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Viruses MCQ - Multiple Choice Question and Answer

Viruses MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 15
Influenza virus contains

DNA
RNA
both DNA and RNA
none of these

Question No : 16
Edward Jenner discovered

vaccination against small pox
vaccination against chicken pox
immunization against small pox
immunization against chickcn pox

Question No : 17
Roux Sarcoma virus contains

RNA
DNA
DNA and RNA
none of these

Question No : 18
Which of the following is a viral disease of potato ?

Early blight of potato
Late blight of potato
Leaf roll of potato
None of these

Question No : 19
The term 'Virus' has been derived from a Latin word meaning

poison
secretion
cell
venom

Question No : 20
Which of the following is an example of DNA containing plant virus ?

Tobacco mosaic virus
Potato mosaic virus
Cauliflower mosaic virus
Tomato mosaic virus

Question No : 21
Rabies is caused by

viruses
slimemoulds
fungi
bacterium