such as definition of food, nutrient, various sources of food, both plant and animal source. The food prepared by the plants are stored in various parts of the plant. Depending on the food habits animals are classified into herbivores, carnivores, omnivores, scavengers, parasites. The flow of the energy from one organism to another is called as food chain

1. Class 6 Science
Sources of
food

2. What is food?
• Food is fuel to our
body.
• Food gives energy to
our body for the
proper functioning
of our body
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3. What are Nutrients ?
• Nutrients are the
substances required
by our body to
perform the basic
function.
• Nutrients are
obtained through
our diet.
• Nutrients provide
energy and regulate
chemical processes
in the body.
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4. What are the
functions of
food?
Food protects the body from various
diseases and keep it fit and healthy.
Food helps the body to grow and
replace worn out cells.
Food provides energy for various
activities of the body.
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5. What is Dish ?
A DISH IS A PARTICULAR
KIND OF PREPARED
FOOD.
A DISH IS READY TO BE
SERVED OR READY TO BE
EATEN FOOD ITEM.
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6. What are Ingredients of
food ?
• Ingredient means any of
the food or Substances
that are combined to
make a particular dish.
• Ex: Boiled rice ingredients
are rice, water. Salt
• For Biryani recipe we need
oil, onion, tomatoes,
vegetables / meat, Some
spices, water and much
more.
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7. What are the sources of
food ?
• Plants and animals are both sources
of food.
• From plants we get Fruits, Vegetables,
Oil, Pulses Legumes etc.
• From animals we get Milk, Meat,
Eggs, Honey etc.
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This Photo by Unknown Author is licensed under CC BY-NC-ND
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8. How Plants gives us food?
• Green plants are producers.
• Green colour of the plants is due to the
presence of pigment called chlorophyll.
• Plants prepare their food in the presence
of sunlight, water through process a called
photosynthesis.
• The food is prepared by the plants in the
leaves.
• Food is sent to various part of plant such
as root, stem, flower, fruit etc.
• Excess food prepared by plants are stored
in different parts of the plant. www.morescorecbse.com

9. List the food stored in
various parts of plant with
example ?
• Foods are stored in Root, Stem, Leaves
Fruits, Flowers, Seeds.
• Root - Radish, Turnip, Carrot
• Stem - Potato, Sugarcane, Ginger
• Leaves - Spinach, cabbage, coriander...
• Fruits - Banana, Mango, Apple.
• Flowers - Cauliflower, Broccoli
• Seeds - Wheat, Peas, Rice.
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10. List the food that we get
from animals?
• Milk from Cow, Buffalo, Goat, Camel.
• Milk is used to prepare various milk products
such as cheese, butter, ghee, curd, ice cream
• Eggs from Hen, Duck, Quail.
• Meat from Hen, Duck, Goat, Fish, Crab.
• Honey from Honeybees.
• Honeybees collect nectar from flowers, they
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11. What are the
food habits of
animals?
• Animals cannot
prepare their own
food.
• Animals depend
directly or indirectly
on plants. to
prepare their good.
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12. What are the various types of animals?
Based on the food
habits animals are
Categorized into
Herbivores Carnivores
Omnivores Scavengers Parasites
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13. What are Herbivores ?
• Herbivores are the
animals that feed only
on green plants.
• Herbivores have sharp,
cutting tooth in front
and flat grinding teeth
at back
• Ex: Cow, Deer, Horses,
Elephants etc.
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14. What are Carnivores ?
• Carnivores are the animals
that eat the flesh of other
animals.
• Carnivores generally have
long, sharp teeth, birds
have strong pointed beaks
to tear the flesh.
• Ex: Lions, Tiger, Wolf, Dog,
Eagles etc...
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15. What are Omnivores ?
•Omnivores are
the animals that
eat both plants
and animals.
•Ex: Humans, Bear,
crow, cockroach
etc.
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16. What are scavengers?
•Some Carnivores and
Omnivores are called as
scavengers.
•They mainly consume
dead bodies of animals to
keep the surroundings
clean
•Ex: Crows, Jackals, Hyenas
etc.
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17. What are Parasites?
• Parasites are the small
animals that depend on
other living organisms for
their food.
• Ex: Mosquitoes, fleas,
leeches, bugs etc.
• Some parasites such as
tapeworm, round worm,
hook worm live inside the
body of animal and eat the
food after it is digested by
animals
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18. Define Food chain ?
• Food chain is the series of events in an
environment or ecosystem in which one
living organism eats the other and that is
subsequently eaten by larger organism.
• Food chain is the succession of transfers
of matter and energy in the form of food
from organism to another in ecology.
• Food chain shows that all animals
depend directly / indirectly on green
plants for their food
• Ex: Plants → Grasshopper → Frog Snake
Eagle www.morescorecbse.com

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