Give Scientific Reason.Oxygen is Necessary for Complete Oxidation of Glucose. - Science and Technology 2

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Short Note

Give scientific reason.

Oxygen is necessary for complete oxidation of glucose.

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  1. Glucose can be used by two pathways i.e. aerobic and anaerobic respiration. 
  2. A molecule of glucose is completely oxidized in aerobic respiration (i.e. in the presence of oxygen) to form CO2, H2O, and energy (38 ATP), via. three steps namely glycolysis, Krebs cycle, and electron transfer chain.
  3. However, in anaerobic respiration (i.e. in absence of oxygen), glucose is incompletely oxidized via. glycolysis and fermentation, resulting in the formation of organic acids or alcohols and lesser amount of energy is obtained.

Hence, oxygen is necessary for the complete oxidation of glucose.

Concept: Living Organisms and Life Processes
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SCERT Maharashtra Question Bank 10th Standard SSC Science and Technology 2 Maharashtra State Board 2021
Chapter 2 Life Processes in Living Organisms Part - 1
Give scientific reasons | Q 2
Balbharati Science and Technology Part 2 10th Standard SSC Maharashtra State Board
Chapter 2 Life Processes in living organisms Part -1
Exercises | Q 4.1 | Page 21

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