Question

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Which of the following criteria are considered to declare hotspots of biodiversity ?
1. Species richness
2. Vegetation density
3. Endemism
4. Ethno-botanical importance
5. Threat perception
6. Adaptation of flora and fauna to warm and humid conditions
Select the correct answer code:

• A. 1, 2 and 6 only
• B. 2, 4 and 6 only
• C. 1, 3 and 5 only
• D. 3, 4 and 6 only

Answer 1

The correct option is C 1, 3 and 5 only

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> A region must meet two strict criteria to qualify as a hotspot:
(a) It must contain at least 1,500 species of vascular plants (>0.5 percent of the world's total) as endemics,
(b) It has to have lost at least 70 percent of its original habitat.
So Species richness as well as Endemism are chosen.
Along with this, threat perception is necessary to take, because it makes the base of this concept.
Adaptation of flora is an arbitrary option, Ethno-botanical importance is not related with the Biodiversity Hotspot selection criteria, vegetation Density is also discarded.