MHT CET Biology question

In which one of the following options the two examples are correctly matched with their particular type of immunity?

(A)Polymorphonuclear leukocytes and monocytes – Cellular barriersCorrect
(B)Anti-tetanus and anti-snake bite injections – Active immunity
(C)Saliva in mouth and tears in eyes – Physical barriers
(D)Mucus coation of epithelium lining the urinogenital tract and the HCl in stomach – Physiological barriers

Answer: (A)

Solution

Polymorphonuclear leukocytes and monocytes are phagocytic cells, i.e. cellular barriers; anti-tetanus and anti-snake bite injections give passive

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Question ID VK-044625