Saturday, December 1, 2012

Vocabularies and exercises for 'Virus' text



exercise of english

Vocabularies :

Infectious :menular
Agent :alat
envelope : amplop/sampul
helical :sepertibentukskrup
evolve :menyusun
aphid :kumbangkecilpenghisap
provoke :menimbulkan
immune :kebal/bebas
confer :member/berbuat
acquire :memperoleh
viral :disebabkanoleh virus
evade3 :menghindarkan


A. Answer the questions bellow!

1.      What is virus based on the text above?
2.      How is the way to see the viruses?
3.      What kind of organisms infected by viruses?
4.      What is virology and microbiology?
5.      Describe the structure of virus!
6.      How can the virus infects an organism? Explain it!
7.      What is the function of protein in the virus?
8.      Viruses spread in many ways, please mention it!
9.      Where from HIVis  viruses transmitted?
10.  What is host range?
11.  How we can protect our body from viruses?
12.  How is immune protects us from viruses?



b.      Complete the text bellow according to the text!



1.      A virus is a small .... …….  that can replicate only inside the living cells of organisms

2.      Viruses infect all types of  …… , from animals and plants to bacteria and archaea

3.      Viruses are found in almost every ……… on Earth and are the most abundant type of biological entity

4.      Virus particles (known as virions) consist of two or three parts: the genetic material made from either …..  or ……

5.      The shapes of viruses range from simple …… and ……. forms to more complex structures.

6.      The average virus is about …….. the size of the average bacterium.

7.      In evolution, viruses are an important means of ………  ……..  …….., which increases ……  ……..

8.      Viruses in plants are often transmitted from plant to plant by ……… that feed on the ……  of plants, such as aphids.

9.      viruses in animals can be carried by …………….. insects

10.  ……..  is one of several viruses transmitted through sexual contact and by exposure to infected blood.

11.  Viral infections in animals provoke an ………. ………. that usually eliminates the infecting virus

12.  Immune responses can also be produced by ……….. , which confer an artificially acquired immunity to the specific ……..  infection

13.  some viruses including those causing AIDS and …… …….  evade these immune responses and result in …….. infections

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