Arrange the given steps of decomposition cycle in a terrestrial ecosystem in correct sequence?
(A) Bacterial and fungal enzymes degrade detritus into simpler inorganic substances and its catabolism.
(B) Earthworms break-down detritus into smaller particles and is called fragmentation.
(C) Leaching water soluble inorganic nutrients go down into the soil horizon.
(D) Microbes release inorganic nutrients in the soil and it is called mineralisation.
Choose the correct answer from the options given below:
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → (B), (C), (A), (D)
(B) Earthworms break-down detritus into smaller particles and is called fragmentation. — first. Detritivores such as earthworms break the detritus into small pieces.
(C) Leaching water soluble inorganic nutrients go down into the soil horizon. — second. Water-soluble nutrients seep down into the soil and settle as unavailable salts.
(A) Bacterial and fungal enzymes degrade detritus into simpler inorganic substances and its catabolism. — third. Enzymes of bacteria and fungi break the detritus into simpler substances; this is catabolism.
(D) Microbes release inorganic nutrients in the soil and it is called mineralisation. — last. After humification, the humus is broken down slowly and inorganic nutrients are released into the soil.
NCERT Extract:
Decomposition –
