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Read the following and answer any four questionsAll living cells require energy for various activities. This energy is available by the breakdown of simple carbohydrates either using oxygen or without using oxygen.(i) Energy in the case of higher plants and animals is obtained by a) Breathing b) Tissue respiration c) Organ respiration d) Digestion of food(ii) The graph below represents the blood lactic acid concentration of an athlete during a race of 400 m and shows a peak at point D.Lactic acid production has occurred in the athlete while running in the 400 m race. Which of the following processes explains this event? a) Aerobic respiration b) Anaerobic respirationc) Fermentation d) Breathing(iii) Study the graph below that represents the amount of energy supplied with respect to the time while an athlete is running at full speed.Choose the correct combination of plots and justification provided in the following tablePlot APlot BJustificationa)AerobicAnaerobicAmount of energy is low and inconsistent in aerobic and high in anaerobicb)AerobicAnaerobicAmount of energy is high and consistent in aerobic and low in anaerobicc)AnaerobicAerobicAmount of energy is high and consistent in aerobic and low in anaerobicd)AnaerobicAerobicAmount of energy is high and inconsistent in anaerobic and low in aerobic(iv) The characteristic processes observed in anaerobic respiration are i) presence of oxygen ii) release of carbon dioxide iii) release of energy iv) release of lactic acid a) i) ,ii) only b) i), ii), iii) only c) ii), iii), iv) only d) iv) only(v) Study the table below and select the row that has the incorrect information.AerobicAnaerobica)LocationCytoplasmMitochondriab)End ProductCO2 and H2OEthanol and CO2c)Amount of ATPHighLowd)OxygenNeededNot needed |
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Answer» (i) b) Tissue respiration (ii) b) Anaerobic respiration (iii)
(iv) c) ii), iii), iv) only (v) a) Location Aerobic-Cytoplasm and Anaerobic-Mitochondria |
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