Class 11 · Respiration in Plants

Glycolysis: EMP Pathway & Glucose Oxidation — NEET Biology

✅ Asked in NEET 2023
📖 NCERT Source

The term glycolysis has originated from the Greek words, glucos for sugar, and lysis for splitting. The scheme of glycolysis was given by Gustav Embden, Otto Meyerhof, and J. Parnas, and is often referred to as the EMP pathway. In anaerobic organisms, it is the only process in respiration. Glycolysis occurs in the cytoplasm of the cell and is present in all living organisms. In this process, glucose undergoes partial oxidation to form two molecules of pyruvic acid. In plants, this glucose is derived from sucrose, which is the end product of photosynthesis, or from storage

NCERT Biology · Class 11 · Chapter 12 · Paragraph 13
How NTA Uses This Concept

NTA tests glycolysis fundamentals through the EMP pathway (Embden-Meyerhof-Parnas) and the partial oxidation of glucose to pyruvate. Students commonly confuse glycolysis with complete respiration and forget that it occurs in the cytoplasm and works anaerobically in some organisms. Key trap: assuming glycolysis fully breaks down glucose (it doesn't—only partial oxidation occurs). Remember that glycolysis is universal across all living organisms, produces 2 pyruvate molecules from 1 glucose, and is the only respiratory pathway in anaerobic organisms. In plants, glucose comes from sucrose via photosynthesis, making this concept essential for linking photosynthesis to respiration.

Solve This NEET Question
QuestionNEET 2023

Match List-I with List-II: (NEET 2023) List-I: A. Oxidative decarboxylation B. Glycolysis C. Oxidative phosphorylation D. Tricarboxylic acid cycle List-II: I. Citrate synthase II. Pyruvate dehydrogenase III. Electron transport system IV. EMP Pathway Choose the correct answer from the options given below:

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