Match the following enzymes given in Column $I$ with the reactions they catalyse given in Column $I I$ .

$\begin{matrix} Column I (Enzymes) & Coulmn II (Reactions) A & Invertase & (i) & Decomposition of urea into N H_{3} and C O_{2} B & Maltase & (i i) & Conversion of glucose into ethyl alcohol C & Pepsin & (i i i) & Hydrolysis of maltose into glucose D & Urease & (i v) & Hydrolysis of cane sugar E & Zymase & (v) & Hydrolysis of proteins into peptides \end{matrix}$

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Solution

Part (A):

Invertase - It catalyses the hydrolysis of cane sugar (sucrose) into glucose and fructose.

$\begin{matrix} C_{12} H_{22} O_{11} + H_{2} O S u c r o s e ↓ C_{6} H_{12} O_{6} + C_{6} H_{12} O_{6} D-(+)-Glucose D-(-)-Fructose \end{matrix}$

$(A)$ Invertase $\to (i v)$ Hydrolysis of cane sugar

Part (B):

Maltase – It catalyses hydrolysis of maltose into glucose.

$\begin{matrix} C_{12} H_{12} O_{11} & M a l t a s e - ---- \to & 2 C_{6} H_{12} O_{6} Maltose & Glucose \end{matrix}$

$(B)$ Maltase $\to (i i i)$ Hydrolysis of maltose into glucose

Part (C):

Pepsin – It is a digestive enzyme. Pepsin breaks down proteins into smaller peptides.

$(C)$ Pepsin $\to (v)$ Hydrolysis of proteins into peptides

Part (D):

Urease – It catalyses the decomposition of urea into ammonia and carbon dioxide.

$N H_{2} C O N H_{2} + H_{2} O U r e a s e - --- \to 2 N H_{3} + C O_{2}$
$Urea$

$(D)$ Urease $\to (i)$ Decomposition of urea into $N H_{3}$ and $C O_{2}$

Part (E):

Zymase – It catalyses the fermentation of glucose into ethyl alcohol and carbon dioxide.

$C_{2} H_{12} O_{6} Z y m a s e - ---- \to 2 C_{2} H_{5} O H + 2 C O_{2}$
$Glucose Ehtyl alcohol$

$(E)$ Zymase $\to (i i)$ Conversion of glucose into ethyl alcohol

Conclusion:

$(A) \to (i v)$
$(B) \to (i i i)$
$(C) \to (v)$
$(D) \to (i)$
$(E) \to (i i)$

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