Virus are sharply differentiated from bacteria by_______________?

Related Mcqs:

1. Hepatitis C virus belongs to which one of the following virus groups ?

   A. Picorna viruses
   B. Herpes viruses
   C. Hepadana viruses
   D. Flavi viruses

2. One virus particle prevents multiplication of 2nd virus. This phenomena is____________?

   A. Viral interference
   B. Mutation
   C. Supervision
   D. Permutation

3. Human immune deficiency virus is ________________ virus?

   A. Rheo
   B. Retro
   C. Rhabdo
   D. Flavi

4. The component that sensitizes bacteria and virus to UV irradiation_______________?

   A. Lipids
   B. Carbohydrates
   C. Inorganic salts
   D. Nucleic acids

5. Which virus given below is not a teratogenic virus ?

   A. Rubella
   B. Cytomegalovirus
   C. Herpes simplex
   D. Measles

6. The viral action is differentiated from bacterial action by_________________?

   A. Interferon production
   B. Toxin production
   C. Lymphocytes production
   D. Neutrophils production

7. Mycobacterium tuberculosis is differentiated from other atypical mycobacteria by______________?

   A. Niacin test
   B. AFB staining
   C. Pas staining
   D. None of the above

8. Pneumococus can be differentiated from streptococcus by________________?

   A. Type of hemolysis
   B. Gram staining
   C. Growth characteristics
   D. Bile solubility

9. Why fetal cells continue to divide but terminally differentiated adult cells do not divide ?

   A. There are many cyclin inhibitors which prevent cell to enter into S phase in adult
   B. Phosphatase absent in fetal cells
   C. Proteinase is absent in fetus
   D. Absence of CD kinase

10. Bone marrow stem cells differ from differ from differentiated progenitor stem cells in what respect ?

    A. Provide differentiated terminal cells
    B. Reconstitution of Bone marrow
    C. Formation of the ovum
    D. Act as a repair system for the body