Read the following four statements $(A -D)$ 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 hole in 'Swiss cheese' are due to production of large amount of methane by Propionibacterium
sharmanii
$(D)$ In our stomach, lactic acid bacteria play very beneficial role in checking disease – causing microbes
Which are the two statements having mistakes ?

Which role is played by Lactobacillus in our stomach?

During its formation, bread becomes porous due to release of Carbon dioxide by the action of

Which of the bacterium cause the fermentation of milk and other plant products