Assertion : Fermentation is incomplete oxidation of glucose.

Reason : Pyruvic acid decarboxylase, alcohol dehydrogenase catalyze the reaction.

Both A and R are true and R is the correct explanation of A

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Both A and R are true but R is not correct explanation of A

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A is true but R is false

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A and R are false

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Solution

The correct option is A Both A and R are true and R is the correct explanation of A
Fermentation is the incomplete oxidation of glucose to form ethanol. Glucose forms pyruvic acid via glycolysis and then the enzymes pyruvic acid decarboxylase and alcohol dehydrogenase convert it to alcohol.

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Assertion: In alcoholic drink, the alcohol is converted to glucose in liver.

Reason: Liver cels are able to produce glucose from alcohol by back fermentation.

P y r u v i c a c i d + A L a c t a t e d e h y d r o g e n a s e ⇌ F M N, {Z n}^{2 +} B + C

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