27 Reason for muscular pain is accumulation of ..........1. citric acid2. ATP3. hydrochloric acid4. lactic acid
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26 Which of the following is known as the energy currency of cells in biology1. DTP2. ATP3. ADP4. DDT
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25 Respiration differs from combustion in1. release of heat all at once2. release of heat at several stages3. initial burning of substance4. initial supply of oxygen
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24 In one of the following is observed only aerobic respiration1. muscles2. yeast3. tetanus bacteria4. germinating seeds
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23 For the oxidation, carbohydrates should be in the form of1. starch2. cellulose3. glucose4. fats
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22 Cellular respiration takes place in the1. cytoplasm and mitochondria2. nucleus and mitochondria3. chloroplast and mitochondria4. mitochondria and vacuole
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21 Conversion of glucose to pyruvic acid yields to net gain of1. 2 molecules of ATP2. 36 molecules of ATP3. 4 molecules of ATP4. 38 molecules of ATP
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20 End product of glycolysis1. pyruvic acid2. acetic acid3. lactic acid4. abscisic acid
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19 What are the energy producing centres in a cell1. mitochondria2. golgi complex3. vacuole4. ribosome