RBSE Class 7 Social Science Important Questions Geography Chapter 6 Natural Vegetation and Wild Life

Rajasthan Board RBSE Class 7 Social Science Important Questions Geography Chapter 6 Natural Vegetation and Wild Life Important Questions and Answers. 

RBSE Class 7 Social Science Important Questions Geography Chapter 6 Natural Vegetation and Wild Life

Multiple Choice Questions 

Question 1.
Where are tropical evergreen forests found?
(a) India 
(b) Brazil 
(c) China 
(d) None of thesfe
Answer:
(b) Brazil 

 

Question 2. 
What is the name of the largest snake found in tropical rainforests?
(a) Anaconda 
(b) Python
(c) Black cobra 
(d) None of these
Answer:
(a) Anaconda 

Question 3. 
Which of the following is not found in tropical deciduous forests?
(a) Tiger 
(b) Elephant
(c) Silver fox 
(d) Monkey
Answer:
(c) Silver fox 

Question 4. 
Where are temperate evergreen forests found?
(a) South-east USA
(b) South-east Brazil
(c) South China
(d) All of these
Answer:
(d) All of these

Question 5. 
Large part of India’s forested land is covered under these types of forests:
(a) Temperate evergreen
(b) Tropical deciduous
(c) Temperate deciduous
(d) Coniferous
Answer: 
(b) Tropical deciduous

Fill in the blanks

Question 1. 
Tropical evergreen forest of Brazil are called ............... of the earth.
Answer:
lungs

Question 2. 
Mediterranean regions are known as the ............... for their fruit cultivation.
Answer:
Orchards of the world

Question 3. 
Thick bark and wax coated leaves reduce ............... 
Answer:
transpiration

Question 4.    
............... means pure or untouched in the Russian language.
Answer:
Taiga

Question 5. 
Tundra type of vegetation is found in polar regions of Europe and  ...............   
Answer: 
North America 

True/False 

Question 1. 
There is no relation between altitude and vegetation.
Answer:
False.

Question 2. 
We find thorny bushes in deserts.
Answer:
True

 

Question 3. 
Grasslands are grown in the regions of moderate rainfall. 
Answer:
True

Question 4. 
Silver fox and polar bear are common animals to Taiga region.
Answer:
True

Question 5. 
Tundra is the other name of tropical desert.
Answer:
False.

Match the following
 

Column A	Column B
1. Tress shed leaves	(a) Brazil in dry season
2. Oak, pine, eucalyptus green	(b) Temperate ever eucalyptus green
3. Chir, pine, cedar	(c) Coniferous
4. Tress do not shed	(d) Tropical leaves altogether evergreen
5. Campos	(e) Tropical deciduous

Answer:

Column A	Column B
1. Tress shed leaves	(e) Tropical deciduous
2. Oak, pine, eucalyptus green	(b) Temperate ever eucalyptus green
3. Chir, pine, cedar	(c) Coniferous
4. Tress do not shed	(d) Tropical leaves altogether evergreen
5. Campos	(a) Brazil in dry season

Very Short Answer Type Questions

Question 1. 
Why are the trees closely spaced in evergreen forests?
Answer: 
The trees are closely spaced in evergreen forest as they receive abundance of rainfall and sunlight which promotes the growth of vegetation.

Question 2. 
Where do we find temperate deciduous forests?
Answer: 
Temperate deciduous forests are found in higher latitudes of north eastern part of USA, China and Japan.

Question 3. 
Why is Mediterranean region known as ‘Orchards of the world’?
Answer: 
Many citrus fruits like oranges, grapes, figs and olives are cultivated on a large Scale in Mediterranean region due to favourable climatic conditions, so it is known as “Orchards of the world.”

Question 4. 
What are the features of Mediterranean trees?
Answer: 
Trees adopt themselves to dry summer with the help of thick bark and wax coated leaves which help them reduce transpiration.

Question 5. 
Name some of the common animals found in coniferous forests.
Answer: 
Silver fox, mink, polar bear, etc. are some common animals found in coniferous forests. 

