Botany-Fermentation
NEET Botany Fermentation MCQ Question
Type: MCQ-diagram based-Easy-Class 11
A diagram shows the process of alcoholic fermentation in yeast, where pyruvic acid is converted into ethanol and carbon dioxide. Which enzyme is responsible for the conversion of pyruvic acid to acetaldehyde in this process?
A
Pyruvic acid decarboxylase
B
Alcohol dehydrogenase
C
Lactate dehydrogenase
D
Hexokinase
Correct Answer
Option A
Detailed Explanation
In alcoholic fermentation, pyruvic acid is converted to acetaldehyde by the enzyme pyruvic acid decarboxylase, and then acetaldehyde is reduced to ethanol by alcohol dehydrogenase, under anaerobic conditions.
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