Notes on Natural Vegetation and Wildlife Class 9 SST

Notes on Natural Vegetation and Wildlife Class 9 SST

1. Introduction

  • India is one of the 12 mega bio-diversity countries in the world.
  • It has about 47,000 plant species (10th place globally, 4th in Asia).
  • Around 15,000 flowering plants (6% of the world’s total).
  • 90,000 animal species, including a rich variety of fish.
  • Flora refers to plant species, while Fauna refers to animal species.

2. Types of Vegetation in India

  1. Tropical Evergreen Forests
    • Found in Western Ghats, Andaman & Nicobar Islands, Assam, and Tamil Nadu coast.
    • Receive more than 200 cm rainfall; no definite leaf-shedding period.
    • Trees grow up to 60 meters high.
    • Major trees: Ebony, Mahogany, Rosewood, Rubber, Cinchona.
    • Wildlife: Elephants, Monkeys, Lemurs, One-horned Rhinoceros, Sloths, Bats, Scorpions.
  2. Tropical Deciduous Forests(Monsoon Forests)
    • Most widespread in India, rainfall 200-70 cm.
    • Trees shed leaves for 6-8 weeks in summer.
    • Two types:
      • Moist Deciduous (Rainfall 200-100 cm) – Found in northeast India, Jharkhand, Chhattisgarh, Odisha.
      • Dry Deciduous (Rainfall 100-70 cm) – Found in Bihar, UP, and central India.
    • Major trees: Teak, Sal, Shisham, Sandalwood, Neem, Peepal.
    • Wildlife: Lions, Tigers, Deer, Elephants, Birds, Snakes, Tortoises.
  3. Thorn Forests and Scrubs
    • Found in semi-arid regions of Rajasthan, Gujarat, Madhya Pradesh, Chhattisgarh, UP, Haryana.
    • Rainfall less than 70 cm.
    • Vegetation: Acacia, Palm, Cactus, Euphorbia.
    • Wildlife: Rats, Mice, Rabbits, Foxes, Wolves, Tigers, Lions, Camels, Wild Ass.
  4. Montane Forests(Mountain Forests)
    • Found in Himalayas and high-altitude areas of Northeast & South India.
    • Zones based on altitude:
      • 1,000 – 2,000 m: Evergreen Oak, Chestnut.
      • 1,500 – 3,000 m: Pine, Deodar, Silver Fir, Cedar.
      • Above 3,600 m: Alpine vegetation (Junipers, Birch, Moss, Lichens).
    • Wildlife: Kashmir Stag, Yak, Snow Leopard, Tibetan Antelope, Red Panda.
  5. Mangrove Forests(Tidal Forests)
    • Found in coastal areas influenced by tides (Deltas of Ganga, Mahanadi, Krishna, Godavari, Kaveri).
    • Major trees: Sundari (Sundarbans), Palm, Coconut, Keora.
    • Wildlife: Royal Bengal Tiger, Turtles, Crocodiles, Snakes, Gharials.

3. Wildlife of India

  • India has 90,000+ animal species, 2,000+ bird species, and 2,546+ fish species.
  • Major Animals & Their Habitats:
    • Elephants → Assam, Karnataka, Kerala.
    • One-horned Rhinoceros → Assam, West Bengal (Marshy lands).
    • Wild Ass & Camels → Rann of Kachchh & Thar Desert.
    • Indian Lion → Gir Forest (Gujarat).
    • Tigers → Madhya Pradesh, Sundarbans (West Bengal), Himalayan region.
    • Snow Leopard, Yak, Red Panda → Himalayas & Ladakh.
    • Birds: Peacock, Pheasant, Parakeet, Flamingo (Rann of Kachchh), Siberian Crane (Migratory).

4. Medicinal Plants

  • Sarpagandha → Blood pressure treatment.
  • Jamun → Diabetes control.
  • Arjun → Blood pressure regulation.
  • Babool → Eye sore cure.
  • Neem → Antibiotic properties.
  • Tulsi → Cough and cold relief.
  • Kachnar → Asthma and ulcer treatment.

5. Conservation Efforts

  • Wildlife Protection Act (1972).
  • 18 Biosphere Reserves (Sundarbans, Nanda Devi, Nilgiri, Pachmarhi, etc.).
  • 106 National Parks & 573 Wildlife Sanctuaries.
  • Eco-development Projects: Project Tiger, Project Rhino, Project Great Indian Bustard.
  • Botanical Gardens support (since 1992).

Conclusion

  • Biodiversity conservation is essential to maintain ecological balance.
  • Human activities like hunting, deforestation, industrial pollution are major threats.
  • Sustainable development and awareness can help protect India’s natural vegetation and wildlife.

