GUJCET 2020 Biology Solved Paper
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Question : 7 of 40
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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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