Ethanol is prepared industrially by [MP PMT 1989]
Hydration of ethylene
Fermentation of sugars
Both the above
None of these
Which enzyme converts glucose and fructose both into ethanol
[MP PMT 1989, 90, 96; CPMT 1983, 84, 86, 94;KCET 1989; MNR 1978; MP PET 1994, 99]
Glycerine has [MP PMT/PET 1988; MP PMT 1989, 91; AIIMS 1997]
The industrial preparation of ethanol is stated from ___