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Natural Vegetation and Wildlife

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Natural Vegetation and Wildlife

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Summary

Summary of Natural Vegetation and Wildlife in India

Types of Vegetation

  • Tropical Evergreen Forests: Found in heavy rainfall areas (200+ cm), mainly in Western Ghats and islands. Dominant species: Teak, ebony, mahogany.
  • Tropical Deciduous Forests: Spread across regions with 200-70 cm rainfall. Common species: Teak, sal, peepal, neem.
  • Tropical Thorn Forests and Scrubs: Found in areas with less than 70 cm rainfall, characterized by thorny trees.
  • Montane Forests: Located in high altitudes, with varied vegetation.
  • Mangrove Forests: Found in coastal areas, adapted to saline conditions.

Biodiversity

  • India is one of the 12 mega biodiversity countries, with about 47,000 plant species and 90,000 animal species.
  • Endemic species are those native to India, while exotic species are introduced from outside.

Conservation Efforts

  • Biosphere Reserves: 18 biosphere reserves established, including Sundarbans, Nilgiri, and Gulf of Mannar.
  • National Parks and Wildlife Sanctuaries: 106 National Parks and 573 Wildlife Sanctuaries to protect natural heritage.
  • Projects: Initiatives like Project Tiger and Project Rhino aim to conserve endangered species.

Importance of Wildlife

  • Wildlife contributes to ecosystem balance and provides resources like food, medicine, and raw materials.
  • Conservation is essential due to threats from hunting, pollution, and habitat destruction.

Common Animals

  • Tropical Evergreen: Elephants, monkeys, lemurs, deer.
  • Tropical Deciduous: Lions, tigers, pigs, deer, elephants.
  • Montane: Yaks, Tibetan antelope, snow leopards.

Migratory Birds

  • Wetlands attract migratory birds like Siberian Cranes and flamingos, showcasing India's rich natural heritage.

Learning Objectives

  • Understand and describe the major types of vegetation found in India.
  • Identify the characteristics and distribution of Tropical Evergreen and Deciduous forests.
  • Explain the significance of biodiversity in India and its impact on flora and fauna.
  • Analyze the causes of endangerment of species in India and discuss conservation efforts.
  • Evaluate the role of biosphere reserves and national parks in wildlife protection.

Detailed Notes

Natural Vegetation and Wildlife

Types of Vegetation in India

  • Tropical Evergreen Forests
    • Found in areas with heavy rainfall (more than 200 cm).
    • Dominant species: Teak, ebony, mahogany, rosewood.
    • Common animals: Elephant, monkey, lemur, deer.
  • Tropical Deciduous Forests
    • Found in regions receiving rainfall between 200 cm and 70 cm.
    • Common species: Teak, sal, peepal, neem.
    • Common animals: Lion, tiger, pig, deer, elephant.
  • Tropical Thorn Forests and Scrubs
    • Found in regions with less than 70 cm of rainfall.
    • Common species: Acacias, palms, euphorbias, cacti.
  • Montane Forests
    • Found in mountainous areas with decreasing temperature.
    • Common species: Silver fir, junipers, pines, birches.
    • Common animals: Kashmir stag, spotted deer, yak, snow leopard.
  • Mangrove Forests
    • Found in coastal areas influenced by tides.
    • Dense ecosystem supporting various wildlife.

Importance of Biodiversity

  • India is one of the 12 mega biodiversity countries with about 47,000 plant species and 90,000 animal species.
  • Conservation is essential due to threats from hunting, pollution, and habitat destruction.

Government Initiatives for Conservation

  • Biosphere Reserves: 18 reserves established, including Sundarbans, Nanda Devi, and Gulf of Mannar.
  • National Parks and Wildlife Sanctuaries: 106 National Parks and 573 Wildlife Sanctuaries established.
  • Project Initiatives: Project Tiger, Project Rhino, and other eco-developmental projects.

Map Skills

  • Label areas of Evergreen and Deciduous Forests on an outline map of India.
  • Identify and label two national parks in each region of India (Northern, Southern, Eastern, Western).

