Natural Vegetation — Flashcards
Gujarat Board · Class 9 · Social Science
20 flashcards for Natural Vegetation (Gujarat Board Class 9 Social Science) to test yourself on key terms and facts. Sample: "What is Natural Vegetation?"
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What is Natural Vegetation?
Answer
Natural Vegetation refers to plant communities that grow naturally without human intervention. It includes trees, shrubs, and other plants that grow in their natural environment based on climate, soil…
List the six main factors that create diversity in India's natural vegetation.
Answer
1. Relief features (mountains, plateaus, plains) 2. Soil types (alluvial, black, mountain, desert) 3. Temperature variations 4. Insolation (sunshine) 5. Rainfall distribution 6. Humidity levels…
What is India's global ranking in terms of vegetation diversity?
Answer
India holds the 10th position in the world and 4th position in Asia in terms of vegetation diversity. India has about 5000 varieties of trees, out of which 450 are commercially useful.
Name the five types of Natural Vegetation Regions in India.
Answer
1. Tropical Rain Forests (Evergreen) 2. Tropical Deciduous Forests (Monsoon) 3. Tropical Desert Vegetation (Thorny) 4. Temperate Forests and Grasslands 5. Mangrove (Tidal) Forests…
Where are Tropical Rain Forests found and what are their rainfall and temperature requirements?
Answer
Distribution: Western Ghats, Lakshadweep, Andaman-Nicobar Islands, upper Assam, coastal Tamil Nadu Requirements: Annual rainfall exceeds 200 cm, temperature more than 22°C Trees: Mahogany, ebony, rose…
Why are Tropical Rain Forests also called Evergreen Forests?
Answer
They are called Evergreen Forests because: - Trees remain green throughout the year - There is no autumn season - Trees don't shed all their leaves at once - High humidity and consistent temperature m…
What are the characteristics of Tropical Deciduous Forests and why are they called Monsoon Forests?
Answer
Characteristics: - Trees shed leaves for 6-8 weeks during autumn - Different species shed leaves at different times - Rainfall: 70-200 cm annually Called Monsoon Forests because trees shed leaves acco…
Name the major trees found in Tropical Deciduous Forests.
Answer
Major trees include: - Teak - Sal (Saal) - Sesame - Sandalwood - Kher (Acacia catechu) - Bamboo…
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