Question

 Fill in the blanks with appropriate words/phrases from the options. The association of 226 viruses responsible for zoonotic diseases ______________ by the researchers and more than 800 mammal species _____________ by them.

A had surveyed, had been distinguished
B had been surveyed, had been distinguished
C had been surveyed, had distinguished
D has being surveyed, has being distinguished
E None of these
Practice Next

Hey! Ask a query

🎓
Think You're Ready for RBI Grade B?
RBI Grade B 2026 Phase 1 Memory Based Paper
  • 200 Questions with Detailed Solutions
  • Section-wise Coverage (GA, English, Quant & Reasoning)