Activities

  1. Find trees in your neighborhood with medicinal values.
  2. Identify occupations that utilize forest and wildlife resources.
  3. Write a poem or paragraph on the importance of wildlife.
  4. Create a street play script on tree plantation.
  5. Plant a tree and observe its growth.

Exam Tips & Common Mistakes

Common Mistakes and Exam Tips

Common Pitfalls

  • Misidentifying Vegetation Types: Students often confuse tropical evergreen forests with tropical deciduous forests. Remember, evergreen forests are found in areas with more than 200 cm of rainfall, while deciduous forests are in areas with 100-70 cm of rainfall.
  • Ignoring Key Characteristics: Failing to mention key characteristics of bio-reserves or types of vegetation can lead to incomplete answers. Always include specific details like location and species.
  • Overlooking Conservation Efforts: Many students forget to discuss the importance of conservation projects like Project Tiger or the establishment of biosphere reserves when asked about endangered species.

Tips for Success

  • Study Vegetation Maps: Familiarize yourself with maps showing different types of vegetation in India. Pay attention to color codes and geographical features.
  • Use Examples: When discussing flora and fauna, always provide examples. For instance, mention specific animals found in tropical evergreen forests, such as elephants and monkeys.
  • Practice Distinctions: Regularly practice distinguishing between flora and fauna, as well as different forest types. Create flashcards for quick revision.
  • Understand Ecosystem Importance: Be prepared to explain why ecosystems are vital for survival and the impact of human activities on them.

Practice & Assessment

Multiple Choice Questions

A.

Punjab

B.

Delhi

C.

Odisha

D.

West Bengal
Correct Answer: C

Solution:

The Simlipal bio-reserve is located in Odisha.

A.

Tropical Evergreen Forest

B.

Tropical Deciduous Forest

C.

Mangrove Forest

D.

Montane Forest
Correct Answer: A

Solution:

The described characteristics of high rainfall, no distinct dry season, and multilayered vegetation with tall trees are typical of Tropical Evergreen Forests.

A.

Elephant

B.

Monkey

C.

Snow Leopard

D.

Lemur
Correct Answer: C

Solution:

Snow Leopards are found in high altitude montane forests, not in tropical evergreen forests.

A.

Camel

B.

Peacock

C.

Yak

D.

Elephant
Correct Answer: A

Solution:

Camels are commonly found in the thorn forests of India, which are located in arid regions like the Thar Desert.

A.

Tropical Evergreen Forests

B.

Tropical Deciduous Forests

C.

Tropical Thorn Forests and Scrubs

D.

Mangrove Forests
Correct Answer: C

Solution:

Tropical Thorn Forests and Scrubs are found in regions with less than 70 cm of rainfall.

A.

Teak

B.

Sundari

C.

Pine

D.

Mahogany
Correct Answer: B

Solution:

The Sundari tree is a characteristic plant of the mangrove tidal forests, particularly found in the Ganga-Brahmaputra delta.

A.

Tropical Evergreen Forests

B.

Tropical Deciduous Forests

C.

Thorn Forests and Scrubs

D.

Montane Forests
Correct Answer: C

Solution:

Thorn forests and scrubs are found in regions with less than 70 cm of rainfall, characterized by thorny trees and bushes.

A.

Tropical Evergreen Forest

B.

Tropical Deciduous Forest

C.

Thorn Forest

D.

Mangrove Forest
Correct Answer: C

Solution:

The description of thorny trees and low annual rainfall is typical of Thorn Forests.

A.

Western Ghats

B.

Eastern Ghats

C.

Himalayas

D.

Thar Desert
Correct Answer: C

Solution:

Montane forests are predominantly found in the Himalayan region due to the high altitude and corresponding climatic conditions.

A.

Tropical Evergreen Forests

B.

Tropical Deciduous Forests

C.

Tropical Thorn Forests and Scrubs

D.

Montane Forests
Correct Answer: C

Solution:

Tropical Thorn Forests and Scrubs are found in regions receiving less than 70 cm of rainfall annually. These areas are characterized by thorny trees and bushes.

A.

Tropical Evergreen Forest

B.

