AIIMS2019Botany-Metabolic Pathways

AIIMS 2019 Botany Glycolysis MCQ Question

Type: MCQ-conceptual-Medium-Class 11

How many pyruvate produced by oxidation of 1 glucose molecule?

A

Two

B

Three

C

One

D

Four

Correct Answer

Option A

Detailed Explanation

Glycolysis is the metabolic pathway that converts one molecule of glucose (C₆H₁₂O₆) into two molecules of pyruvic acid (C₃H₄O₃) through a series of enzymatic reactions, producing a net gain of 2 ATP and 2 NADH in the process. This anaerobic process occurs in the cytoplasm and is crucial for cellular respiration, providing energy in the absence of oxygen. Since all other options are marked as N/A, they do not provide relevant information or alternative answers to the question regarding glycolysis. Understanding glycolysis is fundamental as it initiates the breakdown of glucose for energy production in both aerobic and anaerobic conditions.

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