Q 1. Malignant tertiary malaria is caused by Plasmodium:
(a) Vivax
(b) ovale
(c) malariae
(d) falciparum
Answer- d, Falciparum
Q 2. The pathogens responsible for causing elephantiasis are transmitted to a healthy person through
(a) Droplet
(b) Female mosquito vector
(c) Contaminated food and water
(d) Sexual contact
Answer- b, Female mosquito vector
Q 3. Interferons are secreted by:
(a) Liver
(b) Spleen
(c) Virus-infected cells
(d) Lymphocytes
Answer- c, Virus-infected cells
Q 4. A recipient’s body rejects grafts due to the following type of immunity:
(a) Innate immunity
(b) Humoral immunity
(c) Cell-mediated immunity
(d) Either b or c
Answer- c, cell-mediated immunity
Q 5. Which blood cells reproduce HIV and produce progeny viruses?
(a) Eosinophils
(b) THcells
(c) B-lymphocytes
(d) Basophils
Answer- b, THcells
Q 6. Which of the following is used in the production of the recombinant Hepatitis B vaccine?
(a) Yeast
(b) Microsporum
(c) Ecoli
(d) Streptococcus
Answer- a, Yeast
Q 7. Select the incorrect statement regarding acquired immunity.
(a) Acquired immunity is a nonspecific type of defense present at birth.
(b) A primary response occurs when our body first encounters a pathogen.
(c) Subsequent encounters with the same pathogen provoke anamnestic reactions.
(d) Anamnestic reactions are based on memories of the first encounter.
Answer- a, Acquired immunity is a nonspecific type of defense present at birth.
Q 8. What are the protein coat and genetic material present in HIV?
(a) ss RNA
(b) ds RNA
(c) ss DNA
(d) ds DNA
Answer- a, ss RNA
Q 9. Why is Cyclosporine used?
(a) For allergy
(b) As immunosuppressant
(c) Prophylactic for virus
(d) None of the above
Answer- b, Immunosuppressant
Q 10. Foreign cells are lysed by?
(a) IgM
(b) IgA
(c) IgE
(d) IgM & IgG
Answer- d, IgM and IgG
Q 11. Colostrum secreted from the mammary gland contains which type of antibodies?
(a) lgMm
(b) IgD
(c) IgE
(d) IgA
Answer- d, IgA
Q 12. What is the function of antigen?
(a) lowers body temperature
(b) kills harmful bacteria
(c) triggers the immune system
(d) As an antidote to poison, it is used
Answer- c, triggers the immune system
Q 13. In a primary immune response to an antigen, which of the following is a pentameric immunoglobulin?
(a) IgG
(b) IgM
(c) IgA
(d) Ige
Answer- b, IgM
Q 14. If you suspect a major deficiency of antibodies in a person, to which of the following would you look for confirmatory evidence?
(a) Serum globulins
(b) Fibrinogen in plasma
(c) Serum albumin
(d) Haemocytes
Answer- a, Serum globulins
Q 15. What is the largest percentage of immunoglobulins in human milk?
(a) IgM
(b) IgA
(c) Igd
(d) IgE
Answer- a, IgM