AIIMS 2016
- Exam
- AIIMS
- Year
- 2016
- Subject
- Botany
- Chapter
- Biodiversity and its Conservation
AIIMS 2016 · Botany · Biodiversity and its Conservation
One of the following statements is incorrect with reference to...
One of the following statements is incorrect with reference to biodiversity. Identify it.
Options
- AThe areas with very few plant and animal species (low species richness) with no threatened species are called biodiversity hotspots.
- BBiodiversity increases from higher altitudes to lower altitudes.
- CBiodiversity decreases from the equator to polar regions.
- DDepletion in genetic diversity of crop plants is mainly due to the introduction of better varieties with high yield, disease resistance, etc.
Correct answer
A. The areas with very few plant and animal species (low species richness) with no threatened species are called biodiversity hotspots.
Step-by-step solution
Biodiversity hotspots are areas of high endemism and high level of species richness.
They are determined mainly by three factors:
(i) Number of species/species diversity
(ii) Degree of endemism
(iii) Degree of threat