Given below is a list of six micro-organisms. State their usefulness to humans. 
 (a) Nucleopolyhedrovirus 
 (b) Saccharomyces cerevisiae 
 (c) Monascus purpureus 
 (d) Trichoderma polysporum 
 (e) Penicillium notatum 
 (f) Propionibacterium sharmanii 

Dear Student ,
Please fine below the answer to your asked query -

(a) ​Nucleopolyhedrovirus - Used as a pesticide
(b) Saccharomyces cerevisiae ​ - Used for production of ethanol in alcoholic drinks (to make wine) Also helps  is rising or leavening of bread
(c) ​Monascus purpureus - Used for the production of fermented foods in China. It also used for production of stains.
(d) ​Trichoderma polysporum - It is used as a Bio-Control agent for soil disease. It also has Medical and Indutrial uses.
(e) ​ Penicillium notatum - Used in production of Penicillin (an antibiotic)
(f) ​ Propionibacterium shermanii - It helps in ripening of swiss cheeze and production of its taste

Regards!