Q. No.Which of the following areas on Earth has the greatest biodiversity?
1. Amazonian rain forest in South America
2. Sub Saharan Africa
3. South East Asia
4. Australian continent
1. Amazonian rain forest in South America
2. Sub Saharan Africa
3. South East Asia
4. Australian continent
Subtopic: Biodiversity Patterns |
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Level 1: 80%+
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How does species diversity generally change as we move from the equator toward the poles?
1. It increases
2. It remains constant
3. It decreases
4. It first decreases and then increases
1. It increases
2. It remains constant
3. It decreases
4. It first decreases and then increases
Subtopic: Biodiversity Patterns |
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Level 1: 80%+
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Alexander von Humboldt is known for the concept of:
1. Competitive release
2. Character displacement
3. Species Area relationship
4. Interference competition
1. Competitive release
2. Character displacement
3. Species Area relationship
4. Interference competition
Subtopic: Biodiversity Patterns |
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Which region has the greatest biodiversity on Earth?
| 1. | Temperate forests in the Midwest of the USA |
| 2. | Forests in Greenland at 71° N |
| 3. | Grasslands in New York at 41° N |
| 4. | The Amazonian rainforest in South America |
Subtopic: Biodiversity Patterns |
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What is/are the correct explanation(s) for the species richness of the tropics?
| 1. | Tropics had less evolutionary time for species diversification. |
| 2. | Tropics provide a relatively constant environment. |
| 3. | Tropics receive more solar energy which contributes to greater productivity. |
| 4. | Both 2. and 3. are correct. |
Subtopic: Magnitude of Biodiversity | Biodiversity Patterns |
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With respect to biodiversity in India, examine the following statements and select the correct option.
1. In terms of species diversity, India's share is 8.1%
2. India is one of the 12 mega-diversity countries
3. There are three biodiversity hotspots in India
4. All of these
Subtopic: Biodiversity Patterns |
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On a logarithmic scale, the species-area relationship is a straight line described by the equation
Which symbol represents regression coefficient?
1. S
2. C
3. Z
4. A
Subtopic: Biodiversity Patterns |
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Which of the following statements best describes the latitudinal gradient in species diversity?
| 1. | Species diversity increases as we move away from the equator towards the poles. |
| 2. | Species diversity is evenly distributed throughout the world. |
| 3. | Species diversity decreases as we move away from the equator towards the poles. |
| 4. | Species diversity remains constant across all latitudes. |
Subtopic: Biodiversity Patterns |
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According to the species-area relationship described by Alexander von Humboldt, species richness:
| 1. | Increases indefinitely with increasing explored area. |
| 2. | Decreases with increasing explored area. |
| 3. | Increases with increasing explored area, but only up to a certain limit. |
| 4. | Remains unaffected by the size of the explored area. |
Subtopic: Biodiversity Patterns |
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Straight line relation of species area curve can be expressed as
1. log S = log C + Z log A
2. log C = log Z + S log A
3. C = ASz
4. S = CAz
Subtopic: Biodiversity Patterns |
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