Question

........... is used in the making of bread and yoghurt.

• A. Virus
• B. Bacteria
• C. Yeast
• D. Protozoa

Answer 1

The correct option is C Yeast

Fermentation is the process which is carried by anaerobic respiration of microorganism which leads to the production of lactic acid or alcohol with the release of carbon dioxide. When the yeast is added to the dough of the bread it converts the sugar to ethanol and carbon dioxide which forms bubbles. Yeast has a lot of economical value to the mankind. It is used in the production of bread, wine, curd etc.

So, the correct answer is option C.