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प्रश्न
Tears contain:
विकल्प
lgA
lgG
lysozyme
all of these
MCQ
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उत्तर
All of these
Explanation:
Tears contain several protective substances, including immunoglobulin A (IgA), which provides immune defense on mucosal surfaces, immunoglobulin G (IgG), and the enzyme lysozyme, which kills bacteria by breaking down their cell walls. Together, these components help protect the eye from infection by neutralizing pathogens and preventing their entry and growth.
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