Read the following four satements (A -D) about certain mistakes in two of them :
(A) Dough, which is used for making foods such as dosa and idli is fermented by fungi and algae
(B) Toddy a traditional drink of southern India is made by fermenting sap from palms.
(C ) Large holes in 'Swiss cheese' are due to production of large amount of methane by Propionibacterium sharmanii
(D) In our stomatch, lactic acid bacteria play very beneficial role in checking disease -causing microbes
Which of the two statements are having mistakes?