UPSC Prelims · 1983 · GS Paper I · Q75

Which one is a high yielding variety of rice ?

  1. (A)1R-8
  2. (B)1R-21
  3. (C)K-64
  4. (D)M-986

The answer key for this question is not in the bank yet.

Subject
History

Search all Prelims history questions (1979–2026) →