Tropical Deciduous Forest

C.

Montane Forest

D.

Mangrove Forest
Correct Answer: C

Solution:

The presence of coniferous trees like pine, deodar, and silver fir at high altitudes is characteristic of Montane Forests.

A.

Tropical Evergreen Forests

B.

Tropical Deciduous Forests

C.

Mangrove Forests

D.

Montane Forests
Correct Answer: B

Solution:

Tropical Deciduous Forests are characterized by trees that shed their leaves in the dry season.

A.

Hunting for commercial purposes

B.

Introduction of alien species

C.

Conservation efforts by the government

D.

Pollution due to industrial waste
Correct Answer: C

Solution:

Conservation efforts by the government are aimed at protecting the ecosystem, not causing imbalance. The other options contribute to ecological imbalance.

A.

Tropical Evergreen Forest

B.

Tropical Deciduous Forest

C.

Thorn Forest

D.

Mangrove Forest
Correct Answer: D

Solution:

The description of vegetation with dense roots submerged in water and tidal influence is indicative of Mangrove Forests.

A.

High levels of rainfall

B.

Proximity to the sea

C.

Decrease in temperature with increasing altitude

D.

Rich soil nutrients
Correct Answer: C

Solution:

Montane Forests exist due to the decrease in temperature with increasing altitude, leading to a succession of vegetation types.

A.

Tropical Evergreen Forest

B.

Tropical Deciduous Forest

C.

Thorn Forest

D.

Mangrove Forest
Correct Answer: B

Solution:

The presence of teak, sal, and sandalwood, along with the specified rainfall range, indicates a Tropical Deciduous Forest.

A.

Dense canopy of broad-leaf trees

B.

Presence of succulent plants with long roots

C.

High biodiversity with evergreen species

D.

Presence of mangrove species
Correct Answer: B

Solution:

Thorn Forests and Scrubs are characterized by succulent plants with long roots that help them survive in arid conditions with less than 70 cm of rainfall.

A.

Tropical Evergreen Forest

B.

Montane Forest

C.

Mangrove Forest

D.

Tropical Thorn Forest
Correct Answer: C

Solution:

The Royal Bengal Tiger is commonly found in mangrove forests, such as those in the Sundarbans.

A.

They are found in mountainous regions.

B.

They have trees with thick bark to conserve water.

C.

They are located in coastal areas influenced by tides.

D.

They are found in areas with less than 70 cm of rainfall.
Correct Answer: C

Solution:

Mangrove Forests are located in coastal areas influenced by tides, where mud and silt accumulate.

A.

Tropical Evergreen Forests

B.

Montane Forests

C.

Tropical Deciduous Forests

D.

Mangrove Forests
Correct Answer: B

Solution:

Montane Forests, specifically the wet temperate type, are characterized by evergreen broad-leaf trees such as oaks and chestnuts, found between 1000 and 2000 meters.

A.

Camel

B.

Lion

C.

Elephant

D.

Wild Ass
Correct Answer: C

Solution:

Elephants are typically found in hot wet forests, not in the arid regions where Thorn Forests and Scrubs are located.

A.

Neem

B.

Sarpagandha

C.

Tulsi

D.

Jamun
Correct Answer: B

Solution:

Sarpagandha is a medicinal plant used to treat blood pressure and is found exclusively in India.

A.

Tropical Evergreen Forests

B.

Tropical Deciduous Forests

C.

Mangrove Forests

D.

Montane Forests
Correct Answer: B

Solution:

Tropical Deciduous Forests, also known as monsoon forests, shed their leaves in the dry season to conserve water.

A.

Presence of mangroves

B.

Succulent stems to conserve water

C.

Succession of vegetation belts with altitude

D.

Evergreen trees with no definite leaf-shedding period
Correct Answer: C

Solution:

Montane Forests are characterized by a succession of vegetation belts with increasing altitude.

A.

Elephant

B.

One-horned rhinoceros

C.

Snow leopard

D.

Lemur
Correct Answer: C

Solution:

The Snow leopard is typically found in the higher altitudes of the Himalayas, not in the Tropical Evergreen Forests, which are home to elephants, one-horned rhinoceroses, and lemurs.

