Which among the following is a chemotropic soil bacteria?

Aspergillus oryzae is involved in the alcoholic fermentation of

Bioreactors engaged in production of vinegar

Which among the following are starting materials for vinegar production by Sacchaaromyces cerevisiae?

Yeast is involved in the production of which all vitamins?

To get desired quality of wine, ethyl alcohol is further fermented by which of the following microbes?

Nitrogen fixation is effected by which of the following organism?

Aspergillus terreus is involved in the production of

Butyl Alcohol is produced by anaerobic fermentation by which of these bacteria?

Streptomyces is involved in the production of which of these vitamins?

Which of these is not an organic acid?

Which of these organisms are found in the phyllosphere?