Dear parents,
Kindly note, the following are the worksheets to direct
students towards self learning. Please note that these worksheets are for
additional practice and are optional.
English
Maths
SST
Note down the following in your notebook and submit on 23/10/16, Sunday.
UNIT-4
PLANTS
VEGETATION AND CROPS
1.What is vegetation?
Ans: Vegetation is the
plant life or the plant ground cover of a region.
2.What is natural vegetation ?
Natural vegetation is any tree or plant
which grows naturally, without human intervention. It includes forests,
grasslands and shrubs.
TYPES OF VEGETATION:
|
TYPES
OF VEGETATION
|
TREES
|
CONTINENT
|
|
Tropical rain Forests
|
Rosewood, Ebony, Shisham
|
Asia,
Australia, Africa, South America
|
|
Temperate Deciduous Forest
|
Oak, Maple, Beech
|
North America, Eastern Asia, Europe.
|
|
Coniferous Forests
|
Cedar, Pine, redwood
|
United States, Canada, Europe
|
|
Thorn Forest
|
Dates, Cactus, Acacia
|
Africa,
South America, and Australia
|
|
Mangrove Forests
|
Mangrove, Sundari
|
Southeast Asia
|
2. What are crops?
Ans: Plants of the same kind grown on a large scale are
known as crops.
TYPES OF CROPS
·
Food Crops: Food crops are any agricultural
product that can be eaten. e.g. rice, wheat, beans
·
Cash Crops: Crops are specially grown for
profit. e.g. coffee, tea, cardamom.
·
Fiber Crops: Fiber Crops grown for their
fibers. e.g. Jute, Cotton.
3. What is deforestation?
Ans: Deforestation is
the permanent destruction of forests in order to make the land available for
other uses, ie; Deforestation refers to
cutting down of trees in forested areas.
4 What are the causes of deforestation?
Ans:
1. Need to increase land for settlements, urbanization and agriculture.
2. Timber, for industrial use and as
fuel.
3. Mining etc.
5. What is the impact of deforestation?
Ans: 1. Loss of the natural habitat of many plant and animal
Species.
2.
Amount of rainfall decreases.
3.
Soil erosion.
6. Why do we need to save forest?
Ans: We need to save forest because
forests cover a third of all land on Earth. They
are important because They help us to breathe,
They keep Earth cool, They fight flooding, They clean
up dirty soil, They clean up dirty air etc..
MOVEMENT TO
PROTECT FOREST:
a.
Chipko Movement
b. Green Peace
c. Save the Forest in America
d. Fern
e. Green Belt Movement