A.

Tundra

B.

Tidal

C.

Himalayan

D.

Tropical Evergreen
Correct Answer: D

Solution:

Rubber is a tropical plant and is found in Tropical Evergreen forests.

A.

Elephant

B.

One-horned rhinoceros

C.

Royal Bengal Tiger

D.

Snow Leopard
Correct Answer: B

Solution:

The one-horned rhinoceros is commonly found in the swampy and marshy lands of Assam and West Bengal.

A.

Teak

B.

Sal

C.

Acacia

D.

Rosewood
Correct Answer: C

Solution:

Acacia is a common tree found in the thorn forests and scrubs, which are adapted to arid conditions.

A.

Elephant

B.

Snow Leopard

C.

Royal Bengal Tiger

D.

One-horned Rhinoceros
Correct Answer: B

Solution:

The Snow Leopard is commonly found in the Montane Forests.

A.

100 cm

B.

50 cm

C.

70 cm

D.

less than 50 cm
Correct Answer: A

Solution:

Cinchona trees require a high amount of rainfall, typically more than 100 cm.

A.

They are found in areas with more than 200 cm of rainfall.

B.

Trees in these forests shed their leaves in a specific season.

C.

These forests appear green all year round.

D.

Ebony and mahogany are commercially important trees found here.
Correct Answer: B

Solution:

Tropical Evergreen Forests do not have a specific season for shedding leaves, which is why they appear green throughout the year.

A.

Tropical Evergreen Forests

B.

Tropical Deciduous Forests

C.

Thorn Forests and Scrubs

D.

Mangrove Forests
Correct Answer: C

Solution:

Thorn Forests and Scrubs have trees that are scattered with long roots penetrating deep into the soil to access moisture.

A.

Tropical Evergreen Forest

B.

Tropical Deciduous Forest

C.

Mangrove Forest

D.

Montane Forest
Correct Answer: B

Solution:

Tropical Deciduous Forests, also known as monsoon forests, shed their leaves in dry summer.

A.

Madhya Pradesh

B.

Gujarat

C.

Rajasthan

D.

Uttar Pradesh
Correct Answer: B

Solution:

The Gir Forest, located in Gujarat, is the last remaining habitat of the Asiatic lion. It is a protected area dedicated to the conservation of this endangered species.

A.

Tropical Evergreen Forests

B.

Tropical Deciduous Forests

C.

Montane Forests

D.

Mangrove Forests
Correct Answer: B

Solution:

Tropical Deciduous Forests, also known as monsoon forests, are found in areas receiving rainfall between 200 cm and 100 cm. Teak and sal are common species in these forests.

A.

Elephant

B.

Snow Leopard

C.

Royal Bengal Tiger

D.

One-horned Rhinoceros
Correct Answer: B

Solution:

The Snow Leopard is commonly found in the montane forests of India.

A.

Asiatic Lion

B.

Royal Bengal Tiger

C.

One-horned Rhinoceros

D.

Indian Elephant
Correct Answer: B

Solution:

The 'Project Tiger' initiative is specifically aimed at the conservation of the Royal Bengal Tiger in India. It was launched in 1973 to protect the tiger population and its habitat.

A.

Western Ghats

B.

Thar Desert

C.

Ganga-Brahmaputra delta

D.

Himalayan foothills
Correct Answer: C

Solution:

Mangrove forests are primarily found in the Ganga-Brahmaputra delta, where the tidal influence creates suitable conditions for their growth.

A.

Nilgiri

B.

Panna

C.

Sundarbans

D.

Nanda Devi
Correct Answer: B

Solution:

Panna is not included in the world network of biosphere reserves, while the others are.

A.

Tropical Evergreen Forests

B.

Mangrove Forests

C.

Tropical Deciduous Forests

D.

Montane Forests
Correct Answer: B

Solution:

The Sundari tree is found in Mangrove Forests, particularly in the Ganga-Brahmaputra delta.

A.

Manas

B.

Nilgiri

C.

Gulf of Mannar

D.

