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Evaluation · Q12

Q.Jaya and Ratna are the semi dwarf varieties of

(a) wheat
(b) rice
(c) cowpea
(d) mustard
Tamil Nadu DgeTextbookSubjectiveImportance★★★★★
24% · 12/51 Questions
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Step 1. The chapter's Green Revolution section states that after M. S. Swaminathan produced India's first semi-dwarf rice hybrid, TN1 (Taichung Native-1), better-yielding semi-dwarf rice varieties named Jaya and Ratna were later developed in India.

Step 2. The semi-dwarf wheat varieties discussed in the same section are named Sonora 64, Sonalika and Kalyansona — not Jaya or Ratna. …

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