Question # 1

Viruses containing RNA rather than DNA are called

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Riboviruses

Bacteriophages

Rotaviruses

Retroviruses

Mad cow infection is caused by ____

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Viroid

Virion

Prion

Bacteria

Which of the following is not an enzyme of HIV

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Reverse transcriptase

Integerase

Protease

Ligase

Herpes type-1 virus causes

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Pitted scars

Swollen neck

Rashes on genitals

Vascular lesions

Viral core always contain __ among the following

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DNA

RNA

Both A and B

Any of A or B

They are Tumor causing viruses and are usually host specific

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Polio viruses

Retroviruses

Oncoviruses

Both b and c

Which of the following virus is DNA enveloped

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Polio virus

Hepatitis B virus

HIV

Measles virus

HIV attaches on cell membrane of T cell at _____ receptor site

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Cd2

Cd4

Cd8

Gp120

Causative agent of mysterious brain infection is composed of

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DNA+Protein

RNA+Protein

RNA only

Protein only

What is done to monkeys by HIV

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Multiplication and disease

Infection and multiplication

Infection and disease

None

Which type of hepatitis leads to chronic liver disease?

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Hepatitis D

Hepatitis A

Hepatitis B

Hepatitis C

Genome of the acellular particle mainly comprised of

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Protein

Sugars

Lipid

Nucleic acid

Viruses are not resistant to

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Interferons

Penicillin

Streptomycin

Any antibiotic

In HIV infection cycle, uncoating of virus takes place

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Outside the T-cell

Inside the cytoplasm of T-cell

Inside the nucleus of T-cell

Inside the mitochondria of T-cell

Chemical nature of spikes present on HIV

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Protein

Carbohydrate

Glycolipid

Glycoprotein

Structural proteins of HIV are

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Encoded by virus genes

Synthesized by host ribosomes

Digested by viral enzymes

All of these

Major cells infected by HIV are

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Monocytes

B lymphocytes

T lymphocytes

RBC

Joining of viral DNA with host DNA is carried out by

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Integerase

Ligase

Both

Polymerse

Retroviruses cause tumors in

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Rodents

Fowls

Cats

All

The smallest known virus is

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HIV virus

HBV virus

Influenza virus

Polio virus

Which of the following part of virus does not enter into host cell

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Envelope

Spikes

Both

Capsid

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