With reference to monoclonal antibodies, often mentioned in news, consider the following statements:

Question

With reference to monoclonal antibodies, often mentioned in news, consider the following statements:

I. They are man-made proteins.

II. They stimulate immunological function due to their ability to bind to specific antigens.

III. They are used in treating viral infections like that of Nipah virus.

Which of the statements given above are correct?

1. A. I and II only
2. B. II and III only
3. C. I and III only
4. D. I, II and III (Correct answer)

Correct Answer

Option D — I, II and III

Detailed Solution & Explanation

The correct answer is I, II and III.

Key Points

• Monoclonal antibodies (mAbs) are laboratory-engineered proteins (man-made) — Statement I correct.
• They bind to specific antigens and can stimulate or modulate immune responses — Statement II correct. mAbs have been used in treating viral infections including experimental use against Nipah virus (e.g., m102.4 antibody) — Statement III correct. All three are correct.