- 1(current)
Q. No.| Statement I: | The terms detritivore and decomposer describe same organisms. |
| Statement II: | Both are unable to ingest discrete lumps of matter, but instead live by absorbing and metabolizing on a molecular scale. |
2. Only Statement II is correct.
3. Both Statement I and Statement II are correct.
4. Both Statement I and Statement II are incorrect.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyBy process of leaching during decomposition of detritus, water soluble :
| 1. | organic nutrients go down the soil horizon and get precipitated as available salts |
| 2. | inorganic nutrients go down the soil horizon and get precipitated as unavailable salts |
| 3. | organic nutrients go down the soil horizon and get precipitated as available salts |
| 4. | inorganic nutrients go down the soil horizon and get precipitated as available salts |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyDuring decomposition of detritus, the step that is performed by bacteria and fungi includes:
1. Catabolism only
2. Catabolism and fragmentation
3. Leaching and catabolism
4. Fragmentation, Leaching and Catabolism
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe three steps of decomposition occur:
1. sequentially, with catabolism being the last step.
2. sequentially, with leaching being the last step.
3. simultaneously.
4. sequentially, but not in a particular order.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyHumus:
1. Is easily broken down by microbes
2. Undergoes decomposition rapidly
3. Serves as a reservoir of nutrients
4. Yields organic nutrients on mineralization
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe process of mineralization by micro-organisms helps in the release of:
| 1. | Inorganic nutrients from humus |
| 2. | Both organic and inorganic nutrients from detritus |
| 3. | Organic nutrients from humus |
| 4. | Inorganic nutrients from detritus and formation of humus |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyDecomposition of detritus is rapid when:
1. It is rich in lignin and chitin
2. Ambient temperature is low
3. Environment favours anaerobiosis
4. It predominantly contains nitrogen and sugars
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAmong the following, where do you think the process of decomposition would be the fastest?
| 1. | Tropical rain forest | 2. | Antarctic |
| 3. | Dry arid region | 4. | Alpine region |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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