Wine turns sour because of

Vinegar is produced from sugars with the help of:

The bottled fruit juices bought from the market are clearer as compared to those made at home. This is because the bottled juices are cleared by the use of . . . . . . .

Which organism is used for the production of ethanol from cereals and fruit juices?

Cyclosporin-$A$ is produced from which microorganism?

Which of the following is used as a 'clot-buster' for removing clots from the blood vessels of patients who have undergone myocardial infarction?