Fungi are cosmopolitan.

Used in the brewery and baking industry: Saccharomyces cerivesea is used. Under anaerobic conditions process of fermentation takes place which releases ethanol and

CO2. The release of CO2 helps the dough to rise. Fungi are used as biological control agents: Soil inhabiting fungus Trichoderma kills Pythium fungus known to cause

root rot.

LONG ANSWER TYPE QUESTIONS