The correct option is A A - 2, B - 3, C - 4, D - 1
IR-8 is a high-yielding semi-dwarf variety of rice developed by the International Rice Research Institute (IRRI), Philippines, in the early 1960s.
India developed its own high-yielding, semi-dwarf varieties like Jaya and Ratna from IR-8.
Taichung Native - 1 (TN1) is a variety of rice developed in Taiwan.
Kalyan Sona and Sonalika are the high yielding, disease-resistant, semi-dwarf varieties of wheat developed in Mexico using plant breeding technology.