GUJCET 2020 Biology Solved Paper

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Question : 7 of 40
 
Marks: +1, -0
Match the column I with column II and write the correct option.
Mineral ions Importance
(i) Cellular barrier(p) Saliva in themouth
(ii) Physiologicalbarrier (q) Interferons
(iii) Cytokine barrier(r) Natural killer (type of lymphocyte)
(iv) Physical barrier (s) Mucus coatingof the respiratorytract
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