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During the decomposition of detritus, the correct chronological sequence of steps involved is:
| 1. | Fragmentation → Leaching → Catabolism |
| 2. | Catabolism → Leaching → Fragmentation |
| 3. | Leaching → Fragmentation → Catabolism |
| 4. | There is no sequence as all steps occur simultaneously |
Subtopic: Decomposition |
Level 3: 35%-60%
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Humification results in the formation of ---- substance
1. Colloidal, Basic
2. Acidic, Dark coloured
3. Amorphous, Light coloured
4. Light-coloured, Colloidal
1. Colloidal, Basic
2. Acidic, Dark coloured
3. Amorphous, Light coloured
4. Light-coloured, Colloidal
Subtopic: Decomposition |
53%
Level 3: 35%-60%
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Read the following statements and select the correct option.
1. Only statement A is correct
2. Only statement B is correct
3. Both statements A and B are correct
4. Both statements A and B are incorrect
| Statement A: | Detritus is raw material for decomposition. |
| Statement B: | Detritus food chain does not involve autotrophs. |
2. Only statement B is correct
3. Both statements A and B are correct
4. Both statements A and B are incorrect
Subtopic: Decomposition |
60%
Level 2: 60%+
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During decomposition, degradation of detritus into simpler inorganic substances is called:
1. Catabolism
2. Leaching
3. Chelation
4. Fragmentation
1. Catabolism
2. Leaching
3. Chelation
4. Fragmentation
Subtopic: Decomposition |
60%
Level 2: 60%+
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Which of the following is not correct regarding the decomposition of wastes?
| (a) | Low temperature inhibits decomposition |
| (b) | Warm and moist environment favors the process |
| (c) | The process is anaerobic |
| (d) | It is slower if detritus is rich in proteins and carbohydrates |
| (e) | Detritus is degraded into simpler inorganic substance by fungal and bacterial enzymes |
Choose the correct answer from the options given below:
| 1. | (b) and (c) only | 2. | (c), (a) and (d) only |
| 3. | (c) and (d) only | 4. | (c), (d) and (e) only |
Subtopic: Decomposition |
63%
Level 2: 60%+
NEET - 2022
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