Natural Vegetation and Wildlife Extra Questions Chapter 6 Class 7 Geography
Chapter 6 Natural Vegetation and Wildlife Class 7 Geography Extra Questions is very helpful in knowing what can come in the examinations and prepare yourselves. These Extra Questions for Class 7 will increase confidence amongst students and learning diverse topics in less time.
Chapter 6 Natural Vegetation and Wildlife Very Short Answer Questions (VSAQs):
1. Rose wood, ebony, mahogany are common trees of _____.
Answer
Tropical evergreen forest.
2. Cattle farms in the North American grasslands are known as?
Answer
Ranches.
3. Tropical evergreen forest are also called ______.
Answer
Tropical rain forest.
4. Where in India tropical evergreen forests occur?
Answer
In northeast India (along the Eastern Himalaya, in Assam, and the hill states), in the Andaman and Nicobar Islands and the Western Ghats mountain chain along the west coast of India.
5. Name the rivers that drain the veld.
Answer
Orange and Limpopo.
6. Why are the tropical rainforests called 'the lungs of the world'?
Answer
Because they generally breathe in carbon dioxide and breathe out oxygen which is essential for our survival.
7. _______ one of the world’s largest snakes is found in tropical rainforest.
Answer
Anaconda.
8. Name the hardware trees commonly found in tropical deciduous forest?
Answer
Sal, teek, neem and shisham are the hardwood trees found in tropical deciduous forest.
9. What is the location of temperate evergreen forest?
Answer
The temperate evergreen forests are found in mid latitudinal coastal region. They are commonly found along the eastern part margin of the continents, e.g. in south East Brazil.
10. What does taiga means in the Russian language?
Answer
Taiga means pure or untouched in the Russian language.
11. Where in India do tropical deciduous forests occur?
Answer
They are found in the north eastern states of Jharkhand, West Odisha and Chhattisgarh.
12. In which part of the world is seasonal grassland found?
Answer
Most of the temperate grasslands found in mid-latitudinal zones and in the interior part of the continents are seasonal grasslands.
13. Temperate grass land are _____ and ______.
Answer
Short and nutritious.
14. How do Mediterranean trees adapt themselves to dry summers?
Answer
Mediterranean trees adapt themselves to dry summers with the help of their thick barks and wax coated leaves which help them reduce transpiration.
15. Why the animals in polar region have thick fur and thick skin?
Answer
The animals in polar region have thick fur and thick skin to protect themselves from the cold/harsh climatic conditions.
16. Why do tropical deciduous trees shed their leaves in the dry seasons?
Answer
Tropical deciduous trees shed their leaves in the dry season to conserve water.
Chapter 6 Natural Vegetation and Wildlife Short Answer Questions (SAQs):
1. What is tropical deciduous forest?
Answer
Tropical deciduous forests are the monsoon forest found in the large part of India, Northern Australia and in Central America. These regions experience seasonal changes. Trees shed their leaves in the dry season to conserve water.
2. What do you know about the tropical grassland?
Answer
Tropical grassland occurs on either side of the equator and extends till the tropics. This vegetation grows in the areas of moderate to low amount of rainfall. The grass can grow about 3 to 4 metres in height. Savanna grassland of Africa is of this type.
3. In which part of continent is tropical grassland is found?
Answer
Tropical grass land is found in:
• West African Sudan and its caved southward extension into east Africa and South Africa.
• The Llanos of the Orinoco basin.
• The Campos of Brazilian highlands.
• Part of Australia on both side of the tropic of Capricorn.
4. Mention the main features of tropical evergreen forests.
Answer
Features of tropical evergreen forests.
• These thick forests occur in the regions near the equator and close to the tropics. These regions are hot and receive heavy rainfall throughout the year.
• As there is no particular dry season, the trees do not shed their leaves altogether. This is the reason that they are called evergreen.
• The trees of these forests are broad-leaved which form a broad canopy at the top. The canopy is so
thick, that the sunlight is not able to reach the ground.
5. Where are coniferous forests found? How are the trees of these forests useful?
Answer
Coniferous forests are found in a broad belt lying between 50°N to 70°N latitudes. These forests are also found in the higher altitudes. These are also known as Taiga.
Coniferous trees are tall, straight, softwood evergreen with softwood. The wood of these trees are very useful for making pulp, which is used for manufacturing paper and newsprint. Match boxes and packing boxes are also made from softwood.
6. The different parts of the world have diversity in climate .Why?
Answer
The different parts of the world have diversity in climate due to irregular distribution of land water on the surface, sensitive envelope of gas and different angles at which the rays of the sun reach the earth are the responsible factors of the world’s diversity of climate.
7. Give a brief description of the flora and fauna found in the polar region.
Answer
The polar region is extremely cold. Hence, the growth of natural vegetation is very limited here. Only mosses, lichens and very small shrubs are found here. It grows during the very short summer. This is called Tundra type of vegetation. The animals have thick fur and thick skin to protect themselves from the harsh climatic conditions. Seal, walruses, musk-oxen, Arcticowl, polar bear and snow foxes are some of the animals found here.
8. Where are the thorny bushes found?
Answer
These are found in the in the dry desert like region. Tropical desert are located on the western margin of the continents. The vegetation cover is scarce here because of scanty rain and searching heat.
Chapter 6 Natural Vegetation and Wildlife Long Answer Questions (LAQs):
1. What is a Natural vegetation? Classify it into three broad categories.
Answer
The plant cover on the surface of the earth, which is found in nature or grows naturally without human
interference is called the natural vegetation.
Natural vegetation is generally classified into three broad categories which are:
• Forests grow well where temperature and rainfall are plentiful to support a tree cover. Depending on these factors, dense and open forests are grown.
• Grasslands are found in the region of moderate rainfall.
• Shrubs (thorny shrubs and scrubs) are mainly found in dry areas.
2. Mention five features of Mediterranean vegetation.
Answer
• Mediterranean vegetation is found in the areas around the Mediterranean sea in Europe, Africa, and Asia. This kind of vegetation is also found outside the actual Mediterranean region in California in the USA, South West Africa, South Western, South America and South West Australia.
• These regions are marked for hot dry summers and mild rainy winters.
• Trees of these forests have broad leaves, long roots and thick barks. They can withstand the dry summer conditions without shedding their leaves.
• Citrus fruits such as oranges, figs, olives and grapes are commonly cultivated here.
• There isn’t much wildlife here.
3. Distinguish between tropical grasslands and temperate grasslands.
Answer
• Tropical grasslands also known as savanna occur on either side of the equator and extend upto the tropics. This vegetation grows in the areas of moderate to low amount of rainfall. The grass can grow very tall, about 3 to 4 m in height. Elephants, zebras, giraffes, deer, leopards are common animals found here.
• Temperate grasslands also known as prairies are found in the mid-latitudinal zones and in the interior part of the continents. Grass here is short and nutritious. Common animals found here are wild buffaloes, bison, antilopes, etc.