Starct `overset(X)to` Maltose `overset(Y)to ` Glu cose `overset(Z)to ` Ethyl alcohol , X, Y, Z in the above sequence are :

Options

A. Maltase , Invertase, Zymase
B. Diastase, Maltase, Zymase
C. Invertase, Maltase, Zymase
D. Pepsin, Zymase,invertase

Answer

To solve the question regarding the conversion of starch to ethyl alcohol through maltose and glucose, we need to identify the enzymes involved in each step of the process. Here’s the step-by-step breakdown:

### Step 1: Conversion of Starch to Maltose
- **Enzyme Involved (X)**: The enzyme that converts starch into maltose is **diastase**. Starch is a polysaccharide made up of multiple glucose units, and diastase breaks it down into the disaccharide maltose.

### Step 2: Conversion of Maltose to Glucose
- **Enzyme Involved (Y)**: The enzyme that converts maltose into glucose is **maltase**. Maltose consists of two glucose units, and maltase hydrolyzes it to yield two molecules of glucose.

### Step 3: Conversion of Glucose to Ethyl Alcohol
- **Enzyme Involved (Z)**: The enzyme that converts glucose into ethyl alcohol (ethanol) is **zymase**. Zymase is a complex of enzymes that facilitates the fermentation process, converting glucose into ethanol and carbon dioxide.

### Summary of the Enzymes
- **X**: Diastase (starch to maltose)
- **Y**: Maltase (maltose to glucose)
- **Z**: Zymase (glucose to ethyl alcohol)

### Final Answer
Thus, the correct enzymes in the sequence are:
- X = Diastase
- Y = Maltase
- Z = Zymase

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