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习题练习：SL/HL Topic D2.3 Water potential
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 作者: admin  发布日期: 2025-02-01 15:56    总分: 15分  得分: _____________

答题人: 游客未登录  开始时间: 25年02月01日 01:14  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) (组内1/5) 切至整卷模式 搜藏此题  
第 1 题组 (共 5 题 5 分)
  1. Why is water a good solvent of ionic substanpn w33kjgkn 6h ),h*zoces?

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2#
 
单选题 ( 1.0 分) (组内2/5) 切至整卷模式 搜藏此题  
  2. In which conditions will there be a net movement of water molecules zadzu7k7k8qxk:p3q 3 by osmosis z3kp7zkkxq3a u dq8 7:from cell X to cell Y?


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3#
 
单选题 ( 1.0 分) (组内3/5) 切至整卷模式 搜藏此题  
  3. Predict what would happenqff21ff- lqhd.3ea h* if a eukaryotic animal cell was bathed in a hypertonic soluth lf*d2ffq - f.31hqaeion.

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4#
 
单选题 ( 1.0 分) (组内4/5) 切至整卷模式 搜藏此题  
  4. An organ for transplant is bathed in a mnp-y 7m3yh1y2)dswncooled liquid to be transported to the operat-hndw7nyy1 ym2s3)mping theatre patient. What should be a property of this liquid?

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5#
 
单选题 ( 1.0 分) (组内5/5) 切至整卷模式 搜藏此题  
  5. Osmosis is the movement of water molecules across a membrane. It requires 6lkuapp, fcr+v+;k (o a membrane in or p(;r ,+6v olck+ufpkader to:

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6#
 
问答题 ( 1.0 分) (组内1/7) 切至整卷模式 搜藏此题  
第 2 题组 (共 7 题 7 分) 当前第1/7题 
题组内容描述:
6. The graph below represents the mass change of ten potato tuber “chips” in distilled water (blue) and ten potato chips in 15% sucrose (red) measured every 10 minutes for 60 minutes.The chips were all cylinders of 50 mm length and 10 mm diameter. Before each measurement, the chips were dried carefully. After measurements were taken, they were replaced in the correct solution. The length of the chips at 0, 20, 40 and 60 minutes were also measured.
a. Calculate the percentage loss in mean mass of the ge1co 9(d ic-ee9hxzn q2va;* potato chips in 15% sucroseg9nxo 2d v;*1(zh-aeq eec9i c after 20 minutes of the experiment.
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7#
 
问答题 ( 1.0 分) (组内2/7) 切至整卷模式 搜藏此题  
第 2 题组 (共 7 题 7 分) 当前第2/7题 
题组内容描述:
6. The graph below represents the mass change of ten potato tuber “chips” in distilled water (blue) and ten potato chips in 15% sucrose (red) measured every 10 minutes for 60 minutes.The chips were all cylinders of 50 mm length and 10 mm diameter. Before each measurement, the chips were dried carefully. After measurements were taken, they were replaced in the correct solution. The length of the chips at 0, 20, 40 and 60 minutes were also measured.
b. Explain why the potato chipsi gs;: 29fw1rdfl/eaoq6z1vv in 15% sucrose lost mass.
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8#
 
问答题 ( 1.0 分) (组内3/7) 切至整卷模式 搜藏此题  
第 2 题组 (共 7 题 7 分) 当前第3/7题 
题组内容描述:
6. The graph below represents the mass change of ten potato tuber “chips” in distilled water (blue) and ten potato chips in 15% sucrose (red) measured every 10 minutes for 60 minutes.The chips were all cylinders of 50 mm length and 10 mm diameter. Before each measurement, the chips were dried carefully. After measurements were taken, they were replaced in the correct solution. The length of the chips at 0, 20, 40 and 60 minutes were also measured.
c. State two other variables that must be controlled to give valid results ,dqfv-a26wab7pix :gin this experime7 a6iqbp:f-x2ag,vwdnt.
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9#
 
