Passive immunity can be obtained by injecting

  • A
    Antigens
  • B
    Antibodies
  • C
    Antibiotics
  • D
    Vaccination having weakened germs

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Similar Questions

The 'first line of defence' is known as:

Identify the correct group of primary lymphoid organs.

Which of the following is mismatched?

The letter $T$ in $T$-lymphocyte refers to:

Where is the antigen-binding site present on the antibody molecule?

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