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Viruses MCQ Question with Answer

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

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Question No : 8
The virus DNA which is incorporated into bacterial DNA is termed as

episome
mesosome
free DNA
T-phage

Question No : 9
Virus was crystallized and isolated first by

D. Iwanowski
F.C. Bawden
W.M. Stanley
K.M.Smith

Question No : 10
Little leaf disease of brinjal is caused by

viruses
bacteria
fungi
none of these

Question No : 11
The smallest virus has a size of

1 nm
3 nm
6 nm
2 nm

Question No : 12
Which of the following is devoid of protein coat, with a constitution of RNA only ?

Tobacco mosaic virus
Poxvirus
Potato spindle tuber virus
None of these

Question No : 13
Genetic modification brought about by a virus in a bmleria is known as

transformation
transduction
conjugation
candidiasis

Question No : 14
Viruses are believed to be

living organisms
non-living organisms
a transitional group between living and non-living world
living organisms which have lost the power of multiplication

Wanna test your skill? Here are some exams we prepared for you. So if you need to test your skill just attempt any exam from bellow.

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