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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: 匿名未登录  开始时间: 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 sufrr/h5xskz5ti3o jb 60cb 02ebstances?

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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 m ebne 3yl.w0w voec1y-8k - -xohlb34jovement of water molecules by osmosis from cell X to w -3woe 31j. xely lbcvn hy-e4b0-8kocell 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 happen if a eukaryotic animal cell was ba0c1 yg5a tx*etthed in a hypertonic soluti gx0*1ttce5ayon.

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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 cooled liquid to be tramu ;2p6fj: -xad)f vglnsported to the operating thglx d-ju2 ;6 vp)mffa:eatre 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 moveme xz+;4 c+ 8gb2vlm yhldyiwa;1qftqv k+ 932rynt of water molecules across a membrane. It requires a membrane in ordey gzvh9 +;dw+2yrim81fc +4v3 2l qx;tylqakbr 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 
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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 percentaxcpb74a9 dsxgf *r-. cge loss in mean mass of the potato chips in 15% sucrose after 20 mix-fp7 bcd9 grx4* ac.snutes 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 chips in 15% sucrose lost masahm h6sprnyf1ja2x ( 3(bu e,;s.
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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*i;k pqfl6(ygn(zak1tj w -.n be controlled to give valid results in this 6a l( py; iz1.twjqf-kkg nn(*experiment.
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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 maps nwn,tk5y:wd-t9p) ss and of the time are shown. Suggest how these uncertainties could be sho p,ts ytkd:-9 )5wnwpnwn 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 until the gz0yxob:*id7 ,eqg kz tj:+u*, ejcq/$60^{th}$ 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 chips6s0*sxk hh zz5 were used 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 an*y * ylxtz1xwxn 79(h-yaz a,kd the data is presented in the table below ln(7 *kh,zy1awx -tazx9* x yy

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 mjn,5p yo jq4rhci2; ) ,ms2mawater between two cells with equal concentrations of s)mij, js m 4;5pcqy2o,mn2h arolutes.
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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 ii; ;,i2gipygin areas of high salt concentrations. Explain why these plants have ion trans ,gigi;y2pi ;iport pumps in the membranes of their 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. Explairk-o/27hiut b4t 3ivc n the changes that occur in the water potential of one of its cells when it is bathed in disti2kco4 rubvit3/-ht i7lled water.
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