Which one of the following reactions is incorrect?

M a l t o s e + H_{2} O M a l t a s e \to G l u c o s e + F r u c t o s e

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S u c r o s e + H_{2} O I n v e r t a s e \to G l u c o s e + F r u c t o s e

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G l u c o s e + H_{2} O Z y m a s e \to E t h y l a l c o h o l + C O_{2}

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S t a r c h + H_{2} O D i a s t a s e \to G l u c o s e o n l y

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Solution

The correct option is A $M a l t o s e + H_{2} O M a l t a s e \to G l u c o s e + F r u c t o s e$
Maltose is made up of two glucose units.
$M a l t o s e + H_{2} O M a l t a s e \to G l u c o s e + G l u c o s e$

Option A is correct.

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Similar questions

Choose the correct combinations of the monosaccharides forming disaccharides.
i. Glucose + Glucose = Maltose ii. Glucose + Fructose = Lactose

iii. Glucose + Fructose = Sucrose iv. Glucose + Galactose = Lactose

Which one of the following pairs of nutrients includes both as simple sugars (monosaccharides) ?

(a) Sucrose and glucose

(b) Glucose and maltose

(d) Maltose and lactose

Column I	Column II
$(A)$ Maltose $\to$ Glucose	$(i)$ Zymase
$(B)$ Sucrose $\to$ Glucose $+$ Fructose	$(i i)$ Pepsin
$(C)$ Glucose $\to$ Ethyl alcohol $+ C O_{2}$	$(i i i)$ Maltase
$(D)$ Starch $\to$ Maltose	$(i v)$ Invertase
$(E)$ Proteins $\to$ Amino acids	$(v)$ Diastase

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