Q. Sona, PB 18 and Kalyan were the High Yielding Variety Seeds used in HYVS programme for which among the following crops?
Answer: Wheat
Notes: Sona, PB 18, and Kalyan are high-yielding varieties of wheat. These varieties were introduced in India in 1963 and are disease-resistant. They are also known as Sonalika and Kalyan Sona.