W: The undersund, non are part of the plant body which fixes to the soil
Eni Allattened areen simichure which arises from the node of stem or its branches
Siem. The main axis of the shootywem which bears the branches, leaves, Bowers, baids, fruit
Venatic The arrangement of veins in the leaf blade
QUICK ROUNDUP
Plants are classified into herbs, shrubs and trees based on their height and nature of stem.
A plant consists of two main parts the root system and the shoot system
The roois fix the plant to the soil and absorb water and minerals from the soil.
system consists of stem, branches, leaves, flowers and fruit.
5. The stem is divided into nodes and intemodes. It provides support and helps in the conduction
Leaves manufacture food for the plant.
of water and minerals from the roots to the leaves.
1. Give the important functions of the following
2. Give differences between the following:
(a) Root and stem
(c) Herb and shrub
(e) Reticulate venation and parallel venation
3. List the functions of various parts of a flower.
Transpiration. The process of loss of water in vapour form through the leaves
7. Flower is the reproductive part of a plant. It consists of calyx, corolla, androecium and
Draw and label the following diagrams:
BERTITIONS
And seeds
I
3
The shoots
1
EXERCISES
Answer in Detail
(a) Root
(b) Stem
(c) Leaf
(d) Flower
(b) Node and internode
(d) Creeper and climber
(1) Stamen and pistil
(b) Fibrous root
(a) Tap root
Answer Briefly
(c) Stamen
(8) Pistil
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