Botany-Fermentation
NEET Botany Fermentation Assertion Reason Question
Type: Assertion Reason-assertion-Medium-Class 11
Assertion (A): Fermentation results in the incomplete oxidation of glucose. | Reason (R): The conversion of pyruvic acid to ethanol and CO2 in yeast involves the enzymatic action of pyruvic acid decarboxylase and alcohol dehydrogenase.
A
Both A and R are true and R is the correct explanation of A.
B
Both A and R are true but R is not the correct explanation of A.
C
A is true but R is false.
D
A is false but R is true.
Correct Answer
Option A
Detailed Explanation
Both the assertion and the reason are true. Fermentation involves incomplete glucose oxidation, and in yeast, pyruvic acid is converted to ethanol and CO2 by the enzymes pyruvic acid decarboxylase and alcohol dehydrogenase, explaining the incomplete oxidation.
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