Ncert Exercises & Solutions

Q. 25 Write the most important characteristic that Aspergillus niger, Clostridium

butylicum, and Lactobacillus share,

Their common charactensti is that they produce organic acids as pat of thelr metabolism

and aro therefore, usad for commaccal and industal production ofthe same,

(i) Aspergillus niger (a fungus) for citric acid

(ii) Clostriium butycur (a bacterium) lor buvric acid.

(iii) Lactobacts (a bacterium) for lactic acid.