Match causes to their synthesized ecological effects. Column-IColumn-II(A)High lignin content in detritus(I)Facilitates rapid decomposition, impacting nutrient turnover and ecosystem dynamics(B)Warm and moist environment(II)Reduces decomposition rate, influencing soil organic matter accumulation(C)Anaerobic conditions(III)Accelerates decomposition, affecting immediate nutrient availability and microbial activity(D)High nitrogen content in detritus(IV)Leads to slower decomposition, affecting long-term soil carbon storage

Match causes to their synthesized ecological effects. Colum…

Biology Ecosystem Matching Type Questions Single Correct MCQ

Published on: August 21, 2026

Match causes to their synthesized ecological effects.

	Column-I	Column-II
(A)	High lignin content in detritus	(I)	Facilitates rapid decomposition, impacting nutrient turnover and ecosystem dynamics
(B)	Warm and moist environment	(II)	Reduces decomposition rate, influencing soil organic matter accumulation
(C)	Anaerobic conditions	(III)	Accelerates decomposition, affecting immediate nutrient availability and microbial activity
(D)	High nitrogen content in detritus	(IV)	Leads to slower decomposition, affecting long-term soil carbon storage

-(IV) -(IV) -(II) -(III)

-(I) -(III) -(IV) -(I)

-(II) -(I) -(I) -(IV)

-(III) -(II) -(III) -(II)

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The correct answer is:

High lignin slows decomposition and supports long-term carbon storage.

Warm moist conditions speed decomposition, anaerobic conditions reduce it, and high nitrogen accelerates decomposition.

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