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Solution


Q.

Identify the correct statements :                                                                                           [2023]
A. Detrivores perform fragmentation.
B. The humus is further degraded by some microbes during mineralisation.
C. Water soluble inorganic nutrients go down into the soil and get precipitated by a process called leaching.
D. The detritus food chain begins with living organisms.
E. Earthworms break down detritus into smaller particles by a process called catabolism.

Choose the correct answer from the options given below:
1 C, D, E only  
2 D, E, A only  
3 A, B, C only  
4 B, C, D only  

Ans.

(3)

The detritus food chain begins with dead organic matter. It comprises decomposers which are heterotrophic organisms, mainly fungi and bacteria. Bacterial and fungal enzymes degrade detritus into simpler or smaller inorganic substances by a process called catabolism.