Biology · MICROBES IN HUMAN WELFARE

Consider the following statements regarding microbes and household products: (A) LAB grow in milk and convert it to curd by digesting all milk proteins completely. (B) The puffed-up appearance of dough for dosa and idli is due to the production of \( \text{CO}_2 \) gas. (C) Baker's yeast used for making bread is Saccharomyces cerevisiae. (D) Swiss cheese has large holes due to production of \( \text{CO}_2 \) by Propionibacterium sharmanii. Which of the above statements are correct?

1. (A), (B) and (C) only
2. (B), (C) and (D) only
3. (A), (C) and (D) only
4. and (D) only