. Yeast is used in the production of

(a) Sugar                           (b) Alcohol

(c) Hydrochloric acid       (d) Oxygen

Best Answer

Correct option is: B.

Yeast is used in the production of Alcohol via a process known as fermentation. The genus Saccharomyces is of good significance in the food and libation industry. maximum yeasts want a cornucopia of oxygen for their growth and addition. They also require a basic substrate similar as sugar (C6H12O6). Some yeast can convert sugars to alcohol and carbon dioxide in the absence of oxygen but require oxygen for growth. They produce ethyl alcohol (C2H5OH) and carbon dioxide (CO2) from simple sugars, glucose, and fructose.

The favorable temperature range for the growth of incentive is from 0 ∘ C to 50 ∘ C, with an optimum temperature range of 20 C to 30 0C.

♦ Yeasts are acid-tolerant and bring decay of acidic foods and can grow in a pH range of 4 to 4.5.

♦ By controlling the amount of oxygen supply, their growth and addition can be checked.

♦ In terms of the water requirements, yeasts are intermediate between bacteria and molds and require a relative humidity of 88 for optimum growth.

♦ Yeasts are largely tolerant of high attention of sugar and grow well in solutions containing 40 sugar.

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