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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 ofi 8ueoqv+m3w k;kn8 ,ubk)( a1jshmc+ 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 movement of water:osuuvx+) y lo2)vl9n molecules by osmosis from cell X to cell uy)v+oov: n)2us9llx 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 woulqmvo7l28c9* ivpz4pma+da 7w d happen if a eukaryotic animal cell was bathed in a hypertoniq ma8cw dvzmv7 a*p2+o p97i4lc 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 transplant is batheg)3 6jvl. fjkwz de0w1d in a cooled liquid to be transported to the operavw gd lkfjz0j6ew)3 1.ting 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(v5v5 zontqxp f/y0. h water molecules across a membrane. It requires a membra(n v t.0/5 pfoyhq5vzxne 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 percentage loss inx3bcn224lijifua,b 9 mean mass of the potato chips in 15% sucrose after 20 minutes of the ex3 bf2aiuj9 42cixl,nb periment.
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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 chip 847 kej;m k.maiv/ :nm2nfsr3ig7v lwy.9nngs 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 muswzm9;gkk 12 ejt be controlled to give valid results in this experimez;1w2mgkke9 jnt.
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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 show/ezpr hp8(mzz- vky8,bg8*ekd/akwb 1v q+,an. Suggest how these uncertaina8k v-m,w z*be/p g8 prkay q,hbk81/+vze(dzties could 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 measur (k(lzfd2lr b*; ur7ibements were 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 cheub3sui 7h e7.9igu;oncentration.
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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 tv5 5nxl 8pypvwv:-ls2he potato chips were also measured and the data is presented in 82v-plp5y xls5:nvv wthe 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 vx.n8c2o a2f(o-nqfj5yfdg9 4 rzh 4rtwo cells with equal concentrations of solu2-(y f2qfg d45vjx.4 n8n9hroz fro cates.
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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 qpcdqvea+a d8yll t14 i ro*d9n p1;14areas of high salt concentrations. Explain why these plants have ion transport pumps in the membranes of theic+l8t49a eo1p;d q dnv11idyla 4rqp*r 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 , ni9x8uy;3t8 f pgfa pjard):a few days. Explain the changes that occur in the watug3ff a8 :,aixj dprt);yp8n9er potential of one of its cells when it is bathed in distilled water.
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