Identify the hepatitis virus, which cannot survive independently and requires another hepatitis virus for its multiplication:

1.  Hepatitis- A virus

2.  Hepatitis- B virus

3.  Hepatitis- C virus

4.  Hepatitis- D virus

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4
Correct Answer :

Hepatitis- D virus


Explanation :
No Explanation available for this question

Cell wall in all bacteria is composed of:

1.   lipid and protein

2.   murein

3.   protenins only

4.  cellulose and lipids

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4
Correct Answer :

 murein


Explanation :
No Explanation available for this question

Cell wall in all bacteria is composed of:

1.   lipid and protein

2.   murein

3.   protenins only

4.  cellulose and lipids

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4
Correct Answer :

 murein


Explanation :
No Explanation available for this question

Which has ssRNA

1.  HAV

2.  HB

3.  Ascaris

4.  Entamoeba

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4
Correct Answer :

HAV


Explanation :
No Explanation available for this question

Genophore is the name of:

1.  DNA of eukaryotes

2.  DNA of protist

3.  DNA of  prokaryotes

4.  DNA of Drosophila.

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4
Correct Answer :

DNA of  prokaryotes


Explanation :
No Explanation available for this question

Blumberg(1963) discovered:

1.  HIV

2.  HBV

3.  HAV

4.  Cold virus

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4
Correct Answer :

HBV


Explanation :
No Explanation available for this question

Small proteins produced by vertebrate cells naturally in response to viral infections and which inhibit multiplication of viruses are called:

1.  Antitoxins

2.  Interferons

3.  Lipoproteins

4.  Immunoglobulins

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4
Correct Answer :

Interferons


Explanation :
No Explanation available for this question

Micro-organisms in milk are killed by heat treatment at controlled temperature without altering the natural characteristics of milk through a process called:

1.  boiling

2.  immunisation

3.  pasteurization

4.  sterilization

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4
Correct Answer :

pasteurization


Explanation :
No Explanation available for this question

Naked DNA is that which is:

1.  not covered by nuclear envelope

2.  present in cytoplasm

3.  associated with histone proteins.

4.  not associated with histone proteins

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4
Correct Answer :

not associated with histone proteins


Explanation :
No Explanation available for this question

Genetic material of retrovirus is:

1.  DNA

2.  RNA

3.  Both DNA and RNA

4.  None of these

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4
Correct Answer :

RNA


Explanation :
No Explanation available for this question
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