1) In lactic acid fermentation, the pyruvic acid molecules are converted into a. nitric acid b. citric acid c. acetic acid d. lactic acid
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2) The site for the glycolysis stage in aerobic respiration is a. cytoplasm b. mitochondria c. Golgi apparatus d. centrioles
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3) In anaerobic respiration, the number of ATP produced as the net profit is a. 10 b. 8 c. 6 d. 2
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4) In the electron transport chain, the three ATP molecules produced a. nicotinamide adenine dinucleotide hydrogen (NADH) b. Adenosine monophosphate (AMP) c. adenosine triphosphate (ATP) d. flavin adenine dinucleotide (FAD)
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5) The redox reactions involve the exchange of a. electrons between atoms b. protons between atoms c. neutrons between atoms d. neurons between molecules
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6) The important factor which plays a role in the ability of ATP to release and store energy is its a. pH structure b. cellular structure c. nuclear structure d. molecular structure
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7) The number of electrons and proton in one hydrogen atom is a. two b. four c. three d. one
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8) The example of an activity which follows the anabolic mechanism is a. electrolysis b. photosynthesis c. glycolysis d. respiration
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9) The O2 is the chemical formula of a. free oxygen b. free nitrogen c. dioxide molecule d. monoxide molecule
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10) The example of anaerobic respiration is a. acidic respiration b. fermentation c. anabolic respiration d. catabolic respiration
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11) In the comparison of respiration, the chloroplasts are considered as a site for a. diffusion b. photosynthesis c. photosynthesis d. respiration
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12) The second phase of photosynthesis in which carbon dioxide is reduced to make a. oxygen b. glucose c. adenine d. ribose
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13) The molecules of carbon dioxide are combined with five carbon compounds for the formation of six carbon a. neutrons b. protons c. electrons d. compounds
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14) In the comparison of photosynthesis, the site for respiration is a. centrosome b. ribosomes c. mitochondria d. chromosomes
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15) The factors that affect electrons on being an energy source are a. arrangement of atoms only b. location only c. arrangement of molecules d. arrangement of atoms and location
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16) The example of an activity which follows the catabolic mechanism is a. photosynthesis b. respiration c. electrolysis d. glycolysis
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17) The British biochemist who discovered the series of reactions involved in the mechanism of respiration is a. Sir Melvin Calvin b. Sir Hans Calvin c. Sir Hans Krebs d. Sir Hans Melvin
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18) The factors that can act as limiting factors for the photosynthesis process includes a. light intensity b. availability of water c. concentration of carbon dioxide d. all of above
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19) The high-energy molecules that are made by capturing light energy are a. Adenosine monophosphate (AMP) and Adenosine diphosphate (ADP) b. Adenosine monophosphate (AMP) and ATP c. Nicotinamide adenine dinucleotide phosphate (NADPH) and Adenosine triphosphate (ATP) d. Adenosine triphosphate (ATP and Deoxyribonucleic Acid (DNA)
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20) The redox reaction in living organisms involves the gain and loss of a. carbon atoms b. nitrogen atoms c. hydrogen atoms d. oxygen atoms
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