STD 12 - 11. organisms and populations — BIOLOGY STD 12 Science — Question

$(1)$ Decomposition is largely an oxygen -requiring process.

$(2)$ Warm and moist environment slow down decomposition process.

$(3)$ Decomposition rate is slower if detritus is rich in lignin and chitin

$(4)$ Humus is colloidal in nature it serves as are servoir of nutrients.