short notes class6 getting to know plants
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7252019 Short Notes Class6 Getting to Know Plants
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bull
Plants can be grouped into herbs shrubs and trees Other types of
plants are climbers and creepers
Herbs A herb is a non-woody plant that
has green and tender stems with
few branches and is usually short
Herbs are short with tender stem
Uses
Herbs have a variety of uses
including adding flavor to food
providing medicine for diseases
and in some cases even adding a
spiritual touch
Shrubs Stem in shrubs is hard but not
very thick
Shrubs are taller than herbs and
have stems branching out from
the base
Trees A tree is a woody plant that has
many branches on a single stem
Trees have hard thick brown stem
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bull The plants with weak stem that cannot stand upright and spread on
ground are called creepers Whereas plants take support on
neighboring structures and climb up are called climbers
Leaves
Leaves are the structures which develop on branches These are greencoloured structures rich in chloroplasts As they have chlorophyll in them
they are considered to be food factories of the plant Photosynthesis occursin the leaves Each leaf bears a bud in its axil
Structure of leaf
leaf base The point of attachment of the leaf tothe node on the stem
petiole Leaf bears a stalk with which it isattached to the stem
Lamina The flat part of the leaf exposed tolight
Midrib A thin structure which extends fromthe leaf base to the tip on the lamina
Veins small thread like structures extend
from the mid rib to the leaf marginVeins helps in transportation of food
venation Arrangement of veins on the laminaof the leaf
Two types of arrangement of veins on the leaf are parallel venation and
reticulate venation
Functions of Leaf
Photosynthesis takes place in leaves in which they use carbon dioxide and
water in the presence of chlorophyll and sunlightWater comes out of leaves in the form of vapour This is called transpiration
Roots
Roots absorb water and minerals from the soil Roots are of two types-tap
root and fibrous root
7252019 Short Notes Class6 Getting to Know Plants
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Plants having the reticulate venation have tap roots while plants having the
leaves with parallel venation have fibrous roots
Flower
Flower is a reproductive structure of the plant The different parts of a flower
include sepals petals stamens and pistil Flower helps the plant to give rise
to new plants by the process of sexual reproduction
Parts of flower are
Petals The coloured parts of a flower are
called as petals
Sepals The green leaf-like parts surrounding
the bud are called the sepals
Stamens The male reproductive part of a
flower t carries pollen grains Parts
of stamen are anther and filament
pistil The female reproductive part of a
flower It carries ovules Pistil has
stigma style and ovary
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bull The plants with weak stem that cannot stand upright and spread on
ground are called creepers Whereas plants take support on
neighboring structures and climb up are called climbers
Leaves
Leaves are the structures which develop on branches These are greencoloured structures rich in chloroplasts As they have chlorophyll in them
they are considered to be food factories of the plant Photosynthesis occursin the leaves Each leaf bears a bud in its axil
Structure of leaf
leaf base The point of attachment of the leaf tothe node on the stem
petiole Leaf bears a stalk with which it isattached to the stem
Lamina The flat part of the leaf exposed tolight
Midrib A thin structure which extends fromthe leaf base to the tip on the lamina
Veins small thread like structures extend
from the mid rib to the leaf marginVeins helps in transportation of food
venation Arrangement of veins on the laminaof the leaf
Two types of arrangement of veins on the leaf are parallel venation and
reticulate venation
Functions of Leaf
Photosynthesis takes place in leaves in which they use carbon dioxide and
water in the presence of chlorophyll and sunlightWater comes out of leaves in the form of vapour This is called transpiration
Roots
Roots absorb water and minerals from the soil Roots are of two types-tap
root and fibrous root
7252019 Short Notes Class6 Getting to Know Plants
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Plants having the reticulate venation have tap roots while plants having the
leaves with parallel venation have fibrous roots
Flower
Flower is a reproductive structure of the plant The different parts of a flower
include sepals petals stamens and pistil Flower helps the plant to give rise
to new plants by the process of sexual reproduction
Parts of flower are
Petals The coloured parts of a flower are
called as petals
Sepals The green leaf-like parts surrounding
the bud are called the sepals
Stamens The male reproductive part of a
flower t carries pollen grains Parts
of stamen are anther and filament
pistil The female reproductive part of a
flower It carries ovules Pistil has
stigma style and ovary
7252019 Short Notes Class6 Getting to Know Plants
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Plants having the reticulate venation have tap roots while plants having the
leaves with parallel venation have fibrous roots
Flower
Flower is a reproductive structure of the plant The different parts of a flower
include sepals petals stamens and pistil Flower helps the plant to give rise
to new plants by the process of sexual reproduction
Parts of flower are
Petals The coloured parts of a flower are
called as petals
Sepals The green leaf-like parts surrounding
the bud are called the sepals
Stamens The male reproductive part of a
flower t carries pollen grains Parts
of stamen are anther and filament
pistil The female reproductive part of a
flower It carries ovules Pistil has
stigma style and ovary