Q. Consider the following statements regarding Antibodies:
1.Immunoglobulins are proteins produced in response to antigens and are classified into five major types.
2.Immunoglobulin G (IgG) is the only antibody that crosses the placental barrier to provide ready-made protection to the unborn child.
Which of the statements given above is/are correct?

[A] 1 only

[B] 2 only

[C] Both 1 and 2

[D] Neither 1 nor 2

Answer: C
Notes:

Explanation:

  • Statement 1 is correct: These five types provide diverse protection against pathogens.
  • Statement 2 is correct: Immunoglobulin G (IgG) is the only antibody that crosses the placenta in large amounts.
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