Column I lists the components of body defence and column II lists the corresponding descriptions. Match the two columns and choose the correct option.
Column-I Column-II
(components of body defecnce) (Description)
A. Active natural immunity I. Injection of gamma globulins
B. First line of defence II. Complement proteins and interferons
C. Passive natural immunity III. Direct contact with the pathogens that have entered inside
D. Second line of defence IV. Surface barriers
V. Antibodies transferred through the placenta
Text Solution
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