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Living World — BIO BOTANY STD 11 — Question

Tamilnadu BoardEnglish MediumSTD 11BIO BOTANYLiving World1 Mark
MCQ
Viroids were discovered by …………… .
  • A
    Ivanowsky
  • B
    Robert Gallo
  • ✓
    Diener
  • D
    d’Herelle
✓

Answer

Correct option: C.
Diener
Diener

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