Biology MCQs

Page No. 77

Which of the following virus has special affiliations with the tumor production:


aHepatitis virus

✖


bRetrovirus

✓


cPolio virus

✖


dPox virus

✖


View Answer Retrovirus

The agent of controversial nature causing mad cow infection is_____________?


aBacteria

✖


bCowpox Virus

✖


cAdenovirus

✖


dPrion

✓


View Answer Prion

Which of the following is the smallest known virus:


aHepatitis virus

✖


bRetrovirus

✖


cPolio virus

✓


dPox virus

✖


View Answer Polio virus

An isolated virus is not considered living since it________________?


aSeparates in to two inner parts

✖


bCan not metabolize

✓


cRapidly looses its Genome chemical inert

✖


dIs coated with an air tight shield

✖


View Answer Can not metabolize

Complex symptoms like severe pneumonia vascular tumor sudden weight loss swollen lymph nodes and immune deficiency are features of:


aPolio

✖


bHepatitis

✖


cAIDS

✓


dHIV

✖


View Answer AIDS

Bacteriopahage that infect E. coli are called_____________?


aM type

✖


bN type

✖


cT type

✓


dS type

✖


View Answer T type

Which of the following statement about AIDS is incorrect:


ais a host specific disease

✖


bAn infected mother cannot pass the virus to her baby.

✓


cResults in enlargement of lymph nodes

✖


dCan be prevented.

✖



Attachment of the bacteriophage with the receptor site on the bacterial cell wall involves_______________?


aStrong covalent bond between virion and the receptor site.

✖


bWeek chemical unior between them

✓


cBoth A and B depending upon the phage

✖


dNone of these

✖



Mode of transmission of hepatitis A is__________?


aSerum

✖


bFaeco-oral

✓


cSexual contact

✖


dAll of these

✖


View Answer Faeco-oral

Protein coat the capsid of adenovirus is________________?


aSurrounded by genome

✖


bSurrounding genome

✓


cSurrounding the envelope

✖


dBoth B and C

✖


View Answer Surrounding genome

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