Which microorganism is responsible for the production of lactic acid?

Assertion: Yeasts such as $Saccharomyces \text{ } cerevisiae$ are used in the baking industry.
Reason: Carbon dioxide produced during fermentation causes bread dough to rise by thermal expansion.

Which of the following bacteria causes the fermentation of milk and other plant products?

Streptococcus thermophilus and Lactobacillus bulgaricus are being used for the production of

Microorganisms such as $Lactobacillus$ are commonly called:

Toddy is
$I.$ $A$ traditional drink of Southern India
$II.$ Made by fermentation of sap from palm trees
Which of the statements given above about toddy is/are correct?