One-Liner Question-Answers

  1. What is natural vegetation?
    → Plants that grow naturally without human intervention.
  2. What is virgin vegetation?
    → Uncultivated vegetation that remains undisturbed by humans.
  3. What is flora?
    → The plant species of a particular region.
  4. What is fauna?
    → The animal species of a particular region.
  5. How many plant species are found in India?
    → About 47,000 plant species.
  6. How many flowering plants are there in India?
    → Around 15,000 species.
  7. How many animal species are found in India?
    → Around 90,000 species.
  8. Which type of forest is called monsoon forest?
    → Tropical Deciduous Forests.
  9. Which forest type remains green throughout the year?
    → Tropical Evergreen Forests.
  10. Which forests are found in areas with rainfall above 200 cm?
    → Tropical Evergreen Forests.
  11. Which trees are commonly found in tropical evergreen forests?
    → Ebony, Mahogany, Rosewood, Rubber, Cinchona.
  12. Where are tropical evergreen forests found in India?
    → Western Ghats, Andaman & Nicobar Islands, Assam, Tamil Nadu coast.
  13. Which forests shed leaves in dry summer?
    → Tropical Deciduous Forests.
  14. Which forests are most widespread in India?
    → Tropical Deciduous Forests.
  15. Which tree is dominant in tropical deciduous forests?
    → Teak.
  16. Which forests are found in areas with rainfall between 70-100 cm?
    → Dry Deciduous Forests.
  17. Where are thorn forests and scrubs found in India?
    → Rajasthan, Gujarat, Madhya Pradesh, Chhattisgarh, Haryana, Uttar Pradesh.
  18. Which trees are common in thorn forests?
    → Acacia, Palm, Cactus, Euphorbia.
  19. Where are montane forests found?
    → Himalayas, Northeast, and high-altitude regions.
  20. Which trees are found in temperate forests between 1500-3000m altitude?
    → Pine, Deodar, Silver Fir, Spruce, Cedar.
  21. Where are mangrove forests found in India?
    → Deltas of Ganga, Mahanadi, Krishna, Godavari, Kaveri.
  22. Which tree is commonly found in Sundarbans mangrove forests?
    → Sundari tree.
  23. Which animal is famous in the Sundarbans?
    → Royal Bengal Tiger.
  24. Where are one-horned rhinoceroses found in India?
    → Assam and West Bengal.
  25. Where is the Indian lion found?
    → Gir Forest, Gujarat.
  26. Which states have a significant elephant population?
    → Assam, Karnataka, Kerala.
  27. Which animal is found in the Rann of Kachchh?
    → Wild Ass.
  28. Which is the national bird of India?
    → Peacock.
  29. Which migratory bird visits the Rann of Kachchh in winter?
    → Flamingo.
  30. Which migratory bird comes to India from Siberia?
    → Siberian Crane.
  31. Which project was launched to protect tigers in India?
    → Project Tiger.
  32. When was the Wildlife Protection Act passed in India?
    → 1972.
  33. How many biosphere reserves are there in India?
    → 18 biosphere reserves.
  34. Which biosphere reserves of India are included in the world network?
    → Sundarbans, Nanda Devi, Nilgiri, Pachmarhi, etc. (12 total).
  35. Which medicinal plant is used for treating high blood pressure?
    → Sarpagandha.
  36. Which medicinal plant helps in controlling diabetes?
    → Jamun.
  37. Which medicinal plant is useful for treating earaches?
    → Arjun.
  38. Which medicinal plant has antibiotic properties?
    → Neem.
  39. Which forest type has the maximum biodiversity?
    → Tropical Evergreen Forests.
  40. Which forest type is found at the highest altitude in India?
    → Alpine Forests.
  41. What percentage of the world’s birds are found in India?
    → 13%.
  42. How many national parks are there in India?
    → 106 National Parks.
  43. How many wildlife sanctuaries are there in India?
    → 573 Wildlife Sanctuaries.
  44. Which animal is found in Ladakh’s cold desert region?
    → Yak.
  45. Which is the only country having both tigers and lions?
    → India.
  46. Which rare cat species is found in the Himalayas?
    → Snow Leopard.
  47. Which is the largest herbivorous animal found in India?
    → Elephant.
  48. Which river species is protected under the Wildlife Protection Act?
    → Gharial (a type of crocodile).
  49. Which region is home to the Shaggy horn wild ibex?
    → Himalayan region.
  50. Which initiative was taken for the conservation of the Great Indian Bustard?
    → Project Great Indian Bustard.

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