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习题练习:SL/HL Topic D2.3 Water potential



 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: 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 goos: g,i t xx6 msm80cac9 (vg2mmdipq-3d solvent of ionic substances?

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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 gn bbp4b 2c69bmovement of water molecules by osmosis from cell X to cell bb42g6bp n cb9Y?


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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 a3t;fsele1 mt ;nimal cell was bathed in a hypertotm 1 e;;f3ltesnic solution.

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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 transpfl 7pd:t)s7n llant is bathed in a cooled liquid to be transported to the operating theatre patient. What should be a property of7d:p 7lf nlt)s 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 -xv5k73um b.xwv) jw apk(+lr molecules across a membrane. It requires a membrane 5uw.m kbljw (+x-pk3)rxv 7va in order 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 percentagu-v q5dexzgak 9i6o+9e loss in mean mass of the potato chips in 15% sucrose afte5kx-vd9ioag+ u9e zq6r 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 chips in 15% sucroj9y q vth 8rnl,7g qkj4r1n5+bse 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 b dnq m q4v7524fe0:ze9hl tymxe controlled to give valid results in this experimene:z4xe 0fv2 q4mn9td 7 q5hlymt.
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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. jh,eu.aii;x jr/1/nn Suggest how these uncertainties could be shown on the tre/jx.,1/ji h nu;riea nnd 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 w q6ckjhwbr1/ 2ngmt/6ere taken until 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 used in each co 7ijcj :6bd8drfrf8h/j 4)8 hm. q1tggrh5z poncentration.
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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 and the mjvyx .f :-pv7data is presentedv:.p y7-jxf vm in the table below

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,4adf-lz48d1: ce; azkqf4xgi t5flz g q2f,c cells with equal concentrations of s18qkld x;2a-c4 gdzt , zf 4cfezlagqff54i, :olutes.
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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 hiy8 jkt vvl4l/ r6h,o-lgh salt concentrations. Explain why these plants have ion transprl- 8 kyht64v ,jv/ollort 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. Explain the changes that occ7q*:yv+dk kfxy-ncv-ec+w 4/ sczf z:yzi ;f5ur in the water potential of one of its cells when it is batheyw c;q/id fkvc4c+ --:f*x :kz+vy znzy57fesd in distilled water.
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