Page 14 - Active Science 5 Ebook and Activity

R eproduction by Roots

Radish, turnip, carrot and sweet potato
have roots that store food in them. They
are swollen because of stored food and are Carrot
called ‘tuberous root’. The roots contain

a small bud which gives rise to a new plant
under favourable conditions. Turnip

R eproduction by Stems Radish

Some plants also grow by stem. Different methods are used to grow plants
using stems.
(i) From underground stems: These
are the stems which grow under the
ground. For example, onion, potato

and ginger. These stems have small
buds called eyes. A piece of stem with
an eye can grow into a new plant. Ginger Potato

(ii) Stem cuttings: In money plant, rose
and bougainvillea, we cut a part of
the stem containing bud and plant it

in the soil. This process is known as
stem cutting. In the soil, this stem
develops roots and finally grows into a
new plant. Stem cutting

(iii) Grafting: Grafting can be seen in Preparation
plants like apple, mango and rose. of Scion Wrapped
When we cut a part of the stem and and

attach it to the stem of another plant, waxed
it is called grafting. The cut part of the Preparation
stem is known as scion and the part of Stock

of the stem which is left is called the
stock. Grafting
(iv) Layering: A branch of raspberry or

jasmine plant is bent on the ground. A
portion of this branch is covered with
soil and its tip is exposed. The covered Layering

part of the branch develops roots after
Reproduction in plants by stem
14 Active Science-5