Panna
Correct Answer: D

Solution:

Panna is not included in the world network of biosphere reserves, whereas Manas, Nilgiri, and Gulf of Mannar are included.

A.

High altitude

B.

Heavy rainfall

C.

Tidal influence

D.

Dry climate
Correct Answer: C

Solution:

Mangrove forests are found in coastal areas influenced by tides, where mud and silt accumulate, creating a unique ecosystem.

A.

Panna

B.

Gulf of Mannar

C.

Achanakmar-Amarkantak

D.

Kachchh
Correct Answer: B

Solution:

The Gulf of Mannar is included in the world network of biosphere reserves. It is one of the 12 Indian bio-reserves recognized globally for its ecological significance.

A.

Teak

B.

Pine

C.

Ebony

D.

Acacia
Correct Answer: C

Solution:

Ebony is a commercially important tree found in tropical evergreen forests, which are characterized by high rainfall and dense vegetation.

A.

Manas

B.

Nilgiri

C.

Gulf of Mannar

D.

Panna
Correct Answer: D

Solution:

Panna is not included in the world network of bio-reserves.

A.

Elephant

B.

Snow Leopard

C.

Royal Bengal Tiger

D.

One-horned Rhinoceros
Correct Answer: B

Solution:

The snow leopard is commonly found in the montane forests of India, particularly in the higher altitudes of the Himalayas.

A.

Western Ghats

B.

Himalayan slopes

C.

Thar Desert

D.

Sundarbans
Correct Answer: B

Solution:

Montane Forests are found in the Himalayan slopes where the altitude and temperature conditions favor the growth of coniferous trees such as pine and deodar.

True or False

Correct Answer: True

Solution:

The Nilgiri biosphere reserve is one of the Indian bio-reserves included in the world network of biosphere reserves.

Correct Answer: True

Solution:

The Rann of Kachchh, an arid region, is the habitat for wild ass and camels, adapted to its harsh conditions.

Correct Answer: True

Solution:

Rubber trees belong to the Tropical Evergreen Forests, which thrive in areas with high rainfall and consistent warm temperatures.

Correct Answer: True

Solution:

The Sundarbans is one of the biosphere reserves included in the world network, as mentioned in the excerpts.

Correct Answer: True

Solution:

Montane forests, located at high altitudes, are characterized by coniferous trees such as pine, deodar, silver fir, and spruce.

Correct Answer: True

Solution:

India is unique in having both tigers and lions, with tigers found in various forests and lions primarily in the Gir Forest.

Correct Answer: True

Solution:

The Gir Forest in Gujarat is the last remaining habitat of the Asiatic lion.

Correct Answer: True

Solution:

The Royal Bengal Tiger is a famous animal found in mangrove forests.

Correct Answer: True

Solution:

Simlipal bio-reserve is indeed located in Odisha, as mentioned in the exercise.

Correct Answer: False

Solution:

The Simlipal bio-reserve is located in the state of Odisha.

Correct Answer: True

Solution:

According to the provided excerpts, the Simlipal bio-reserve is indeed located in Odisha.

Correct Answer: True

Solution:

The excerpts state that the Gir Forest is indeed the last remaining habitat of the Asiatic lion.

Correct Answer: False

Solution:

Mangrove forests are typically found in coastal areas influenced by tides, not in the Himalayan region.

Correct Answer: True

Solution:

Rubber is classified under tropical evergreen vegetation, which is characterized by dense, lush forests found in areas with high rainfall.

Correct Answer: False

Solution:

Tropical Evergreen Forests are found in areas with more than 200 cm of rainfall.

Correct Answer: False

Solution:

Cinchona trees are found in areas with more than 200 cm of rainfall, typical of tropical evergreen forests.

Correct Answer: False

Solution:

Cinchona trees are found in areas with more than 100 cm of rainfall, making them unsuitable for regions with less than 50 cm of rainfall.

Correct Answer: True

Solution:

The Wildlife Protection Act was indeed implemented in India in 1972.

Correct Answer: False

Solution:

Tropical Evergreen Forests are found in areas with more than 200 cm of rainfall, not less than 70 cm.