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P
Direction for Questions
Choose the correct option.
(a) Both \( \mathrm{A} \) and \( \mathrm{R} \) are true and \( \mathrm{R} \) is the correct explanation for \( \mathrm{A} \).
(b) Both \( \mathrm{A} \) and \( \mathrm{R} \) are true, but \( \mathrm{R} \) is not the correct explanation for \( \mathrm{A} \).
(c) \( A \) is true and \( R \) is false.
(d) \( \mathrm{A} \) is false and \( \mathrm{R} \) is true.
Assertion (A): Innate immunity is non-specific type of defence present at the time of birth.

Reason (R): Saliva, tears and sweat act as physiological barriers for innate immunity.
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