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Mnemonics: Natural Vegetation and Wildlife | Social Studies (SST) Class 9 PDF Download

1. Types of Natural Vegetation in India

Mnemonic: "Every Decent Thorny Mountain Makes Sense"

  • Every - Evergreen Forests
  • Decent- Deciduous Forests
  • ThornyThorn Forests and Shrubs
  • Mountain - Mountain Forests
  • MakesMangrove Forests
  • Sense- Special (Medicinal Plants)

2. Tropical Evergreen Forests - Key Features

Mnemonics: Natural Vegetation and Wildlife | Social Studies (SST) Class 9

Mnemonic: "RAIN HELPS EMR"

  • R - Rain > 200 cm
  • A - Always green (no leaf shedding)
  • I - Islands (Andaman, Nicobar), Assam, W. Ghats
  • N - No commercial ease (dense variety)
  • H - Hardwood trees (Ebony, Rosewood, etc.)
  • E - Elephant, Lemur, Deer (Fauna)
  • L - Long trees (up to 60 m)
  • P - Plant diversity high
  • S - Short dry season
  • EMR - Ebony, Mahogany, Rosewood

3. Tropical Deciduous Forests

Mnemonics: Natural Vegetation and Wildlife | Social Studies (SST) Class 9

Mnemonic: "Most Dry Leaves Fall"

  • Most - Moist Deciduous (100–200 cm rainfall)
  • Dry - Dry Deciduous (70–100 cm rainfall)
  • Leaves - Leaves shed 6–8 weeks
  • Fall - Forests spread wide in India

Moist Deciduous Mnemonic: "Salty Arjun Sang Songs Boldly"

  • Sal, Arjun, Sandalwood, Shisham, Bamboo

Dry Deciduous Mnemonic: "Teen People Need Trees"

  • Teak, Peepal, Neem, Trees for cultivation

4. Thorn Forests & Shrubs – Features

Mnemonics: Natural Vegetation and Wildlife | Social Studies (SST) Class 9

Mnemonic: "SHARP D LIFE"

  • S - Semi-arid regions (Rajasthan, Gujarat, etc.)
  • H - Haryana, MP, UP included
  • A - Arid < 70 cm rainfall
  • R - Remain leafless mostly
  • P - Plants: Palas, Khejri, Kikar, Babul
  • D - Desert shrubs dominate
  • L - Low rainfall
  • I - Insect-resistant trees
  • F - Fewer tree types
  • E - Express thorny vegetation

Thorn Forests – Trees & Areas
Mnemonic: "Big Wild Kings Need Powerful Knives"

  • Big – Babul
  • WildWild Date Palm
  • Kings – Kikar
  • Need – Neem
  • Powerful – Punjab (SW)
  • Knives – Khejri

5. Mountain Forests – Altitude & Trees

Mnemonics: Natural Vegetation and Wildlife | Social Studies (SST) Class 9

Mnemonic: "One Cold Pretty Spruce Jumped Above"

  • 1,000–2,000 m: Oak, Chestnut (Wet Temperate)
  • 1,500–3,000 m: Pine, Deodar, Spruce, Fir
  • Above 3,600 m: Juniper, Alpine Grasslands

Mnemonic for Nomadic Grazers: "Great Bakarwal Grazers"

  • Gujjars, Bakarwals graze Alpine grasslands

6. Mangrove Forests – Features & Fauna

Mnemonics: Natural Vegetation and Wildlife | Social Studies (SST) Class 9

Mnemonic: "SUNDAR ROOTS GROW DEEP"

  • Sundari Tree (Main tree of Sundarbans)
  • Roots submerged (mangroves)
  • Ganga, Godavari, Mahanadi, Kaveri deltas
  • Dense and tide-affected
  • Royal Bengal Tiger lives here

Mnemonic for Animals: "Royal TCGS"

  • Tiger, Crocodile, Gharial, Snake

7. Medicinal Plants – Examples & Uses

Mnemonic: "Some Jam And Neem Taste Really Bitter"

  • Some - Sarpgandha: BP control
  • Jam - Jamun: Diabetes, digestion
  • And - Arjun: Ear pain, BP
  • Neem - Neem: Antibiotic
  • Taste - Tulsi: Cough/cold
  • Really - Root of Kachnar: Ulcers, digestion
  • Bitter- Babul: Eye sore, gum tonic

8. Wildlife Biodiversity – Key Fauna and Region

Mnemonic: "Every Real Wild Cat Is Leo"

  • Every - Elephant (Assam, Kerala, Karnataka)
  • Real - Rhinoceros (Assam, W. Bengal)
  • Wild - Wild Ass, Camel (Kachchh, Thar Desert)
  • Cat - Chinkara, Chousingha, Nilgai, Deer
  • Is- Indian Lion (Gir, Gujarat)
  • Leo - Leopard, widespread predator

9. Causes of Wildlife Depletion

Mnemonic: "HIPED"

  • H - Hunting
  • I - Industrial pollution
  • P - Population pressure/deforestation
  • E - Exotic species
  • D - Destruction of habitat

10. Wildlife Conservation Projects

Mnemonic: "Three Great Rock Steps"

  • T – Project Tiger
  • G – Project Great Indian Bustard
  • R – Project Rhino
  • SSanctuaries, National Parks, Biosphere Reserves

The document Mnemonics: Natural Vegetation and Wildlife | Social Studies (SST) Class 9 is a part of the Class 9 Course Social Studies (SST) Class 9.
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FAQs on Mnemonics: Natural Vegetation and Wildlife - Social Studies (SST) Class 9

1. What is natural vegetation and why is it important?
Ans.Natural vegetation refers to the plant life that has not been significantly altered by human activity. It plays a crucial role in maintaining ecological balance, providing habitat for wildlife, contributing to soil fertility, and regulating the climate.
2. What are the different types of natural vegetation found around the world?
Ans.The main types of natural vegetation include forests, grasslands, deserts, and tundras. Each type is characterized by specific climate conditions, soil types, and the types of plants and animals that inhabit those areas.
3. How do climate and soil affect the distribution of natural vegetation?
Ans. Climate influences the types of vegetation that can thrive in an area through factors such as temperature and precipitation. Soil quality and composition also determine which plants can grow, as different species have varying nutrient and moisture requirements.
4. What is the relationship between natural vegetation and wildlife?
Ans.Natural vegetation provides essential habitats for wildlife. Different species depend on specific types of vegetation for food, shelter, and breeding grounds. The health of wildlife populations is often closely linked to the condition of their natural habitats.
5. How can human activities impact natural vegetation and wildlife?
Ans.Human activities such as deforestation, urbanization, and pollution can lead to habitat destruction, loss of biodiversity, and changes in the ecosystem. These impacts can disrupt the balance of natural vegetation and threaten wildlife survival.
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