UPSC Prelims 2025 · GS Paper 1 · Q49

Science & Technology

Medium · Microbiology / Virology

With reference to viruses, consider the following statements:

1. Certain viruses can survive and remain infectious in ocean water for extended periods.

2. Bacteriophages are viruses capable of infecting bacteria.

3. Viruses can hijack a host cell's own transcription machinery to replicate themselves.

Which of the statements given above are correct?