India holds parts of how many of the world's 36 recognised biodiversity hotspots?

Four. India holds parts of four hotspots: the Himalaya, Indo-Burma, the Western Ghats and Sri Lanka, and Sundaland. Three is NCERT's older count, which leaves out Sundaland. Sundaland reaches India only through the Nicobar Islands. Read more: EnvEco0222 — India's Biodiversity Hotspots and Megadiverse Status.

Which one of the following is NOT a biodiversity hotspot that covers any part of India?

Eastern Ghats. The Eastern Ghats are not a biodiversity hotspot. India's four hotspots are the Himalaya, Indo-Burma, the Western Ghats and Sri Lanka, and Sundaland. Sundaland covers India's Nicobar Islands. Read more: EnvEco0222 — India's Biodiversity Hotspots and Megadiverse Status.

Assertion (A): The Andaman and Nicobar Islands, though one Union Territory, fall in two different biodiversity hotspots. Reason (R): The Andaman Islands lie in the Indo-Burma hotspot, while the Nicobar Islands lie in the Sundaland hotspot.

Both A and R are true, and R is the correct explanation of A. Both statements are true, and R explains A. The Andaman Islands are part of the Indo-Burma hotspot. The Nicobar Islands form the north-western tip of Sundaland. That is exactly why one Union Territory sits in two hotspots. Read more: EnvEco0222 — India's Biodiversity Hotspots and Megadiverse Status.

Arrange the following events about biodiversity hotspots in chronological order: 1. Norman Myers names 10 tropical forest hotspots. 2. The North American Coastal Plain becomes the 36th hotspot. 3. Conservation International adopts the hotspot idea. 4. The Forests of East Australia become the 35th hotspot. Select the correct answer using the code given below.

1-3-4-2. The order is 1-3-4-2. Norman Myers named 10 hotspots in 1988. Conservation International adopted the idea in 1989. The Forests of East Australia became the 35th hotspot in 2011. The North American Coastal Plain became the 36th in 2016. Read more: EnvEco0222 — India's Biodiversity Hotspots and Megadiverse Status.

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Consider the following statements: 1. To be a biodiversity hotspot, a region must have at least 1,500 endemic vascular plant species. 2. To be a megadiverse country, a country must have at least 5,000 endemic plant species. 3. To be a megadiverse country, a country must have lost at least 70% of its primary vegetation. Which of the statements given above is/are correct?

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