UPSC Previous Year Question | Prelims GS | 2025

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. I and II only
  2. II and III only
  3. I and III only
  4. I, II and III

Answer

Correct Answer

I, II and III

Explanation

Monoclonal antibodies are laboratory-engineered (man-made) proteins designed to bind specifically to target antigens, thereby triggering or supporting immune responses, and they have been used/explored as treatments for viral infections including Nipah virus. All three statements are correct.

Topics: biotechnology, monoclonal antibodies, science and technology