Biodiversity and Conservation
ICSE · Class 12 · Biology
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Which of the following is a correct type of biodiversity?
Species diversity refers to:
Biodiversity generally increases as you move:
A biodiversity hotspot is defined as an area that:
Sample Questions
How many biodiversity hotspots are found in India?
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4
India has 4 biodiversity hotspots: (1) Eastern Himalayas, (2) Western Ghats, (3) Indo-Burma (northeastern India), and (4) Andaman Islands (part of the Sundaland hotspot).
In-situ conservation means protecting species:
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In their natural habitats
In-situ (Latin = "in place") conservation protects species in their natural ecosystems and habitats, including national parks, wildlife sanctuaries, biosphere reserves, and sacred groves.
Ex-situ conservation involves:
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Protecting species outside their natural habitats (zoos, seed banks)
Ex-situ conservation removes organisms from their natural habitat and maintains them in controlled conditions: zoos, botanical gardens, seed banks, cryopreservation, and captive breeding programmes.
The leading cause of biodiversity loss globally is:
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Habitat loss and fragmentation
Habitat destruction (H in HIPPO) is the number one driver of species extinction globally. It includes deforestation, agricultural expansion, urbanisation, and wetland drainage.
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