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 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPheretima 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe breakdown of detritus into smaller particles by earthworm is a process called:
1. Catabolism
2. Humification
3. Fragmentation
4. Mineralisation
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. low moisture content
2. poor nitrogen content
3. anaerobic environment around them
4. low cellulose content
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology