Chapter- 8 ' Geography
Natural Vegetation and wildlife
A. Tick
✅ the correct answers.
1. The
tropical rainforests are also known as the.- a) Savanna.
2. Which
of the following is not a hardwood tree? – a) Hemlock
3. The
coniferous forests are also known as__ forests. – a) Taiga
4. Which
of the following is not a coniferous tree? – b) Rosewood
5. Which
of the following is a tropical grassland?- c) Llanos
B. Fill
in the blanks.
1.
Hot and humid
2.
Monsoon
3.
Australia, grassland latitude
4.
Fauna
C. Write
the names of any three animals found in the following regions.
1. Tropical
region-
2. Temperate
region -
3. Desert
region -
4. Cold
region -
D. Write
True or False
1. True
2. False
3. Fasle
4. True
E. Give
short answers for the following questions.
1. What are the main features of tropical evergreen forest?
Ans:-
The main feature of tropical evergreen forest are:-
i.
These trees do not shed their leaves
altogether.
ii.
These areas experience a hot and humid
climate throughout the year.
iii.
Closely spaced trees form a thick and
broad canopy.
iv.
These forests are also called equatorial
forest or selva.
2. What
type of natural vegetation is found in the desert regions?
Ans:-The
main plants are date, palm, cactus, thorny bushes and coarse grasses.
3. Name
the various types of forests with at least one feature of each.
Ans:-
The various type of forest are:-
a. Tropical
Evergreen Forest- These areas experience a hot and humid climate throughout the
year.
b. Tropical
Deciduous Forest – They shed their leaves during the dry season to conserve
water.
c. Temperate
Evergreen Forest – These are the mixed forest of hard and softwood trees.
d. Temperate
Deciduous Forest – In this region, trees generally have thick trunk and broad
leaves.
e. Mediterranean
Forest – In this region, there is a moderate rainfall of about 80cm during the
winter season.
f. Coniferous
Forest – the type of trees found are spruce, pine, fir, larch etc.
4. What
are the main uses of coniferous forests?
Ans:-
The main uses of coniferous forest is that it is used to make pulp, paper,
furniture, matchstick, plywood, doors, sports good and toys.
F. Give
long answers for the following questions.
1. How
do forest acts as natural habitats for wildlife?
Ans:-
Forest acts by providing:-
a. Foods
and water.
b. Shelter
and living and hibernation.
c. Places
for breeding and raising the young ones.
d. Space
for normal growth and movement.
2. Describe
the natural vegetation found in temperate evergreen and temperate deciduous
forests.
Ans:-
The natural vegetation in Temperate Evergreen Forest:-
The Temperate Evergreen Forest are the mixed forests of hard and softwood trees.
It is mixed forest of coniferous and deciduous varieties. The forests are dense
and the timber is valuable. The main trees are Oak, pine, wattle, walnut and
camphor.
Temperate
Deciduous Forests:- The trees generally have thick trunks
and broad leaves. The trees are mostly deciduous. They shed their leaves in the
autumn season and remain leafless throughout the winter season. The main
commercial tree species found in this forest are – oak, ash, beech, elm etc.
3. Distinguish
between the Savanna and Prairie
|
Savanna |
Prairie |
|
i.
Tropical grassland are also
called savanna |
i.
Temperate grassland are also
known as Prairie in North America |
|
ii.
The temperature is high and
reaches sufficient rainfall. |
ii.
The temperature is low and the
rainfall is not sufficient for the growth of trees. |
|
iii.
Tall grasses grow with scattered
trees. |
iii. Short grasses grown everywhere. |
|
iv.
It is used for grazing and
farming. |
iv.
These are most suitable for
cattle and sheep rearing. |
|
v.
This grassland is home to a large
variety of animal. |
v.
These areas are now used as
extensive farming for the cultivation of wheat and corn. |
4. What
type of wildlife is found in the tropical forests?
Ans:-
Wildlife includes plant and animals that live on land and in water. There are
monkeys, apes, sloths, bats and flying squirrels in the forest. Anaconda, one
of the world largest snakes also found in the tropical evergreen forest. Some
animal likes, tiger, lions, rhinoceros and leopards are found in these forests.
5. Why
are furs bearing animals mostly found in cold Polar Regions?
Ans:-
Because these animals have thick skins or furs to protect themselves from the
extreme cold. These thick skins help them to keep themselves warm and to
survive in the cold region.
6. Why is lumbering done on commercial
scale in taiga forests?
Ans:- Lumbering is done because the softwood of the taiga forest is widely used to make pulp, paper, furniture, matchsticks, plywood, doors, sports good and toys.
No comments:
Post a Comment