- 1(current)
Q. No.Which one of the following processes during decomposition is correctly described?
| 1. | Humanification-Leads to the accumulation of a dark-coloured substance in humans which undergoes microbial action at a very fast rate |
| 2. | Catabolism-Last step decomposition under fully anaerobic condition |
| 3. | Leaching-Water soluble inorganic nutrients rise to the top layers of the soil |
| 4. | Fragmentation-Carried out by organisms such as earthworms |
Subtopic: Decomposition |
80%
From NCERT
AIPMT - 2013
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Pheretima and its close relatives derive nourishment from:
1. Sugarcane roots
2. Decaying fallen leaves and soil organic matter
3. Soil insects
4. Small pieces of fresh fallen leaves of maize
Subtopic: Decomposition |
88%
From NCERT
AIPMT - 2012
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The breakdown of detritus into smaller particles by earthworm is a process called:
1. Catabolism
2. Humification
3. Fragmentation
4. Mineralisation
Subtopic: Decomposition |
92%
From NCERT
AIPMT - 2011
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The slow rate of decomposition of fallen logs in nature is due to their:
1. low moisture content
2. poor nitrogen content
3. anaerobic environment around them
4. low cellulose content
Subtopic: Decomposition |
AIPMT - 2008
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- 1(current)
Q. No.
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