*In the production of alcohol; alcoholic fermentation by yeasts.

*Production of antibiotic, such as penicillin by penicillium sp.
 
*Sclerotium to rye produced by claviceps purpurea used in low doses to stop hemorrhage and to induce uterine contraction after childbirth.
 
*Genetic studies of recombination and gene mapping e.g Neurospora and Aspergillus.
 
*Edible mushrooms serve as food to man.
 
*Fungi in association with algae (lichens) play a beneficial role in ecological succession.
 
*In mycorrhizal association fungi brings about  availability of nutrients to plants.