Home

Viruses MCQ Question with Answer

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

Download Viruses MCQ Question Answer PDF

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