Glucose is the molecule normally used for respiration - it is the main respiratory substrate. In the absence of free oxygen, many tissues of higher plants, seeds in storage, fleshy fruits, and succulent plants, such as cacti temporarily take to a kind of respiration, called anaerobic respiration. The equation for an aerobic respiration in a yeast cell is: Glucose→Pyruvic acid→ethanol+carbon dioxide+energy Here, glucose(C6H12O6) is a 6-C molecule which gets transformed into a 3-C molecule called pyruvic acid. If they stop respiring, they will die. Anaerobic respiration results in incomplete oxidation of the respiratory substrates into carbon dioxide and ethyl alcohol with very little energy. This type of anaerobic respiration is called as the fermentation. Thus, anaerobic respiration in plants is related to alcoholic fermentation. Anaerobic Respiration. Name one such animal. As mentioned earlier in the respiration of plants lesson, fermentation occurs in anaerobic condition and results in the incomplete oxidation of pyruvic acid to form CO 2 and ethanol. The energy released during anaerobic respiration is … NCERT Exemplar Class 11 Biology Solutions Respiration in Plants Multiple Choice Questions 1. Such respiration generally occurs in lower organisms like bacteria and fungi. Remember that respiration is not the same as breathing, so take care - plants do not breathe. This reaction is brought about by enzymes pyruvic acid decarboxylase and alcohol dehydrogenase catalyse in unicellular organisms like yeast. The ultimate electron acceptor of respiration in an aerobic organism is (a) cytochrome (b) oxygen (c) hydrogen (d) glucose. Give two examples within your given answer. Plant cells respire, just as animal cells do. This is therefore called anaerobic respiration, i.e., respiration without air. Examples of aerobic respiration occurs in many plants and animals (eukaryotes) whereas anaerobic respiration occurs in human muscle cells (eukaryotes), bacteria, yeast (prokaryotes), etc. Anaerobic respiration is the metabolic process in which oxygen is absent, and only the stage of glycolysis is completed. 2. This type of respiration occurs in complete absence of oxygen. Respiration in Organisms NCERT – Question: Name the end products of anaerobic respiration in yeast. Anaerobic respiration in plants and yeast, for example, is often called ethanol fermentation, and in animals the equivalent process is lactic acid fermentation. Solution. Aerobic and anaerobic respiration Aerobic respiration. Answer to: Name a type of anaerobic respiration. Aerobic respiration is a long process for the production of energy whereas anaerobic respiration is a fast process in comparatively. 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