Question:

Active immunity is acquired by:

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Active immunity provides long-lasting protection, whereas passive immunity offers temporary protection.
Updated On: Sep 20, 2025
  • Administration of Immunoglobulin
  • Transferring of antibodies across placenta
  • Following subclinical infection like Polio and Diphtheria
  • Administration of antisera or anti-toxins
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The Correct Option is C

Solution and Explanation

Step 1: Understand the concept of active immunity.
Active immunity is acquired through the body's own immune response after exposure to a pathogen, such as through natural infection (e.g., subclinical infection like Polio and Diphtheria) or vaccination.
- Passive immunity involves the transfer of antibodies (e.g., administration of immunoglobulin or anti
-toxins), which provides short
-term protection.
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