Question:

The foetus receives some antibodies from their mother through the placenta during pregnancy. Choose the correct option that shows the type of immunity developed in the foetus.

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Naturally acquired passive immunity is temporary and obtained via transfer of ready-made antibodies, such as from mother to fetus.
Updated On: Jun 18, 2025
  • Naturally acquired active immunity
  • Artificially acquired passive immunity
  • Naturally acquired passive immunity
  • Artificially acquired active immunity
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The Correct Option is C

Solution and Explanation

Step 1: Passive immunity occurs when antibodies are transferred from another source.
Step 2: In the case of a fetus, maternal antibodies cross the placenta and provide immunity.
Step 3: Since this is naturally occurring (without medical intervention), it is called naturally acquired passive immunity.
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