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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 ?
Statements $(A)$ and $(C)$
Statements $(A)$ and $(B)$
Statements $(B)$ and $(C)$
Statements $(C)$ and $(D)$
Solution
$(A)$ Dough is used for making dosa and idli and is fermented by bacteria
$(C)$ Large hole in 'Swiss cheese' are due to production of $CO_2$ by Propionibacterium sharmanii
