Biology Mcqs

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

A. Hepatitis virus
B. Retrovirus
C. Polio virus
D. Pox virus

The agent of controversial nature causing mad cow infection is_____________?

A. Bacteria
B. Cowpox Virus
C. Adenovirus
D. Prion

Which of the following is the smallest known virus:

A. Hepatitis virus
B. Retrovirus
C. Polio virus
D. Pox virus

An isolated virus is not considered living since it________________?

A. Separates in to two inner parts
B. Can not metabolize
C. Rapidly looses its Genome chemical inert
D. Is coated with an air tight shield

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

A. Polio
B. Hepatitis
C. AIDS
D. HIV

Bacteriopahage that infect E. coli are called_____________?

A. M type
B. N type
C. T type
D. S type

Which of the following statement about AIDS is incorrect:

A. is a host specific disease
B. An infected mother cannot pass the virus to her baby.
C. Results in enlargement of lymph nodes
D. Can be prevented.

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

A. Strong covalent bond between virion and the receptor site.
B. Week chemical unior between them
C. Both A and B depending upon the phage
D. None of these

Mode of transmission of hepatitis A is__________?

A. Serum
B. Faeco-oral
C. Sexual contact
D. All of these

Protein coat the capsid of adenovirus is________________?

A. Surrounded by genome
B. Surrounding genome
C. Surrounding the envelope
D. Both B and C