A) fermentation
B) photorespiration
C) aerobic respiration
D) glycolysis
Correct Answer: D
Solution :
Glycolysis is the first stage of breakdown of glucose in cytoplasm of cell without using oxygen (electron acceptor). It is a stepwise process in which one molecule of glucose breaks into two molecules of pyruvic acid and net gain of energy is 2ATP and 2NADHz molecules. The stepwise breakdown of respiratory substrates to\[C{{O}_{2}}\] and \[{{H}_{2}}O\]in presence of oxygen is referred as aerobic respiration. It is a catabolic process and generates large amount of energy to form ATP. Anaerobic respiration in micro-organisms is called fermentation. Alcoholic fermentation is breakdown of glucose into ethyl alcohol and \[C{{O}_{2}}\]in presence of enzymes of micro-organism. Photorespiration is light induced oxidation of photosynthetic intermediates with the help of oxygen without releasing energy.
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