Q.

Read the following statements.
A) Usually a virus contains both DNA and RNA.
B) Viruses can have both capsid and genetic material.
C) Viruses that infect animals can have single stranded RNA.
D) Bacteriophages usually have ss DNA.
How many statements are incorrect?

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a

Three

b

Two

c

Four

d

One 

answer is B.

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Detailed Solution

Viruses can have either DNA or RNA as genetic material but not both. Bacteriophage Bacteriophages has dsDNA.

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Read the following statements.A) Usually a virus contains both DNA and RNA.B) Viruses can have both capsid and genetic material.C) Viruses that infect animals can have single stranded RNA.D) Bacteriophages usually have ss DNA.How many statements are incorrect?