Mark the correct statement from the following.

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Injecting microbes during immunisation induces passive immunity.

Innate immunity is responsible for graft rejection.

Colostrum during initial days of lactation provides active immunity to the infant.

Anti-D injection given to a Rh-ve woman to prevent HDNB provides her passive immunisation.

answer is D.

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Detailed Solution

Passive immunity is the administration of antibodies from an immunised individual to a non-immunised individual to provide temporary protection against microbes or toxins. Anti-D injection given to a Rh-ve woman to prevent HDNB provides her passive immunisation. Injection of antivenin to victims of snake bite is also an example of passive immunisation.

Injecting microbes during immunisation induces active immunity.

Cell-mediated immunity is responsible for graft rejection.

Antibodies (esp. IgA) in the colostrum during initial days of lactation provides passive immunity to infant.

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