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6th Science
Unit: 3.Parts of plantsSub-Unit- 3.1 Introduction 3.2 Roots 3.3 Stem 3.4 Leaf 3.5 Flower 3.6 Fruit
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Introduction• We know that all the many things around
us, some are living & some are non living. Living thing includes plants & animals.
• We find a verity of plants & animals around us.
• Some plants are flowering & Some are non flowering plants .
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There are many different kinds of plants. Giant oaks, tiny roses, and banana trees are all plants.
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Pitcher plant
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What Are the Parts of Plants?
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Parts of the
plants
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RootThe seed has parts
called the plumule & radicle.
When the seed germinates the root grows from the radicle under
the ground
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The root grows many branches or lateral roots under the ground .The tip
of the root has some hair like
fibers these are called root hairs
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Roots take up water and other materials that plants need from the soil.
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How might roots that grow into the How might roots that grow into the ground help the tree in windy weather?ground help the tree in windy weather?
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StemThe stem grows
from plumule above the ground
As the plumule grows ,the height
of the stem increases.
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The stem has nodes. The part of the stem between two nodes is called the internode
The chief functions of stems are the production and support of leaves and reproductive structures, conduction of water and nutrients, and occasionally food storage.
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Question hour1.Which are the parts of plant?
2.Draw a neat & labelled digram of parts of the stem?
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LeafLeaves grows on
a stem at the nodes.
Ordinarily ,they are wide ,thin & green in colour
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The flat part is called leaf blade
• The edge of the leaf is called the margin and its tip, the leaf tip or leaf apex.
• Leaves have a stalk called petiole
• The part of the stalk joined to the stem is called the leaf base.
• Some leaves have a small leaf like part near the leaf base. It is called stipule.
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Types of leaves
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Most of a plant’s food is made in its leaves
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Flowers
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Parts of a Flower
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Fruit
A fruit has a seed inside it
some fruit have more than one
seed.
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Question hour1.Which are the parts of plant?
2.Draw a neat & labeled diagram of parts of the Leaf?
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Rayat Shikshan Sanstha , Karmveer Vidhyaprabhodhini Madhya Vibhag ,Satara
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