Question # 1

Newly synthesized Large proteins are digested into small viral proteins by

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Host protease

Viral protease

Viral RT

Host pepsin

Virus without envelope is

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HIV

Hepatitis B

Polio virus

Hepatatis C

Crystallization of viruses was done by _____ for the first time

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Ivanowsky

Twort

Stanley

Robert Koch

The particles which do not contain any nucleic acid are

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Viruses

Prions

Viroids

All

Patient of AIDS is susceptible to many infections due to

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Severe pneumonia

Swollen lymph nodes

Loss of immune system

All of these

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

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Core

Capsid

Envelope

Genome

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

The best known phages are T phages that infect

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Pseudomonas

Mycoplasma

Escherichia Coli

Salmonella

Viruses containing RNA rather than DNA are called

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Riboviruses

Bacteriophages

Rotaviruses

Retroviruses

Genome of the acellular particle mainly comprised of

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Protein

Sugars

Lipid

Nucleic acid

Choose the correct option about the following figure:

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A is showing Envelope

B is not showing envelope

C is showing RT

D is showing RNA

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