Question 6. 
Where are tropical deserts located?
Answer: 
They are located on the western margins of the continents between 15°-30° north and south of equator.

Question 7. 
What type of vegetation is found in tropical grasslands?
Answer: 
Tall grasses about 3-4 meters in height, also known as elephant grass is found in tropical grasslands.

Question 8. 
What are the cattle farms in the North American grasslands known as?
Answer: 
Cattle farms in the North American grasslands are known as Ranches.

Question 9. 
How is the vegetation found in temperate grasslands different from tropical grasslands?
Answer: 
In the temperate grassland, short and juicy grass is found which is good for cattle feed whereas in tropical grassland, agrass is found usual eaten by wild herbivorous animals.

 

Question 10. 
Why are the equatorial forest considered as the ‘Lungs of the World’?
Answer: 
They absorb the large amount of carbon dioxide from the atmosphere and exhale a huge amount of oxygen. Hence they are known as ‘Lungs of the World.’

Question 11. 
What type of vegetation is found in tundra region? 
Answer: 
Mosses, lichens and very small shrubs.

Short Answer Type Questions

Question 1. 
Name different types of natural forests.
Answer: 
Different types of natural forests are:

1. Tropical evergreen forest
2. Tropical deciduous forest
3. Temperate evergreen forest
4. Temperate deciduous forest
5. Mediterranean vegetation
6. Coniferous forest.

Question 2. 
Mention the major features of tropical evergreen forest.
Answer: 
These forests are found in equatorial regions. As it always hot and humid and the forest are very dense. The thick canopies do not let the sunlight to penetrate inside the forest. The trees do not shed their leaves altogether so forest is evergreen. Hard wood trees like ebony, mahogany and rosewood are found here.

Question 3. 
The different parts of the world have diversity in climate. Why?
Answer: 
Different parts of the world have diversity in climate because of following reasons: 

1. Due to irregular distribution of land and water resources on the surface.
2. Distribution of gases and different angles at which the rays of the sun reach the earth.
3. Distribution of rainfall.

Question 4. 
Give an account of vegetation found in Tundra vegetation.
Answer: 
Tundra vegetation is found in polar regions. As the land is always covered with snow, no trees grow here. Only mosses, lichens and shrubs grow here. They grow during very short summer.

Question 5. 
Why temperate grasslands are known as ‘Bread Basket of the World’?
Answer: 
Prairies in North America are temperate grasslands. The soil is very fertile in those grasslands and have rains during summer, which makes it suitable for cultivation of wheat, com and barley. The production is plentiful so they are called 
Bread Basket of the World.

Long Answer Type Questions

Question 1.
Differentiate between Equatorial forest and Monsoon forest. 
Answer:

Equatorial forest	Monsoon forest
(i) These regions receive heavy rainfall throughout the year.	These regions receive rainfall during monsoon season.
(ii) Trees do not shed their leaves altogether.	Trees shed their leaves in dry season.
(iii) These forests cannot be exploited economically as trees are closely packed.	Trees are not so closely packed and they have great commercial value.
(iv) Hardwood trees like rosewood, ebony and mahogany are found here.	Hardwood trees like sandalwood, teak, sal, shisham are found here.

Question 2. 
Differentiate between Coniferous forest and Mediterranean forest. 
Answer:

Coniferous forest	Mediterranean forest
(i) These forests are found in higher latitudes (50°-70°) in Northern Hemisphere.	These forests are found aroUnd Mediterranean sea in Europe, Africa and Asia.
(ii) These regions have cool short summers and cold long winters.	These regions have hot dry summers and mild wet winters. snow to rest on them.
(iii) These forests have soft wood tress like. pine, chir cedar used for making paper manufacturing matchboxes, etc.	Mediterranean region is known as the orchards of world for their fruit cultivation.
(iv) Trees are conical-shaped with needle shaped leaves. This shape does not allow	Trees adopt themselves to dry summers with the help of thick barks and wax coated leaves.