Page 108 - Science Class 06
P. 108
A fruit has two parts— pericarp or fruit wall epicarp. It is fleshy and edible layer.
and the seed. The pericarp is developed
For example, mango.
from the wall of the ovary. Seeds are
developed from its ovule. The pericarp
consists of three layers.
Epicarp : The outermost layer of the fruit is
called epicarp which forms the skin of the
fruit.
Mesocarp : This is the second layer a er Mango
Endocarp : This is the innermost layer which
encloses the seed of a fruit.
Collect different types of flowers and name the parts that they contain. Write whether
they are bisexual or unisexual.
Name of Flower Parts Bisexual/Unisexual
Func ons of a Fruit an embryo. The embryo has an outer
v Fruits are the delicious parts of a plant covering called cotyledons which protect
which also contain many vitamins and embryo from any harm. It also stores food
fibres. needed by the embryo to grow. The embryo
consists of two parts— plumule and radicle.
v Fruits protect the seeds from the
adverse clima c condi ons. Plumule : This part of seed grows into the
shoot.
v Fruits help in the dispersal of seeds.
Human beings as well as animals eat Radicle : This part of seed grows into the
the fruits and throw their seeds away. root. When a seed
These seeds again grow in the soil. finds favourable Cotyledon Epicotyl
condi ons of Radicle
THE SEED
water, oxygen and Testa
The seed in a plant is the part that is temperature, it Micropyle
developed from the ovules a er fer lisa on. grows into a baby
They are enclosed in the fruit which are plant called seedling. A seedling grows into
developed from the fer lized ovary. Each a plant with the passage of me and bears
seed has a baby plant inside it which is called flower and fruits.
108 Science-6