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Virus And Bacteria Review

Test Description: Review for differentiating between viruses and bacteria

Instructions: Answer all questions to get your test result.

1) Which of the following are infectious RNA particles that cause disease in plants?

Abacteria Bviroids Cprions Dviruses

2) Which of the following cause disease?

Aviruses Bbacteria Call of the above Dprions

3) Which is/are unicellular?

Aprions Ball of the above Cbacteria Dviruses

4) Which is/are considered obligate intracellular parasites?

Aall of the above Bvirus Cprion Dbacteria

5) Which has/have nucleic acid?

Aviruses Bprions Cbacteria Dboth bacteria and viruses

6) Which one's structure consists of a protein capsid and a nucleic acid core?

Aprion Bvirus Cbacteria Dall of the above

7) Which can exchange genes through conjugation?

Aall of the above Bprion Cbacteria Dvirus

8) Which can replicate through lytic life cycle?

Abacteria Bprion Call of the above Dvirus

9) Antibiotics cannot prevent viruses from making cell walls because viruses

Aproduce natural antibiotics Bhave built up resistance Cneutralize chemicals with toxins Ddo not have cell walls

10) Bacteria that are rod shaped are called

Acoccus Bspirillium Cstrep Dbacillus

11) This structure, present in some bacteria, enables the cell to survive harsh conditions like extreme heat or drought

Acell wall Bcapsule Cendospore Dpilus

12) Pathogenic organisms

Acan be virus, bacteria or prion Bare untreatable Ccause disease Dcause disease and can be viruses, prions or bacteria

13) Viruses can be transmitted or spread by

Acontaminated water Bcontaminated food Cbody fluids Dall of these

14) Two major groups of bacteria are

Aarcheabacteria and pathogenic bacteria Barcheabacteria and prokaryotica Ceubacteria and pathogenic bacteria Darcheabacteria and eubacteria

15) How is lytic cycle different from a lysogenic cycle?

Anone of these Bthe host cell is destroyed in a lysogenic cycle Cthe host cell is destroyed in a lytic cycle Da provirus is formed during a lytic cycle

16) Viruses are not classified as living organisms because

Aviruses are not capable of replicating themselves without a host cell Bviruses do not always contain DNA as their genetic material Cviruses do not possess a nucleus Dviruses do not contain any proteins

17) In which of the following types of infection will the infected host cell burst?

Alytic Bprophage Clysogenic Dprovirus

18) In which of the following types of infection will the infected host cell DNA become integrated with viral DNA?

Aprophage Blysogenic Clytic Dprovirus

19) Prokaryotes can move by the use of

Apili Bplasmids Cendospores Dflagella

20) The ____ of a prokaryotic cell contains peptidoglycan.

Aendonucleus Bcell wall Ccapsule Dcell membrane

*select an answer for all questions

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