Home Board Paper Solutions Text Book Solutions Articles NCERT Exemplar Solutions

Class 12th Biology 2015 Set1 Delhi Board Paper Solution

Question 9

Mention a product of human welfare obtained with the help of each one of the following microbes :

(a) LAB

(b) Saccharomyces cerevisiae

(c) Propionibacterium shermanii

(d) Aspergillus niger

Answer

LAB: Lactic acid bacteria (LAB); Lactobacillus is used in the production of curd from milk.

 

Saccharomyces cerevisiae: It is used in the baking industry.

 

Propionibacterium shermanii: It is used in the production of cheese.

 

Aspergillus niger: It is used in the production of citric acid.