food and how can get and from get it

2. THE ACADEMY CLASS
Dr. RINKI KUMARI
BIOTECHNOLOGY
Food: Where does it come
from?

3. FOOD
•Definition- IT, substance
consisting essentially of protein,
carbohydrate, fat, and other
nutrients used in the body of an
organism to sustain growth and
vital processes and to furnish
energy.
•The absorption and utilization
of food by the body is fundamental to
nutrition and is facilitated by digestion.

4. Where does it come from?
ANIMALS
PLANTS

8. Cellulose
•It is the substance that makes up most of
a plant's cell walls.
•Since it is made by all plants, it is
probably the most abundant organic
compound on Earth.
•Aside from being the primary building
material for plants, cellulose has many
others uses.

9. NECTOR
A thick, golden liquid produced by
industrious bees, honey.
IT is made using the nectar of flowering
plants and is saved inside the beehive for
eating during times of scarcity.
Nectar — a sugary liquid — is extracted from
flowers using a bee's long, tube-shaped tongue
and stored in its extra stomach, or "crop.
Honey
NECTOR AND HONEY

10. Sprouted seeds
Sprouting is the natural process by
which seeds or spores germinate and put out shoots,
and already established plants produce new leaves
or buds or other newly developing parts experience
further growth.
Sprouts are seeds that have germinated and
become very young plants.

11. IT a substance produced by a living
organism which acts as a catalyst to
bring about a specific biochemical
reaction
ENZYME

12. REVISION

13. Take some dry seeds of moong or Chana.
Put a small quantity of seeds in a container filled with water and
leave this aside for a day.
Next day, drain the water completely and leave the seeds in the vessel.
Wrap them with a piece of wet cloth and set aside.
Next day you will white structure has grown out it.
Sprouted seeds