Q1. Which organism is responsible for causing amoebiasis?A. Entamoeba histolyticaB. Plasmodium falciparumC. Salmonella typhiD. Streptococcus pneumoniae
Q2. Which of the following statements about antibodies is incorrect?A. Antibodies are produced by plasma cells.B. Antibodies help neutralize pathogens.C. Antibodies can destroy bacteria directly.D. Antibodies recognize and bind to specific antigens.
Q3. Which of the following is a symptom of severe malaria?A. Mild feverB. Persistent coughC. Severe anemiaD. Joint pain
Q4. Which of the following is an example of a toxoid vaccine?A. Polio vaccineB. BCG vaccineC. Tetanus vaccineD. Hepatitis B vaccine
Q5. Which of the following diseases is NOT caused by bacteria?A. TuberculosisB. TyphoidC. MalariaD. Diphtheria
Q6. Which of the following statements about the lymphatic system is incorrect?A. The lymphatic system helps in immune responses.B. Lymphatic vessels transport oxygen to tissues.C. Lymph nodes filter pathogens from lymph.D. The lymphatic system absorbs dietary fats.
Q7. Which of the following statements about interferons is correct?A. Interferons are produced by virus-infected cells.B. Interferons attack bacteria directly.C. Interferons suppress the immune response.D. Interferons prevent antibody production.
Q8. Which of the following statements about cytokines is incorrect?A. Cytokines are signaling molecules of the immune system.B. Cytokines help in cell-to-cell communication during immune responses.C. Cytokines directly attack and destroy pathogens.D. Cytokines regulate inflammation and immune responses.
Q9. Which of the following statements about inflammation is incorrect?A. Inflammation helps eliminate pathogens.B. Inflammation always causes harm to the body.C. Inflammation increases blood flow to affected areas.D. Inflammation plays a role in tissue repair.
Q10. Which of the following diseases is associated with severe immunosuppression?A. TuberculosisB. AIDSC. TyphoidD. Dengue