CLASS 4 EVS Types Of Plants
Types of plants
Key words
harsh
|
commercially
|
fleshy
|
evergreen
|
dense
|
carnivorous
|
elevation
|
slanting
|
coastal
|
enclosed
|
rainforest
|
mosses
|
drip tip
|
floating
|
buttress
root
|
aquatic
|
Features of plants growing in different regions
Region
|
Features
|
examples
|
Deserts
|
·
Long
roots to search water.
·
Fleshy
stems to store water.
·
No
or less leaves to reduce water loss.
|
Date palm, keekar, khair and khejri.
|
Rainforests
|
·
Thin
bark as they do not have to store water
·
Drip
tip enables rain drops to run off quickly.
·
Buttress
roots to help tree to stand
|
Wild jack, bishop wood, dhup
|
Aquatic
|
1.Floating
·
Light and spongy stem
2.Fixed
·
Roots fixed to the bottom of the water body.
·
Thin and hollow stem
|
Floating:duckweed
Fixed:lotus
and hydrilla
|
Coastal
|
·
Leaves are thick and shiny.
·
Roots grow near the surface of the soil and spread
out wide.
·
Tough roots
|
Coconut,
areca nut,
pandanus
|
Mangroves
|
·
Special breathing roots that grow above the ground.
|
Sundari,
Khalsi, garjan
|
Cold
|
·
Slanting branches help snow slide down easily.
·
Seeds enclosed in cones to protect them against
the cold weather.
·
Leaves have waxy layer.
|
Pine, fir,
moss, deodar
|
Carnivorous
|
·
Leaves show modifications that help in trapping
insects.
|
Pitcher
plant, venus fly trap
|
Give
reason
1.
Plants
of the cold regions have needle shaped leaves.
Ans: Plants of
the cold regions have needle shaped leaves to reduce water loss and to prevent
any damage from snow.
2.
The
roots of the plants growing in rocky shores are tough.
Ans: The roots of the plants growing in
rocky shores are tough as they often have to make their way through the rocks.
3. Growth
in the coastal areas is challenging for the plants.
Ans: Growth in the coastal areas is challenging for
the plants because of windy weather and excessive salt.
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