Viruses and Viroids: MCQs (Multiple Choice Questions) on Viruses and Viroids. Quiz Test No. 1
More MCQs on: “Microorganisms”
Viruses and Viroids: MCQs Quiz - 1
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The genetic material in virus is
DNA and RNA
DNA or RNA
Protein coat of a virus enclosing nucleic acid is called
The Phages that show lysogenic cycle are called
None of these
Which one of the following enzymes is present in the bacteriophage?
Which one of the following viruses contains both DNA and RNA?
Virus multiplies in
Provirus is _____.
integrated viral genome
The tobacco mosaic virus (TMV) is approximately ___ in size.
300 × 18 nm
3000 × 5 nm
800 × 10 nm
700 × 30 nm
A T-series bacteriophage can be recognized by its
In AIDS, HIV kills
The non-living characteristic of viruses is
ability to undergo mutation
ability to cause diseases in the host
ability to multiply only inside the host
ability to be crystallized
Which one of the following statements about viruses is correct?
Viruses are obligate parasites
All viruses contain both RNA and DNA
Viruses possess their own metabolic system
Nucleic acid of viruses is known as Capsid
DS-DNA enclosed by protein coat
SS-DNA not enclosed by protein coat
SS-RNA not enclosed by protein coat
DS-RNA enclosed by protein coat
Which of the following statements is false?
The bacteriophage has a double-stranded DNA molecule
Most plant viruses are RNA viruses
TMV has a double-stranded RNA molecule
Most animal viruses are DNA viruses
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