※ [本文轉錄自 NTU-Exam 看板] 作者: abacada (放眼2006) 看板: NTU-Exam 標題: [試題] 90年上 蔡珊珊林讚標 普通生物學上期中考Part III 時間: Sun Aug 14 00:37:56 2005 (林老師出題部分) (2%*15=30%) 1.You have just discovered a new flower species that has a unique photosynthetic pigment. The leaves of this plant appear to be reddish yellow. What wavelengths of visible light are NOT being absorbed by this pigment? (a)blue and violet (b)green, blue, and violet (c)red and yellow (d)green and yellow (e)blue, green, and red 2.Where is ATP synthase located in the mitochondrion? (a)matrix (b)outer membrane (c)ribosomes (d)cytochrome system (e)inner membrane 3.The following statements compare combustion with the aerobic respiration of glucose. Which is FALSE? (a)Combustion releases nearly all energy as heat and light; respiration captures some of the energy in chemical bonds. (b)Combustion uses heat to provide activation energy; respiration uses enzymes to lower activation energy. (c)Combustion involves the direct transfer of hydrogen atoms to oxygen; respiration uses an indirect transfer of hydrogens. (d)Combustion releases energy from glucose at a more rapid rate than does respiration. (e)Combustion releases more total caloric energy from glucoses than does respiration. 4.Where does the Calvin cycle of photosynthesis take place? (a)cytoplasm surrounding the chloroplast (b)stroma of the chloroplast (c)outer membrane of the chloroplast (d)thylakoid membrane (e)chlorophyll molecule 5.In green plants, the primary function of the Calvin cycle is to (a)use ATP to release carbon dioxide (b)construct simple sugars from carbon dioxide (c)split water and release oxygen (d)use NADPH to release carbon dioxide (e)transport RuBP out of the chloroplast 6.The direct energy source that drives ATP synthesis during respiratory oxidative phosphorylation is (a)the difference in H+ concentrations on opposite sides of the inner mitochondrial membrane. (b)the thermodynamically favorable flow of electrons from NADH to the mitochondrial electron transport carriers. (c)the final transfer of electrons to oxygens. (d)oxidation of glucose to CO2 and water. (e)thermodynamically favorable transfer of phosphate from glycolysis and Krebs cycle intermediate molecules of ADP. 7.Which of the following intermediary metabolites enters the Krebs cycle and is formed, in part, by the removal of CO2 from a molecule of pyruvate? (a)lactate (b)oxaloacetic acid (c)acetyl CoA (d)glyceraldehyde phosphate (e)citric acid 8.Which metabolic process is most closely associated with intracellular membranes? (a)glycolysis (b)oxidative phosphorylation (c)substrate-level phosphorylation (d)ethanolic fermentation (e)the Krebs cycle 9.Photorespiration lowers the efficiency of photosynthesis by removing which of the following from the Calvin cycle? (a)carbon dioxide molecules (b)ATP molecules (c)RuBP carboxylase molecules (d)glyceraldehyde phosphate molecules (e)ribulose bisphosphate molecules 10.What does chemiosmosis involve? (a)a proton gradient that drives the redox reactions of electron transport (b)a proton-motive force that drives the synthesis of ATP (c)the uptake of NADH produced in glycolysis into the mitochondrion (d)an ATP synthase that pumps protons across the inner mitochondrial membrane (e)the diffusion of water down an electrochemical gradient that drives ATP synthesis 11.Figure 10.1 shows the absorption spectrum for chlorophyll a and the action spectrym for photosynthesis. Why are they different? (有給Figure 10.1) (a)Green and yellow wavelengths inhibit the absorption of red and blue wavelengths. (b)Other pigments absorb light in addition to chlorophyll a. (c)The two lines are probably the result of inaccurate measurements. (d)Bright sunlight destroys photosynthetic pigments. (e)Anaerobic bacteria probably interfered with light absorption. 12.All of the following statements about glycolysis are true EXCEPT: (a)The end products of glycolysis are CO2 and H2O. (b)Glycolysis has steps involving oxidation-reduction reactions. (c)Glycolysis can operate in the complete absence of O2. (d)Glycolysis makes ATP exclusively through substrate-level phosphorylations. (e)The enzymes of glycolysis are located in the cytosol of the cell. 13.The Krebs cycle produces which of the following molecules that then transfer energy to the electron transport system? (a)NADH, FADH2, and ATP (b)CO2 and FAD (c)NADH and ATP (d)FADH2 and NADH (e)ATP and CO2 14.The chemiosomotic process in chloroplasts involves the (a)establishment of a proton gradient. (b)diffusion of electrons through the thylakoid membrane. (c)oxidation of water to produce ATP energy. (d)reduction of carbon dioxide to glucose by NADPH and ATP. (e)movement of water by osmosis into the thylakoid space from the stroma. 15.Because bundle-sheath cells are relatively protected from atmospheric oxygen, the level of ______ is held to a minimum in C4 plants. (a)oxidative phosphorylation (b)decarboxylation of malic acid (c)glycolysis (d)photorespiration (e)photosynthesis --

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