Which one of the following has maximum genetic diversity in India?
1. Teak
2. Mango
3. Wheat
4. Tea
Q.14 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 |
Q.18 Which of the below-mentioned regions exhibit less seasonal variations?
1. Tropics
2. Temperates
3. Alpines
4. Both (a) and (b)
Q.5 Which one of the following is not a feature of biodiversity hotspots?
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. |
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) |