Which of the statement about viruses is incorrect___________________?

A: We can not grow them in laboratories on artificial medias

B: They are obligate intracellular parasit

C: E.

D: C. They can synthesize their nucleic acid

E: D. They are resistant to most of antibiotic treatment

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They can synthesize their nucleic acid

A virion is______________?

A: Virus

B: Viral protein

C: Viral lysozyme

D: Viral gene

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Virus

For which of the following no preventive vaccine is available?

A: HAV

B: HBV

C: HCV

D: HEV

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HCV

Which one of the following specially result in chronic liver disease leading to hepatic failure:

A: HAV

B: HBV

C: HCV

D: HEV

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HCV

Protein coat the capsid of adenovirus is________________?

A: Surrounded by genome

B: Surrounding genome

C: Surrounding the envelope

D: Both B and C

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Surrounding genome

Mode of transmission of hepatitis A is__________?

A: Serum

B: Faeco-oral

C: Sexual contact

D: All of these

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Faeco-oral

Attachment of the bacteriophage with the receptor site on the bacterial cell wall involves_______________?

A: Strong covalent bond between virion and the receptor sit

B: Week chemical unior between them

C: Both A and B depending upon the phage

D: None of these

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Week chemical unior between them

The size of smallest virus is______________?

A: 10 nm

B: 20 nm

C: 30 nm

D: 40 nm

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20 nm

What percentage of light reaching the earth is used in photosynthesis?

A: 25%

B: 10%

C: 5%

D: 1%

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1%

Viruses are __________ smaller than bacteria?

A: 10 100 times

B: 10 1000 times

C: 100 1000 times

D: 1000 10000 times

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10 1000 times

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