SSC Ecology And Environment Sample Paper NCERT Sample Paper-3

  • question_answer
    Some regions are marked as 'biodiversity hotspots' on account of their endemism and threat. Which of the following regions in India is/are a biodiversity hotspot?
    1. Western Ghats
    2. Eastern Ghats
    3. Eastern Himalayas
    4. Western Himalayas
    Select the correct answer using the codes given below.

    A)  1 and 2 only    

    B)  1 and 3 only

    C)  1, 2 and 3 only

    D)         2 and 4 only

    Correct Answer: B

    Solution :

    [b] A biodiversity hotspot is a biogeographic region with a significant reservoir of biodiversity that is under threat from humans. To qualify as a biodiversity hotspot on Myers 2000 edition of the hotspot-map, a region must meet two strict criteria: 1. it must contain at least 0.5% or 1,500 species of vascular plants as endemics, and 2. it has to have lost at least 70% of its primary vegetation. India has two BH - Western Ghats & Eastern Himalayas

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