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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