- 1(current)
Q. No.A physical structure that is characteristic of each type of ecosystem is due to:
| 1. | Interaction between various biotic components of the ecosystem |
| 2. | Interaction between various abiotic components of the ecosystem |
| 3. | Interaction between various biotic and abiotic components of the ecosystem |
| 4. | Interaction of producers with abiotic components of the ecosystem |
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Organisms that are capable of conversion of inorganic material into organic material with the help of the radiant energy of the sun include:
| I: | Plants |
| II: | Photosynthetic bacteria |
| III: | Chemosynthetic bacteria |
| 1. | I only | 2. | I and II only |
| 3. | I and III only | 4. | I, II, and III |
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Stratification of an ecosystem means:
| 1. | Vertical distribution of different species occupying different levels |
| 2. | Vertical distribution of different species occupying the same levels |
| 3. | Horizontal distribution of different species occupying different levels |
| 4. | Horizontal distribution of different species occupying the same levels |
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The best way to describe an ecosystem would be that they are:
| 1. | processors of energy and transformers of matter. |
| 2. | processors of matter and transformers of energy. |
| 3. | processors of matter and energy. |
| 4. | transformers of matter but not of energy. |
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Q. No.
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