Typhoid fever is caused by a species of 
(a) Streptococcus
(b) Staphlococcus 
(c) Salmonella
(d) Mycobacterium 

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HIV is a member of a group of viruses called
(a) bacteriophages
(b) geminiviruses
(c) lysogenic viruses
(d) retroviruses

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Humoral immunity system is mediated by

(a) B-cells
(b) T-cells
(c) NK-cell
(d) plasma cells

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The type of immunoglobulin present in the foetus are
(a) IgD
(b) IgE
(c) IgG
(d) IgM

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Leukaemia is caused by

(a) Ca 40
(b) Sr 90
(c) caesium
(d) iodine

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An autoimmune disease is
(a) B-lymphocytes induced
(b) haemophillia
(c) myasthenia gravis
(d) None of the above

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The main function of the white blood cell in the human intestine system is to 
(a) Combat and destroy antigenic particles
(b) produce antigens to combat antibodies
(c) carry oxygen around the body 
(d) transport antigens to B memory cells in the lymph nodes 

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Blood cells that increase in number during allergic conditions like asthma are 
(a) neutrophils
(b) basophils
(c) eosinophils
(d) lymphocytes

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LSD is

(a) hallucinogenic
(b) sedative
(c) stimulant
(d) tranquiliser

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Monoclonal antibodies are

(a) obtained from a cell and act on one antigen

(b) obtained from a group of cells and act on more than one antigens

(c) obtained from a group of same type of cells and act on single antigen

(d) obtained from a group of same type of cells and act on more than one antigens

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