Match the step of decomposition in Column I with the process in Column II.

Column I

Column II

P. Fragmentation

1. Enzymatic degradation of detritus into simpler substances

Q. Leaching

2. Breaking of detritus into smaller particles by detritivores

R. Catabolism

3. Movement of water-soluble inorganic nutrients into deeper soil layers

S. Humification

4. Formation of dark, resistant amorphous matter

More NEET Biology chapters

All chapters

Anatomy of Flowering Plants10 questions
Animal Kingdom10 questions
Biological Classification10 questions
Biomolecules10 questions

© 2026 Lumi (Aikolumi Software Pvt Ltd). Original questions written by Lumi. Free to view and practise on this site. Copying, republishing or reproducing these questions, options or solutions, in print or online, is not permitted.

The Lumi app

Practising is step one. Knowing what to practise next is the hard part

The Lumi app tracks every answer, finds the concepts you're losing marks on, and schedules your revision with FSRS before you forget.

Start learning free

Match the step of decomposition in Column I with the process in Column II.

More NEET Biology chapters

Practising is step one. Knowing what to practise next is the hard part.

Practising is step one. Knowing what to practise next is the hard part