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Question #46979
The Question
In a terrestrial ecosystem, a sudden influx of detritus predominantly composed of fungal cell walls (rich in chitin) and woody debris (rich in lignin) occurs. According to the principles of decomposition kinetics, which of the following statements accurately describes the subsequent ecological event?
Options
- A.
The rate of decomposition will accelerate due to the high energy yield of chitin, leading to rapid nitrogen mineralization.
- B.
Soil microbes will exhibit increased nutrient immobilization, temporarily depleting the soil of available inorganic nitrogen.
- C.
The detritus will undergo rapid catabolism by saprophytic bacteria, bypassing the fragmentation step by detritivores.
- D.
The high lignin content will stimulate the immediate leaching of water-soluble inorganic nutrients into the soil profile.
Check Your Answer
Correct Answer
Step-by-Step Solution
Explanation
How the Examiner Thinks
Comparative_Analysis
Sharpen your ability to evaluate multiple scenarios and distinguish between competing potential answers.
Concepts Behind This Question
Basal_Bodies|Microtubule_Organizing_Center|Apical_Membrane
Why This Question Is Tricky
Common Mistakes
Conceptual Pivot: Students often memorize the NCERT fact that 'lignin and chitin slow down decomposition' but fail to synthesize its secondary effect on the nitrogen cycle.
The trap is assuming slow decomposition means 'no interaction' with soil nutrients, whereas it actively drives nutrient immobilization, creating a temporary nitrogen deficit in the soil.
Quick Facts About This Question
Question Information
| Subject | Biology |
| Chapter | Biological Classification - Class 11 |
| Concept | Protozoan Locomotory Organs |
| Difficulty | 8 |
| Cognitive Load | 5 |
| Target Solve Time | 120 sec |
| Access | Free |