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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: 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 substancj. b9ulf3 gu18h89hb3 smkesl es?

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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 b 0siyhg,.-f1g dt3tem e a net movement of water molecules by osmosis from cell X to celtshefg3.id tg0,1m -y l 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 hap jb).g7hu:i1 zrob p-qpen if a eukaryotic animal cell was bathed in a hypertonic solutiozg-b.uo 7j:qib p) rh1n.

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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 agho ad )y4.pr6 cooled liquid to be transported to the operating theatre patient. What should be a property of this liqui yohg4 r6.d)pad?

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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 movhqd.s. ;. giulkhc 6p8ml-+h lement of water molecules across a membrane. It requires a membrane in order tmhg+. ;luhp.l8. si- kq6dh clo:

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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 percenl)x.f,y g +e+ph.fx 7r hng+nptage loss in mean mass of the potato chips in 15% sucrose after 20 minutes of the experiment. 7f+n+l.ggp+f. heh xxnyrp ),
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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 potatolm;an aha,8c00 ec9pd chips 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 variabl.wkjhs mj e .60fvd0i:es that must be controlled to give valid results in this experim ..6 vkesimjhw j0f:0dent.
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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 ax gl 5i-xz7od6b o*zpi .yt,6t ncvnzq. )-i)tre shown. Suggest how these uncertainties could be shown on the trend qpv *xit7)- xo- lcz.)6z 6 nb.ynt5tog,idzilines.
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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 e4 8*rd2clwlw $60^{th}$ 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 1 mxsaw -(+mbyn1yzps(mtf6+ 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 and the dqfylxz),- npg(am 5 53wngjdh +m)cf ;ata is presented in c (ng5fygl;, jfwax3)mq dh5+ m )pnz-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 cells with equal concent-p )boe9is+qm p5am 9aa 0;rdarations of solutesor-;a )mb+5psdip9 qem9a aa0 .
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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 concentrations. ()nbibog:o 9zvdq r6*Explain why these plants have ion transrzo ovqbb(*ng :6)9d 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 wateredfs 3(am3up eg0k67taf for a few days. Explain the changes that occur in the water potential of one of is0f3ut p7afmg6k3(ea ts cells when it is bathed in distilled water.
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