Botany-Fermentation
NEET Botany Fermentation MCQ Question
Type: MCQ-diagram based-Hard-Class 11
A diagram shows a biochemical pathway where pyruvic acid is converted into ethanol and carbon dioxide. Which enzyme is responsible for the initial conversion of pyruvic acid in alcoholic fermentation?
A
Pyruvic acid decarboxylase
B
Alcohol dehydrogenase
C
Hexokinase
D
ATP synthase
Correct Answer
Option A
Detailed Explanation
In alcoholic fermentation, pyruvic acid is first converted to acetaldehyde and CO2 by the enzyme pyruvic acid decarboxylase, followed by the conversion of acetaldehyde to ethanol by alcohol dehydrogenase.
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