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Question

Select the list of semi-dwarf rice HYVs, developed outside India and in India.


A
IR-8, TN-1, Jaya and Ratna
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B
IR-8, TN-1, Kalyan Sona and Ratna
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C
IR-8, TN-1, Sonalika and Jaya
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D
IR-8, TN-1, Kalyan Sona, Jaya and Ratna
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Solution

The correct option is A IR-8, TN-1, Jaya and Ratna

During the 1970s to 1980s, HYV seeds of many varieties were introduced in India. High yielding rice cultivar called IR-8, a semi-dwarf rice variety developed by the International Rice Research Institute (IRRI) in the Philippines, TN-1 from Taiwan were adopted. Thus, during this period rice production went up from 35 million tonnes to 89.5 million tonnes. Later, we developed better-yielding semi-dwarf varieties of rice called Jaya and Ratna.


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