Page 23 - SCIENCE 2

Trees

Big plants are called trees.
Trees have hard woody stem.

This stem is called trunk .

Most trees have branches, e.g.
: gulmohar, mango, neem etc.

Trees live for many years. Most
Papaya tree
of the trees are green. They
give us fresh air. Date tree Coconut tree

Some trees do not have branches. They are called branchless trees , e.g. :
date, papaya, coconut etc. They grow straight or erect.

Shrubs

Shrubs are small plants.

They have hard and woody
stems.

Jasmine plant Cotton plant Sunflower plant Most of them live for few years.
Rose, Cotton, Jasmine etc., are
Knowledge Plus
shrubs.

The banana plant is a tall plant. But it Herbs
is not a tree. It is a herb. Very small plants are called

herbs.
Their stems are thin and soft.

They live for three-four months.

So, they are called seasonal
plants, e.g. : mint, brinjal,

Mint plant Brinjal plant Spinach plant tomato, spinach etc.

Climbers

Some plants have weak and soft stems.

They cannot stand on their own.
They need support to grow upward.

Such plants are called climbers .
Pea plant
Pea plant, money plant, grapevine etc., Grapevine
are climbers. Money plant