HORTICULTURE

Detailed explanation-1: -Sonalika and Kalyan Sona are the high-yielding and disease-resistant varieties of wheat which were introduced all over the wheat-growing belt of India in 1963. Sonalika and Kalyan Sona are the semi-dwarf varieties of wheat, popularly known as Mexican wheat, produced by Dr. Borlaug in Mexico in 1963.

Detailed explanation-2: -Solution: (B) ‘Sonalika’ and ‘Kalyan Sona’ are high yielding disease resistant variety of wheat.

Detailed explanation-3: -Sonalika and kalyan sona are considered as varieties of wheat crop because sonalika is single dwarf whereas kalyan sona is double dwarf. They both give us high yield variety.

Detailed explanation-4: -Though there are various types of high yielding seeds found in India, Sonalika, and Kalyan Sona are the two examples of wheat varieties introduced in India which are high yielding and disease resistant.

Detailed explanation-5: -Correct Answer is: (B) Wheat Sonalika and Kalyan sona are varieties of wheat selected from the semi dwarf varieties, introduced in India, which are high yielding and disease resistant.