Which one of the following has maximum genetic diversity in India?
1. Teak
2. Mango
3. Wheat
4. Tea
Among the ecosystem mentioned below, where can one find maximum biodiversity?
| 1. | Mangroves | 2. | Desert |
| 3. | Coral reefs | 4. | Alpine meadows |
| List I | List II | ||
| A. | Robert May | I. | Species-Area relationship |
| B. | Alexander von Humboldt | II. | Long term ecosystem experiment using outdoor plots |
| C. | Paul Ehrlich | III. | Global species diversity is about 7 million |
| D. | David Tilman | IV. | Rivet Popper hypothesis |
| 1. | Mango | 2. | Wheat |
| 3. | Groundnut | 4. | Rice |
Q.18 Which of the below-mentioned regions exhibit less seasonal variations?
1. Tropics
2. Temperates
3. Alpines
4. Both (a) and (b)
Which one of the following is not a feature of biodiversity hotspots?
1. A large number of species
| A: | Tropical latitudes have remained relatively undisturbed for millions of years, hence more time was available for species diversification. |
| B: | Tropical environments are more seasonal. |
| C: | More solar energy is available in tropics. |
| D: | Constant environments promote niche specialization. |
| E: | Tropical environments are constant and predictable. |
| 1. | A, B and E only |
| 2. | A and B only |
| 3. | A, B and D only |
| 4. | A, C, D and E only |
| Statement l: | Rain forests, which used to cover more than 14% of the earth's land surface, are now reduced to 6%. |
| Statement II: | The Amazon rain forest has the greatest biodiversity on earth. |
| (a) | Plants | (b) | Invertebrates |
| (c) | Fishes | (d) | Mammals |
| (e) | Birds |
| 1. | (a) > (b) > (e) > (d) > (c) | 2. | (a) > (c) > (d) > (b) > (e) |
| 3. | (b) > (a) > (e) > (d) > (c) | 4. | (b) > (a) > (c) > (e) > (d) |