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习题练习:HL Topic A2.3 Viruses

 作者: admin 发布日期: 2025-01-24 21:47   总分: 13分  得分: _____________

答题人: 游客未登录  开始时间: 25年01月24日 11:20  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) (组内1/6) 切至整卷模式 搜藏此题  
第 1 题组 (共 6 题 6 分)
  1. Which of the following features do v ix)lt8y 8p*ujas ex;(iruses have in common with living organisa8tl*x xsy ;eu 8pi)(jms?

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2#
 
单选题 ( 1.0 分) (组内2/6) 切至整卷模式 搜藏此题  
  2. Which of the following factors complicateut copx*ye 771s the treatment of human viral infectionsy1epou t*xc 77?

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3#
 
单选题 ( 1.0 分) (组内3/6) 切至整卷模式 搜藏此题  
  3. Which of the following is the best description of the relationship beh79de,v8 nsrbva- oxk84 wc1cc/ f) xttween the vir1 7ewrs8fn )txa/ 9 ko4hvccvc -b8,xdus and host organism?

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4#
 
单选题 ( 1.0 分) (组内4/6) 切至整卷模式 搜藏此题  
  4. Which of the following are strqrvbmx9wzk* co 651 4ructures that all viruses possess?

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5#
 
单选题 ( 1.0 分) (组内5/6) 切至整卷模式 搜藏此题  
  5. Viruses have several formtc17ie++ , oeizbwi y3s of genetic information but many structural features in common. What does this suggest in terms of their evolution?ow+i be,z17y+i3c tie

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6#
 
问答题 ( 1.0 分) (组内6/6) 切至整卷模式 搜藏此题  
7. Compare and contrast the lytic cycle with ti jj p2l3fs/n2he lysogenic cycle of viral infection of a host cellpj /2si nf2j3l.
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7#
 
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 shows the known number of Ebola infections worldwide from 1976 to 2015.
(a) Estimate the number of cases of;e/lss1 b o)xc Ebola in 1976-1977.
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8#
 
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 shows the known number of Ebola infections worldwide from 1976 to 2015.
(b) The total number of case of Ebola from 2000 to 2009 was 1194.g tydz7km93i 3g+2s aa Calculate the total number of cases t23+9 i y3gsakdmtgaz7hat occurred from 1990 to 1999.
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9#
 
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 shows the known number of Ebola infections worldwide from 1976 to 2015.
(c) Calculate the percentage increase in the total number of cases from 2002(1iil6zzy 6z+cuhv x0 to 2009 in comparison6cz2zv i6+y zluh1(ix to 1990 to 1999.
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10#
 
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 shows the known number of Ebola infections worldwide from 1976 to 2015.
(d) The Ebola virus first appeared j46sbajb5(( l /m i/viuf5m hnin humans in 1976. Suggest how the virus first apmjb/iu5 v(s6fnblj ha/ 4 mi5(peared in the
human population.
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11#
 
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 shows the known number of Ebola infections worldwide from 1976 to 2015.
(e) A vaccine was trialled in 2018 and shown to be effective. It was made widelykg j y,8v0lw ./gaorglv +l-)o available from 2020. Suggest why a vaccine against a viral infection may prove ineffective0rklg.ag vwol+y/) 8v,o l- jg in the long term.
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12#
 
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 shows the known number of Ebola infections worldwide from 1976 to 2015.
(f) The genetic materi,b(ed9/9 lpcf qne1 jhal of the Ebola virus is single strand RNA. List two other forms b 9,1hel9cednq fpj /(that viral
genetic material may take.
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13#
 
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 shows the known number of Ebola infections worldwide from 1976 to 2015.
(g) The image below shows a particle o 23v5/lb5gb.bs;x lxu ah c:cif the Ebola virus

The virus is approximately 1000 nm in length. Convert this size into µm.
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