Natural Vegetation and Wildlife
Bihar Board · Class 9 · Social Science
Flashcards for Natural Vegetation and Wildlife — Bihar Board Class 9 Social Science. Quick Q&A cards covering key concepts, definitions, and formulas.
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See them allWhat is natural vegetation? How is it different from cultivated vegetation?
Answer
Natural vegetation refers to a plant community that has grown naturally without human aid and has been left undisturbed by humans for a long time. This is also called virgin vegetation. Unlike cultiva…
What are endemic species? Give an example from India.
Answer
Endemic or indigenous species are plants and animals that are purely native to a particular region and found naturally only there. Example: Sarpagandha is an endemic medicinal plant found only in Indi…
What are the five major types of vegetation found in India?
Answer
The five major types of vegetation in India are: (1) Tropical Evergreen Forests, (2) Tropical Deciduous Forests, (3) Tropical Thorn Forests and Scrubs, (4) Montane Forests, and (5) Mangrove Forests.
Describe the characteristics of Tropical Evergreen Forests.
Answer
Tropical Evergreen Forests are found in areas with over 200 cm rainfall and short dry seasons. Trees grow up to 60+ meters height with multilayered structure (trees, shrubs, creepers). They remain gre…
Name five commercially important trees of Tropical Evergreen Forests.
Answer
Five commercially important trees of Tropical Evergreen Forests are: Ebony, Mahogany, Rosewood, Rubber, and Cinchona.
What animals are commonly found in Tropical Evergreen Forests?
Answer
Common animals in Tropical Evergreen Forests include elephants, monkeys, lemurs, deer, one-horned rhinoceroses (in Assam and West Bengal), birds, bats, sloths, scorpions, and snails.
Why are Tropical Deciduous Forests called 'Monsoon Forests'?
Answer
Tropical Deciduous Forests are called 'Monsoon Forests' because they are found in regions receiving monsoon rainfall between 70-200 cm annually. Trees shed their leaves for 6-8 weeks during the dry su…
What is the difference between moist and dry deciduous forests?
Answer
Moist Deciduous Forests: Receive 100-200 cm rainfall, found in northeastern states, Himalayas foothills, eastern Western Ghats. Dry Deciduous Forests: Receive 70-100 cm rainfall, found in peninsular p…
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