Question # 1

Head of T4 bacteriophage contain

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Single stranded DNA

Double stranded DNA

Single stranded RNA

Both RNA and DNA

Major cells infected by HIV are

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Monocytes

B lymphocytes

T lymphocytes

RBC

The best known phages are T phages that infect

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Pseudomonas

Mycoplasma

Escherichia Coli

Salmonella

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

It is not a symptom of AIDS

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Swollen lymph nodes

Loss of immunity

Swollen neck

Pneumonia

They are Tumor causing viruses and are usually host specific

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Polio viruses

Retroviruses

Oncoviruses

Both b and c

Which type of hepatitis leads to chronic liver disease?

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Hepatitis D

Hepatitis A

Hepatitis B

Hepatitis C

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

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Envelope

Spikes

Both

Capsid

Pick up the false statement regarding HIV

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Lipoprotein envelope

Two RNA molecules

Two molecules of RT enzyme

Round shaped capsid

Which of the following virus is DNA enveloped

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Polio virus

Hepatitis B virus

HIV

Measles virus

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 type of hepatitis is called serum hepatitis

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Hepatitis A

Hepatitis B

Hepatitis C

Hepatitis D

The persistent symptoms of small pox are

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Raised fluid filled vesicles

The pocks

Pustules

Vascular lesions

Virus without envelope is

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HIV

Hepatitis B

Polio virus

Hepatatis C

Chemical nature of spikes present on HIV

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Protein

Carbohydrate

Glycolipid

Glycoprotein

Mad cow infection is caused by ____

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Viroid

Virion

Prion

Bacteria

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

Which of the following disease is not caused by virus?

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Cholera

Hepatitis

Influenza

Polio

Newly synthesized Large proteins are digested into small viral proteins by

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Host protease

Viral protease

Viral RT

Host pepsin

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