- 1(current)
Q. No.There are certain limitations of ecological pyramids which include:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | They do not take into account the same species belonging to two or more trophic levels. |
| II: | They do not accommodate a food web. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Ecological Pyramids |
88%
Level 1: 80%+
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How many of the given statements are true?
1. 1
2. 2
3. 3
4. 4
| I: | The trophic level of an organism is the position it occupies in a food web. |
| II: | The trophic level represents species and not a functional level. |
| III: | A given organism occupies only one trophic level in a food chain. |
| IV: | The trophic level of an organism is the number of steps it is from the start of the chain. |
1. 1
2. 2
3. 3
4. 4
Subtopic: Ecological Pyramids |
51%
Level 3: 35%-60%
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Ecological pyramids represent the:
| 1. | Biomass, energy, or number of organisms at each trophic level in a food chain. |
| 2. | Interaction between different species within an ecosystem. |
| 3. | Migration patterns of different species in an ecosystem. |
| 4. | Reproductive success rate across different trophic levels. |
Subtopic: Ecological Pyramids |
94%
Level 1: 80%+
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Consider the given two statements:
| Assertion (A): | In a terrestrial ecosystem, the pyramid of biomass is generally upright. |
| Reason (R): | Producers have a higher biomass than that of consumers in terrestrial ecosystems. |
Choose the correct option.
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Ecological Pyramids |
93%
Level 1: 80%+
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About what per cent of the energy in the sunlight, available to them, primary producers can convert into Net Primary Productivity (NPP)?
1. 1
2. 10
3. 50
4. 90
1. 1
2. 10
3. 50
4. 90
Subtopic: Ecological Pyramids |
55%
Level 3: 35%-60%
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Which of the following ecological pyramids is/are never inverted in any ecosystem?
1. Only I and II
2. Only III
3. Only I and III
4. I, II and III
| I: | Pyramid of numbers |
| II: | Pyramid of biomass |
| III: | Pyramid of energy |
2. Only III
3. Only I and III
4. I, II and III
Subtopic: Ecological Pyramids |
86%
Level 1: 80%+
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Q. No.
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