Chapter 3 MICROORGANISMS AND DISEASE MCQs

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1. . The genetic ability of an organism to avoid or repel attack:





2. . The degree of pathogenicity within a group is:





3. . Infectious agent is:





4. . Which having adequate tolerance to avoid allergy:





5. . Antibodies — which is a special type of:





6. . Which one cells recognize antigen, then combat microorganisms:





7. . In which system antibodies are injected in the form of antisera:





8. . Which one cells recognize antigen and liberate antibodies into the blood:





9. . The components of the immune system include:





10. . In animals the physical barrier is:





11. . Which one is a viral disease:





12. . Which one defends the body against the foreign invader:





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