MCQ
Choose correct statements for fermentation :
(i) Fermentation takes place under aerobic conditions in many prokaryotes and unicellular eukaryotes.
(ii) In fermentation, say by yeast, the incomplete oxidation of glucose is achieved
(iii) In fermentation pyruvic acid is converted to CO2, and ethanol.
(iv) The enzymes, pyruvic acid decarboxylase and alcohol dehydrogenase catalyse these reactions.
(v) Other organisms like some bacteria converts lactic acid to pyruvic acid and CO2.
(vi) In animal cells also, like muscles during exercise, when oxygen is inadequate pyruvic acid is reduced to lactic acid by lactate dehydrogenase.
(i) Fermentation takes place under aerobic conditions in many prokaryotes and unicellular eukaryotes.
(ii) In fermentation, say by yeast, the incomplete oxidation of glucose is achieved
(iii) In fermentation pyruvic acid is converted to CO2, and ethanol.
(iv) The enzymes, pyruvic acid decarboxylase and alcohol dehydrogenase catalyse these reactions.
(v) Other organisms like some bacteria converts lactic acid to pyruvic acid and CO2.
(vi) In animal cells also, like muscles during exercise, when oxygen is inadequate pyruvic acid is reduced to lactic acid by lactate dehydrogenase.
- A(i), (ii), (iii), (iv) and (vi)
- B(i), (ii), (iv), (v) and (vi)
- C(ii), (iii), (iv), (v) and (vi)
- ✓(ii), (iii), (iv) and (vi)