Question # 1

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

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Envelope

Spikes

Both

Capsid

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

Which of the following is not an enzyme of HIV

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Reverse transcriptase

Integerase

Protease

Ligase

They are Tumor causing viruses and are usually host specific

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Polio viruses

Retroviruses

Oncoviruses

Both b and c

Vaccine for___ is under trial administration

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Hep A

Polio

Measles

AIDS

Which of the following disease is not caused by virus?

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Cholera

Hepatitis

Influenza

Polio

Structural proteins of HIV are

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Encoded by virus genes

Synthesized by host ribosomes

Digested by viral enzymes

All of these

What is done to monkeys by HIV

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Multiplication and disease

Infection and multiplication

Infection and disease

None

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

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Cd2

Cd4

Cd8

Gp120

Example of a virus having tadpole shape consisted of head and tail

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Bacteriophage

Polio virus

HIV

HV

Which of the following acts as template strand for reverse transcription

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Viral DNA

Viral RNA

Host DNA

Host RNA

It is not a symptom of AIDS

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Swollen lymph nodes

Loss of immunity

Swollen neck

Pneumonia

Which of the following virus is DNA enveloped

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Polio virus

Hepatitis B virus

HIV

Measles virus

Which of the following is a living character of virus

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Formation of Crystals

Production of new viral particles

Coordination

Metabolism

The smallest known virus is

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HIV virus

HBV virus

Influenza virus

Polio virus

Which of the following is a common feature of all viruses

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DNA replication in cytoplasm

RNA synthesis in nucleus

Protein synthesis in cytoplasm

Reverse transcription in cytoplasm

If you are studying the structure of HIV , you will observe spikes associated with the

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Core

Capsid

Envelope

Genome

Crystallization of viruses was done by _____ for the first time

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Ivanowsky

Twort

Stanley

Robert Koch

Virus without envelope is

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HIV

Hepatitis B

Polio virus

Hepatatis C

An isolated virus is not considered living, since it

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Separates into two inert parts

Cannot metabolize

Rapidly loses its genome

It coated with an air tight shield

Viruses reproduce through a process

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Binary fission

Replication

Both a and b

Transformation

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