AIIMS 2018 Biology Glycolysis MCQ Question

Glycolysis is an anaerobic process, meaning it occurs in the absence of oxygen and converts glucose (C₆H₁₂O₆) into pyruvate (C₃H₄O₃), producing a net gain of 2 ATP molecules and 2 NADH in the process. While glycolysis can feed into aerobic respiration when oxygen is present, it does not require oxygen itself, making option A the most accurate choice. Option B is incorrect because aerobic processes specifically require oxygen, while option C is misleading as glycolysis itself does not function in aerobic conditions, although it can be part of aerobic metabolism.