A) Diastase, maltase and zymase
B) Maltase, zymase and invertase
C) Diastase, zymase and lactase
D) Diastase, invertase and zymase
Correct Answer: A
Solution :
\[\underset{\text{Starch}}{\mathop{2{{({{C}_{6}}{{H}_{10}}{{O}_{5}})}_{n}}}}\,+n{{H}_{2}}O\underset{\text{(from}\,\,\text{germinated}\,\text{barley)}}{\mathop{\xrightarrow{\text{Diastase}}}}\,\underset{\text{Maltose}}{\mathop{n\,({{C}_{12}}{{H}_{22}}{{O}_{11}})}}\,\] \[{{C}_{12}}{{H}_{22}}{{O}_{11}}+{{H}_{2}}O\underset{\text{(from}\,\text{yeast)}}{\mathop{\xrightarrow{\text{Maltase}}}}\,2\underset{\text{Glucose}}{\mathop{{{C}_{6}}{{H}_{12}}{{O}_{6}}}}\,\] \[{{C}_{6}}{{H}_{12}}{{O}_{6}}\underset{\text{(from}\,\text{yeast)}}{\mathop{\xrightarrow{\text{Zymase}}}}\,2{{C}_{2}}{{H}_{5}}OH+2C{{O}_{2}}\]
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