Question # 1

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

Vaccine for___ is under trial administration

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Hep A

Polio

Measles

AIDS

The persistent symptoms of small pox are

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Raised fluid filled vesicles

The pocks

Pustules

Vascular lesions

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

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

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Bacteriophage

Polio virus

HIV

HV

It is not a symptom of AIDS

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Swollen lymph nodes

Loss of immunity

Swollen neck

Pneumonia

Which type of hepatitis leads to chronic liver disease?

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Hepatitis D

Hepatitis A

Hepatitis B

Hepatitis C

The phage is called temperate when it causes

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Virulence

Lysis

Lysogeny

Bursting of host cell

Isosahedral viruses usually have ___

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10 faces

20 faces

15 faces

5 faces

Genome of the acellular particle mainly comprised of

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Protein

Sugars

Lipid

Nucleic acid

The particles which do not contain any nucleic acid are

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Viruses

Prions

Viroids

All

What is done to monkeys by HIV

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Multiplication and disease

Infection and multiplication

Infection and disease

None

DNA of non-virulent phage is

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Provirus

Prophage

Both

None

Virus without envelope is

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HIV

Hepatitis B

Polio virus

Hepatatis C

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

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Envelope

Spikes

Both

Capsid

In lytic cycle, the relationship between bacterium and bacteriophages is

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Symbiotic

Master-slave

Husband wife

Host-guest

Which is irrelevant?

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Genome to virus structure

Capsomeres to Capsid

Tumors to retroviruses

Envelope to all viruses

The smallest known virus is

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HIV virus

HBV virus

Influenza virus

Polio virus

Viruses are not resistant to

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Interferons

Penicillin

Streptomycin

Any antibiotic

In life cycle of bacteriophage, ______ occurs followed by_______.

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Assembly. Penetration

Multiplication, landing

Tail contractio, Penetration

Penetration, Assembly

Which type of nucleic acid is found in the capsid of HIV

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RNA

DNA

ssDNA

None

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