Can You Pass This Toughest Microbiology Test? Quiz

50 Questions | Total Attempts: 257

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Can You Pass This Toughest Microbiology Test? Quiz

The study of microbiology has helped to find the cure on many diseases that affect living things and therefore helping in coming up with a cure or preventive measures. How well informed are you when it comes to microbiology? Take up the quiz below and see if you indeed do have what it takes to pass the toughest microbiology test. All the best!


Questions and Answers
  • 1. 
    The cell which gives rise to macrophages is the __________.
    • A. 

      Neutrophil

    • B. 

      Monocyte

    • C. 

      Basophil

    • D. 

      Lymphocyte

  • 2. 
    The lymphoid cells responsible for cellular immunity are:
    • A. 

      Macrophages

    • B. 

      B cells

    • C. 

      T cells

    • D. 

      Microphages

  • 3. 
    The term _____ refers to a microorganism's potential to cause disease or infection.
    • A. 

      Immunity

    • B. 

      Antigenicity

    • C. 

      Pathogenicity

    • D. 

      Virulence

  • 4. 
    The enzyme _______ found in mucous and tears of the body destroys certain bacteria.
    • A. 

      Interferon

    • B. 

      Lysozyme

    • C. 

      Antibody

    • D. 

      Thymosin

  • 5. 
    The greatest concentration of antibodies found in serum is:
    • A. 

      IgG

    • B. 

      IgM

    • C. 

      IgE

    • D. 

      IgA

  • 6. 
    The binding of an antibody to an antigen takes place on the _____ region of the molecule.
    • A. 

      Constant

    • B. 

      Variable

  • 7. 
    Which of the following antibiotics is active against fungi?
    • A. 

      Tetracycline

    • B. 

      Chloramphenicol

    • C. 

      Kanamycin

    • D. 

      Amphotericin B

  • 8. 
    Which of the following granulocytes is involved in inflammation?
    • A. 

      Monocytes

    • B. 

      Eosinophils

    • C. 

      Neutrophils

    • D. 

      Basophils

  • 9. 
    Antigens that stimulate the immune response are usually _________ molecules.
    • A. 

      Large

    • B. 

      Small

  • 10. 
    Immunoglobin A (IgA) antibodies:
    • A. 

      Provide protection on mucosal surfaces

    • B. 

      Enhance phagocytosis and neutralize toxins

    • C. 

      Agglutinate and lyse microbes

    • D. 

      Cause allergies

  • 11. 
    Substances that increase the susceptibility of microbes to destruction by phagocytes are:
    • A. 

      Complement

    • B. 

      Antigens

    • C. 

      Albumins

    • D. 

      Toxins

  • 12. 
    The formation of toxoids is a property of:
    • A. 

      Endotoxins

    • B. 

      Exotoxins

    • C. 

      Lymphokines

    • D. 

      Interleukins

  • 13. 
    The chemical agent that inhibits DNA gyrase is:
    • A. 

      Erythromycin

    • B. 

      Quinolone

    • C. 

      Penicillin

    • D. 

      Chloramphenicol

  • 14. 
    The enzyme produced by certain pathogenic staphylococci that disolves fibrin blood clots and helps invade tissues is:
    • A. 

      Coagulese

    • B. 

      Streptokinase

    • C. 

      Staphylokinase

    • D. 

      Peptokinase

  • 15. 
    Drugs that inhibit the synthesis of folic acid molecules are characteristic of ______ chemotherapeutic agents.
    • A. 

      Cyclic decapeptides

    • B. 

      Beta-lactams

    • C. 

      Macrolides

    • D. 

      Sulfonamides

  • 16. 
    The body's ability to resist infections by viruses is due to the secretion of ____ by many different cells.
    • A. 

      Interleukin I

    • B. 

      Macrophage activation factor

    • C. 

      Blastogenic factor

    • D. 

      Interferon

  • 17. 
    Microbes which contribute to the host by providing nutrition and protection against infection are known as ______ flora.
    • A. 

      Infective

    • B. 

      Transient

    • C. 

      Normal

    • D. 

      Opportunistic

  • 18. 
    The number of chemotherapeutic agents available to treat viral infections are considerably ______ than those available for treating bacterial disease.
    • A. 

      More numerous

    • B. 

      Less numerous

  • 19. 
    The accelerated and more intense response of antibodies to an antigen is due to the:
    • A. 

      Primary response

    • B. 

      Secondary response

  • 20. 
    The production of circulating antibodies to protect the body is called:
    • A. 

      Phagocytosis

    • B. 

      Cellular (T cell) immunity

    • C. 

      Humoral (B cell) immunity

    • D. 

      Natural immunity

  • 21. 
    Acyclovir can be used to treat ______ infections.
    • A. 

      Bacterial

    • B. 

      Fungal

    • C. 

      Protozoan

    • D. 

      Viral

  • 22. 
    The development of ______ to antibiotics by bacteria is associated with the R plasmid.
    • A. 

      Sensitivity

    • B. 

      Resistance

  • 23. 
    Substances produced by bacteria that destroy red blood cells are:
    • A. 

      Kinases

    • B. 

      Siderophores

    • C. 

      Hemolysins

    • D. 

      Defensins

  • 24. 
    All of the following are bacterial structures which enable them to attach to the surface of a host except:
    • A. 

      Capsules

    • B. 

      Fimbriae

    • C. 

      Spikes

    • D. 

      Inclusions

  • 25. 
    All of the following are components of non-specific defenses except:
    • A. 

      Intact skin

    • B. 

      Mucous membrane

    • C. 

      Digestive juices

    • D. 

      Antibody production