问答题 ( 1.0 分) (组内4/7) 切至整卷模式 搜藏此题  
第 2 题组 (共 7 题 7 分) 当前第4/7题 
题组内容描述:
6. The graph below represents the mass change of ten potato tuber “chips” in distilled water (blue) and ten potato chips in 15% sucrose (red) measured every 10 minutes for 60 minutes.The chips were all cylinders of 50 mm length and 10 mm diameter. Before each measurement, the chips were dried carefully. After measurements were taken, they were replaced in the correct solution. The length of the chips at 0, 20, 40 and 60 minutes were also measured.
d. The uncertainty of the mass and of the time are shown. Sugg5-nfd*h g . rmmpk,1acest how these uncertainties couh rac5*f,kmpgd1.- m nld be shown on the trend lines.
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10#
 
问答题 ( 1.0 分) (组内5/7) 切至整卷模式 搜藏此题  
第 2 题组 (共 7 题 7 分) 当前第5/7题 
题组内容描述:
6. The graph below represents the mass change of ten potato tuber “chips” in distilled water (blue) and ten potato chips in 15% sucrose (red) measured every 10 minutes for 60 minutes.The chips were all cylinders of 50 mm length and 10 mm diameter. Before each measurement, the chips were dried carefully. After measurements were taken, they were replaced in the correct solution. The length of the chips at 0, 20, 40 and 60 minutes were also measured.
e. Explain why measurements were taken ux;o,b :kudqg* ntil the $60^{th}$ minute.
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11#
 
问答题 ( 1.0 分) (组内6/7) 切至整卷模式 搜藏此题  
第 2 题组 (共 7 题 7 分) 当前第6/7题 
题组内容描述:
6. The graph below represents the mass change of ten potato tuber “chips” in distilled water (blue) and ten potato chips in 15% sucrose (red) measured every 10 minutes for 60 minutes.The chips were all cylinders of 50 mm length and 10 mm diameter. Before each measurement, the chips were dried carefully. After measurements were taken, they were replaced in the correct solution. The length of the chips at 0, 20, 40 and 60 minutes were also measured.
f. Suggest why 10 chips were usgod52 6pcaf3+8wod0j b0akae ed in each concentration.
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12#
 
问答题 ( 1.0 分) (组内7/7) 切至整卷模式 搜藏此题  
第 2 题组 (共 7 题 7 分) 当前第7/7题 
题组内容描述:
6. The graph below represents the mass change of ten potato tuber “chips” in distilled water (blue) and ten potato chips in 15% sucrose (red) measured every 10 minutes for 60 minutes.The chips were all cylinders of 50 mm length and 10 mm diameter. Before each measurement, the chips were dried carefully. After measurements were taken, they were replaced in the correct solution. The length of the chips at 0, 20, 40 and 60 minutes were also measured.
g. The mean length of the potato chips were also measured 7 z)mm6ce (rkvand the data is presented in the table 7cmzvme6( ) krbelow

Use the data in the graph and the table to discuss whether the measurement of length or of mass would give greater validity to the results.
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13#
 
问答题 ( 1.0 分) (组内1/3) 切至整卷模式 搜藏此题  
第 3 题组 (共 3 题 3 分)
7. Outline the movement of water between two* 1sxscg *k g5b6tlx nvmd9f;9 cells with equal concentrations of sv tn ;sgb fxcl6m9k*xg*91ds5olutes.
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14#
 
问答题 ( 1.0 分) (组内2/3) 切至整卷模式 搜藏此题  
8. Halophytes are plants which live in areas of high salt concentratio vr+c9f 8dtk4(b zf rhlke,dh1 2q49tcuj 2l9jns. Explain why these plants have ion transport pumps in the membranes of rk42e8(hbztj+ ldvh2r49 lfj q c1ftc,u9d 9ktheir root hair cells.
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15#
 
问答题 ( 1.0 分) (组内3/3) 切至整卷模式 搜藏此题  
9. A plant has not been watered for a few days. Explai:b g ggn2 d2t*pu,j1cgn the changes that occur in the water potent,:j dtbgnp* g1cug 22gial of one of its cells when it is bathed in distilled water.
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