STANDARD Botany Nutrient Cycling MCQ Question

Decomposers are saprophytic microorganisms deriving their food material from organic matter present in dead plants and animals. They secrete digestive enzymes which convert complex organic substances into simpler ones. A part of the digested organic matter is assimilated by the microorganisms and the rest is broken down into simple inorganic compounds for recycling. They bring about cyclic exchange of material between biotic community and environment.